- Abelia.
| . Abelia |
- Abeliophyllum
| white forsythia.Abeliophyllum |
- Abelmoschus esculentus.
| - Okra. Abelmoschus ficulneus
Abelmoschus manihot - Aibika |
- Abies.
| fir. Abies |
- Abromeitiella.
| [Now Deuterocohnia] . Abromeitiella |
- Abronia.
| sand verbena. Abronia |
- Abutilon.
| Trailing Abutilon. Abutilon |
- Acacia.
| wattle. Acacia |
- Acaena.
| . Acaena |
- Acalypha.
| . Acalypha |
- Acantholimon.
| . Acantholimon |
- Acanthophoenix.
| . Acanthophoenix |
- Acanthus.
| . Acanthus |
- Acca.
| . Acca |
- Acer.
| maple. Acer |
- Achillea.
| yarrow. Achillea |
- Achimenantha.
| hybrid genus. Achimenantha |
- Achimenes.
| . Achimenes |
-
Acinos Arvensis.
| Alpine Calamint. Acinos Alpinus |
- Aciphylla.
| . Aciphylla |
- Acmena.
| . Acmena |
- Acoelorraphe.
| saw palm. Acoelorraphe |
- Acokanthera.
| . Acokanthera |
- Aconitum.
| aconite, monkshood. Aconitum |
- Acorus.
| . Acorus |
- Acrocomia.
| . Acrocomia |
- Actaea.
| baneberry. Actaea |
- Actinidia.
| kiwifruit. Actinidia |
- Ada.
| . Ada |
- Adansonia.
| . Adansonia |
- Adenia.
| . Adenia |
- Adenium.
| . Adenium |
- Adenocarpus.
| . Adenocarpus |
- Adenophora.
| . Adenophora |
- Adenostoma.
| . Adenostoma |
- Adiantum.
| maidenhair fern. Adiantum |
- Adlumia.
| . Adlumia |
- Adonis.
| . Adonis |
- Adromischus.
| . Adromischus |
- Aechmea.
| . Aechmea |
- Aegopodium.
| . Aegopodium |
- Aeonium.
| . Aeonium |
- Aerangis.
| an orchid genus. Aerangis |
- Aerides.
| an orchid genus. Aerides |
- Aeschynanthus.
| . Aeschynanthus |
- Aethionema.
| . Aethionema |
- Agapanthus.
| . Agapanthus |
- Agapetes.
| . Agapetes |
- Agastache.
| . Agastache |
- Agathis.
| . Agathis |
- Agave.
| . Agave |
- Ageratum.
| . Ageratum |
- Aglaonema.
| . Aglaonema |
- Agonis.
| . Agonis |
- Agrostemma.
| corn cockle. Agrostemma |
- Agrostis.
| . Agrostis |
- Aichryson.
| . Aichryson |
- Ailanthus.
| Tree of Heaven, etc. Ailanthus |
- Aiphanes.
| . Aiphanes |
- Aira.
| hair grass. Aira |
- Ajania.
| . Ajania |
- Ajuga.
| bugleweed. Ajuga |
- Akebia.
| . Akebia |
- Alangium.
| . Alangium |
- Albizia.
| silk tree. Albizia |
- Albuca.
| . Albuca |
- Alcea.
| hollyhock. Alcea |
- Alchemilla.
| . Alchemilla |
- Aleurites.
| . Aleurites |
- Aliceara.
| hybrid genus. Aliceara |
- Alisma.
| water plantain. Alisma |
- Alkanna.
| . Alkanna |
- Allamanda.
| . Allamanda |
- Allium.
| onion. Allium |
- Alluaudia.
| . Alluaudia |
- Alnus.
| alder. Alnus |
- Alocasia.
| . Alocasia |
- Aloe.
| . Aloe |
- Aloinopsis.
| . Aloinopsis |
- Alopecurus.
| foxtail grass. Alopecurus |
- Aloysia.
| . Aloysia |
- Alpinia.
| ginger lily. Alpinia |
- Alsobia.
| . Alsobia |
- Alstroemeria.
| . Alstroemeria |
- Alternanthera.
| . Alternanthera |
- Althaea.
| . Althaea |
- Alyogyne.
| . Alyogyne |
- Alyssum.
| . Alyssum |
- Amaranthus.
| . Amaranthus |
- Amarcrinum.
| hybrid genus. Amarcrinum |
- Amarygia.
| hybrid genus. Amarygia |
- Amaryllis.
| . Amaryllis |
- Amberboa.
| . Amberboa |
- Amelanchier.
| . Amelanchier |
- Amesiella.
| . Amesiella |
- Amherstia.
| . Amherstia |
- Amicia.
| . Amicia |
- Ammi.
| . Ammi |
- Ammobium.
| . Ammobium |
- Amorpha.
| . Amorpha |
- Amorphophallus.
| . Amorphophallus |
- Ampelopsis.
| . Ampelopsis |
- Amsonia.
| . Amsonia |
- Anacampseros.
| . Anacampseros |
- Anacyclus.
| . Anacyclus |
- Anagallis.
| pimpernel. Anagallis |
- Ananas.
| pineapple. Ananas |
- Anaphalis.
| . Anaphalis |
- Anchusa.
| . Anchusa |
- Andromeda.
| . Andromeda |
- Andropogon.
| . Andropogon |
- Androsace.
| . Androsace |
- Anemone.
| windflower. Anemone |
- Anemonella.
| . Anemonella |
- Anemonopsis.
| . Anemonopsis |
- Anemopaegma.
| . Anemopaegma |
- Anethum.
| dill. Anethum |
- Angelica.
| . Angelica |
- Angelonia.
| . Angelonia |
- Angophora.
| . Angophora |
- Angraecum.
| an orchid genus. Angraecum |
- Anguloa.
| an orchid genus. Anguloa |
- Angulocaste.
| hybrid genus. Angulocaste |
- Anigozanthos.
| . Anigozanthos |
- Anicacanthus.
| . Anicacanthus |
- Anisodontea.
| . Anisodontea |
- Anoda.
| . Anoda |
- Anomatheca.
| . Anomatheca |
- Anopterus.
| . Anopterus |
- Anredera.
| . Anredera |
- Antennaria.
| . Antennaria |
- Anthemis.
| . Anthemis |
- Anthericum.
| . Anthericum |
- Anthriscus.
| . Anthriscus |
- Anthurium.
| . Anthurium |
- Anthyllis.
| . Anthyllis |
- Antigonon.
| . Antigonon |
- Antirrhinum.
| snapdragon. Antirrhinum |
- Aphelandra.
| . Aphelandra |
- Aphyllanthes.
| . Aphyllanthes |
- Aponogeton.
| . Aponogeton |
- Aporocactus.
| . Aporocactus |
- Aporoheliocereus.
| hybrid genus. Aporoheliocereus |
- Aptenia.
| . Aptenia |
- Aquilegia.
| columbine. Aquilegia |
- Arabis.
| rock cress. Arabis |
- Arachnis.
| scorpion orchid. Arachnis |
- Araeococcus.
| . Araeococcus |
- Aralia.
| . Aralia |
- Erigeron Canadense.
 | Horse Weed. Erigeron Canadense. |
- Araucaria.
| monkey-puzzle. Araucaria |
- Araujia.
| . Araujia |
- Arbutus.
| madrone. Arbutus |
- Archontophoenix.
| king palm. Archontophoenix |
- Arctostaphylos.
| bearberry, manzanita. Arctostaphylos |
- Arctotheca.
| . Arctotheca |
- Arctotis.
| African daisy. Arctotis |
- Ardisia.
| . Ardisia |
- Areca.
| . Areca |
- Arenaria.
| sandwort. Arenaria |
- Arenga.
| . Arenga |
- Argemone.
| prickly poppy. Argemone |
- Argyranthemum.
| . Argyranthemum |
- Argyreia.
| . Argyreia |
- Argyroderma.
| . Argyroderma |
- Ariocarpus.
| . Ariocarpus |
- Arisaema.
| . Arisaema |
- Arisarum.
| . Arisarum |
- Aristea.
| . Aristea |
- Aristolochia.
| . Aristolochia |
- Armoracia.
| . Armoracia |
- Arnebia.
| . Arnebia |
- Arnica.
| . Arnica |
- Aronia.
| chokeberry. Aronia |
- Arrabidaea.
| . Arrabidaea |
- Arrhenatherum.
| Oat Grass. Arrhenatherum |
- Artemisia.
| mugwort, sagebrush, wormwood. Artemisia |
- Arthropodium.
| . Arthropodium |
- Arum.
| . Arum |
- Aruncus.
| . Aruncus |
- Arundinaria.
| . Arundinaria |
- Arundo.
| . Arundo |
- Asarina.
| . Asarina |
- Asarum.
| wild ginger. Asarum |
- Asclepias.
| milkweed, silkweed. Asclepias |
- Ascocenda.
| hybrid orchid genus . Ascocenda |
- Asimina.
| . Asimina |
- Asparagus.
| . Asparagus |
- Asperula.
| woodruff. Asperula |
- Asphodeline.
| . Asphodeline |
- Asphodelus.
| asphodel. Asphodelus |
- Aspidistra.
| Aspidistra The Cast Iron Plant. Aspidistra |
- Asplenium.
| . Asplenium |
- Astelia.
| . Astelia |
- Aster.
| . Aster |
- Asteranthera.
| . Asteranthera |
- Astilbe.
| . Astilbe |
- Astilboides.
| . Astilboides |
- Astragalus.
| milk vetch. Astragalus |
- Astrantia.
| . Astrantia |
- Astrophytum.
| . Astrophytum |
- Atherosperma.
| . Atherosperma |
- Athrotaxis.
| . Athrotaxis |
- Athyrium.
| . Athyrium |
- Atriplex.
| . Atriplex |
- Aubrieta.
| . Aubrieta |
- Aucuba.
| . Aucuba |
- Aurinia.
| . Aurinia |
- Austrocedrus.
| . Austrocedrus |
- Azalea.
| . Azalea |
- Azara.
| . Azara |
- Azolla.
| Aquatic ferns. Azolla |
- Azorella.
| . Azorella |
- Azorina.
| . Azorina |
- Aztekium.
| . Aztekium |
-
| |
- Top
|
|
- Babiana.
| . Babiana. |
- Baccharis.
| . Baccharis |
- Backhousia.
| . Backhousia |
- Bacopa.
| water hyssop. Bacopa |
- Baeckea.
| . Baeckea |
- Ballota.
| . Ballota |
- Balsamorhiza.
| balsam root. Balsamorhiza |
- Bambusa.
| bamboo. Bambusa |
- Banksia.
| . Banksia |
- Baptisia.
| . Baptisia |
- Barbarea.
| Yellow rocket or winter cress. Barbarea |
- Barkeria.
| an orchid genus. Barkeria |
- Barleria.
| . Barleria |
- Bassia.
| . Bassia |
- Bauera.
| . Bauera |
- Bauhinia.
| . Bauhinia |
- Beaucarnea.
| . Beaucarnea |
- Beaufortia.
| . Beaufortia |
- Beaumontia.
| . Beaumontia |
- Begonia.
| . Begonia |
- Belancanda.
| . Belancanda |
- Bellevalia.
| . Bellevalia |
- Bellis.
| daisy. Bellis |
- Bellium.
| . Bellium |
- Berberidopsis.
| . Berberidopsis |
- Berberis.
| barberry. Berberis |
- Berchemia.
| . Berchemia |
- Bergenia.
| . Bergenia |
- Bergerocactus.
| . Bergerocactus |
- Berkheya.
| . Berkheya |
- Berlandiera.
| . Berlandiera |
- Bertolonia.
| . Bertolonia |
- Beschorneria.
| . Beschorneria |
- Bessera.
| . Bessera |
- Beta.
| beet. Beta |
- Betula.
| birch. Betula |
- Biarum.
| . Biarum |
- Bidens.
| . Bidens |
- Bignonia.
| . Bignonia |
- Billardiera.
| . Billardiera |
- Billbergia.
| . Billbergia |
- Bixa.
| . Bixa |
- Blandfordia.
| . Blandfordia |
- Blechnum.
| hard fern. Blechnum |
- Bletilla.
| an orchid genus. Bletilla |
- Bloomeria.
| . Bloomeria |
- Blossfeldia.
| . Blossfeldia |
- Boenninghausenia.
| . Boenninghausenia |
- Bolax.
| . Bolax |
- Bolbitis.
| . Bolbitis |
- Bollea.
| . Bollea |
- Boltonia.
| . Boltonia |
- Bolusanthus.
| . Bolusanthus |
- Bomarea.
| . Bomarea |
- Bombax.
| . Bombax |
- Bongardia.
| . Bongardia |
- Borago.
| . Borago |
- Borassus.
| . Borassus |
- Boronia.
| . Boronia |
- Bothriochloa.
| . Bothriochloa |
- Bougainvillea.
| . Bougainvillea |
- Bouteloua.
| . Bouteloua |
- Bouvardia.
| . Bouvardia |
- Bowenia.
| . Bowenia |
- Bowiea.
| . Bowiea |
- Brachychiton.
| . Brachychiton |
- Brachyglottis.
| . Brachyglottis |
- Brachyscome.
| . Brachyscome |
- Brachysema.
| . Brachysema |
- Brachystelma.
| . Brachystelma |
- Bracteantha.
| . Bracteantha |
- Brahea.
| Hesper palm. Brahea |
- Brassavola.
| an orchid genus. Brassavola |
- Brassia.
| an orchid genus. Brassia |
- Brassica.
| mustard, cabbage. Brassica |
- Brassocattleya.
| hybrid orchids. Brassocattleya |
- Brassolaeliocattleya.
| trigeneric hybrid orchids. Brassolaeliocattleya |
- Breynia.
| . Breynia |
- Briggsia.
| . Briggsia |
- Brimeura.
| . Brimeura |
- Briza.
| quaking grass. Briza |
- Brodiaea.
| . Brodiaea |
- Bromelia.
| . Bromelia |
- Broughtonia.
| . Broughtonia |
- Broussonetia.
| . Broussonetia |
- Browallia.
| . Browallia |
- Brownea.
| . Brownea |
- Browningia.
| . Browningia |
- Bruckenthalia.
| . Bruckenthalia |
- Brugmansia.
| . Brugmansia |
- Brunfelsia.
| . Brunfelsia |
- Brunnera.
| . Brunnera |
- Brunsvigia.
| . Brunsvigia |
- Buddleja.
| . Buddleja |
- Buglossoides.
| . Buglossoides |
- Bulbine.
| . Bulbine |
- Bulbinella.
| . Bulbinella |
- Bulbocodium.
| . Bulbocodium |
- Bulbophyllum.
| an orchid genus. Bulbophyllum |
- Buphthalmum.
| . Buphthalmum |
- Bupleurum.
| . Bupleurum |
- Burchardia.
| . Burchardia |
- Burchellia.
| . Burchellia |
- Bursera.
| . Bursera |
- Butea.
| . Butea |
- Butia.
| . Butia |
- Butomus.
| . Butomus |
- Buxus.
| boxwood. Buxus |
-
| |
- Top
|
|
- Cabomba.
| . Cabomba |
- Caesalpinia.
| . Caesalpinia |
- Caladium.
| . Caladium |
- Calamagrostis.
| reed grass, smallweed. Calamagrostis |
- Calamintha.
| calamint. Calamintha |
- Calamus.
| . Calamus |
- Calandrinia.
| . Calandrinia |
- Calanthe.
| . Calanthe |
- Calathea.
| . Calathea |
- Calceolaria.
| slipperwort. Calceolaria |
- Calendula.
| marigold. Calendula |
- Calibanus.
| . Calibanus |
- Calla.
| . Calla |
- Calliandra.
| . Calliandra |
- Callianthemum.
| . Callianthemum |
- Callicarpa.
| beautyberry. Callicarpa |
- Callirhoe.
| poppy mallow. Callirhoe |
- Callisia.
| . Callisia |
- Callistemon.
| bottlebrush. Callistemon |
- Callistephus.
| Chinese aster. Callistephus |
- Callitriche.
| water starwort. Callitriche |
- Calltris.
| . Calltris |
- Calluna.
| heather. Calluna |
- Calocedrus.
| incense-cedar. Calocedrus |
- Calochone.
| . Calochone |
- Calochortus.
| . Calochortus |
- Calomeria.
| . Calomeria |
- Caloscordum.
| . Caloscordum |
- Calothamnus.
| . Calothamnus |
- Calpurnia.
| . Calpurnia |
- Caltha.
| kingcup, marsh marigold. Caltha |
- Calycanthus.
| . Calycanthus |
- Calymmanthium.
| . Calymmanthium |
- Calypso.
| an orchid genus. Calypso |
- Calytrix.
| starflower. Calytrix |
- Camassia.
| quamash. Camassia |
- Camellia.
| . Camellia |
- Campanula.
| bellflower. Campanula |
- Campsis.
| trumpet vine. Campsis |
- Campylotropsis.
| . Campylotropsis |
- Canarina.
| . Canarina |
- Canistrum.
| . Canistrum |
- Canna.
| . Canna |
- Cantua.
| . Cantua |
- Capsicum.
| pepper. Capsicum |
- Caragana.
| peashrub. Caragana |
- Caralluma.
| . Caralluma |
- Cardamine.
| bittercress. Cardamine |
- Cardiocrinum.
| . Cardiocrinum |
- Cardiospermum.
| . Cardiospermum |
- Carex.
| sedge. Carex |
- Carissa.
| . Carissa |
- Carlina.
| . Carlina |
- Carludovica.
| . Carludovica |
- Carmichaelia.
| . Carmichaelia |
- Carnegiea.
| saguaro. Carnegiea |
- Carpentaria.
| . Carpentaria |
- Carpenteria.
| . Carpenteria |
- Carpinus.
| hornbeam. Carpinus |
- Carpobrotus.
| . Carpobrotus |
- Carthamus.
| safflower. Carthamus |
- Carum.
| caraway. Carum |
- Carya.
| hickory, pecan. Carya |
- Caryopteris.
| . Caryopteris |
- Caryota.
| fishtail palm. Caryota |
- Cassia.
| . Cassia |
- Cassinia.
| . Cassinia |
- Cassiope.
| . Cassiope |
- Castanea.
| chestnut. Castanea |
- Castanopsis.
| . Castanopsis |
- Castanospermum.
| . Castanospermum |
- Casuarina.
| . Casuarina |
- Catalpa.
| . Catalpa |
- Catananche.
| . Catananche |
- Catasetum.
| an orchid genus. Catasetum |
- Catharanthus.
| Madagascar Periwinkle. Catharanthus |
- Catopsis.
| . Catopsis |
- Cattleya.
| an orchid genus. Cattleya |
- Caulophyllum.
| . Caulophyllum |
- Cautleya.
| . Cautleya |
- Cavendishia.
| . Cavendishia |
- Ceanothus.
| California-lilac. Ceanothus |
- Cedronella.
| . Cedronella |
- Cedrus.
| cedar. Cedrus |
- Ceiba.
| Kapok. Ceiba |
- Celastrus.
| staff-vine. Celastrus |
- Celmisia.
| New Zealand daisy. Celmisia |
- Celosia.
| cockscomb. Celosia |
- Celtis.
| hackberry. Celtis |
- Centaurea.
| . Centaurea |
- Centaurium.
| . Centaurium |
- Centradenia.
| . Centradenia |
- Centranthus.
| valerian. Centranthus |
- Cephalaria.
| . Cephalaria |
- Cephalocereus.
| . Cephalocereus |
- Cephalophyllum.
| . Cephalophyllum |
- Cephalotaxus.
| plum-yew. Cephalotaxus |
- Ceraria.
| . Ceraria |
- Cerastium.
| . Cerastium |
- Ceratopetalum.
| . Ceratopetalum |
- Ceratophyllum.
| . Ceratophyllum |
- Ceratopteris.
| . Ceratopteris |
- Ceratostigma.
| . Ceratostigma |
- Ceratozamia.
| . Ceratozamia |
- Cercidiphyllum.
| . Cercidiphyllum |
- Cercis.
| . Cercis |
- Cercocarpus.
| . Cercocarpus |
- Cereus.
| . Cereus |
- Ceropegia.
| . Ceropegia |
- Cestrum.
| . Cestrum |
- Chaenomeles.
| flowering quince. Chaenomeles |
- Chaenorhinum.
| dwarf snapdragon. Chaenorhinum |
- Chaerophyllum.
| . Chaerophyllum |
- Chamaecyparis.
| cypress. Chamaecyparis |
- Chamaecytisus.
| . Chamaecytisus |
- Chamaedaphne.
| . Chamaedaphne |
- Chamaedorea.
| . Chamaedorea |
- Chamaelirium.
| . Chamaelirium |
- Chamaemelum.
| chamomile. Chamaemelum |
- Chamaerops.
| . Chamaerops |
- Chamelaucium.
| . Chamelaucium |
- Chasmanthe.
| . Chasmanthe |
- Chasmanthium.
| . Chasmanthium |
- Cheilanthes.
| . Cheilanthes |
- Cheiridopsis.
| . Cheiridopsis |
- Chelidonium.
| . Chelidonium |
- Chelone.
| turtlehead. Chelone |
- Chiastophyllum.
| . Chiastophyllum |
- Chiliotrichum.
| . Chiliotrichum |
- Chilopsis.
| desert willow. Chilopsis |
- Chimaphila.
| . Chimaphila |
- Chimonanthus.
| wintersweet. Chimonanthus |
- Chimonobambusa.
| . Chimonobambusa |
- Chionanthus.
| fringe tree. Chionanthus |
- Chionochloa.
| . Chionochloa |
- Chionodoxa.
| glory of the snow. Chionodoxa |
- Chionoscilla.
| hybrid genus. Chionoscilla |
- Chirita.
| . Chirita |
- Chlidanthus.
| . Chlidanthus |
- Choisya.
| . Choisya |
- Chorisia.
| . Chorisia |
- Chorizema.
| . Chorizema |
- Chrysalidocarpus.
| . Chrysalidocarpus |
- Chrysanthemum.
| . Chrysanthemum |
- Chrysogonum.
| . Chrysogonum |
- Chrysolepis.
| . Chrysolepis |
- Chrysosplenium.
| . Chrysosplenium |
- Chrysothemis.
| . Chrysothemis |
- Chusquea.
| . Chusquea |
- Cibotium.
| . Cibotium |
- Cicerbita.
| . Cicerbita |
- Cichorium.
| chicory, endive. Cichorium |
- Cimicifuga.
| bugbane. Cimicifuga |
- Cinnamomum.
| . Cinnamomum |
- Cionura.
| . Cionura |
- Cirsium.
| . Cirsium |
- Cissus.
| . Cissus |
- Cistus.
| rockrose, sun rose. Cistus |
- Citrofortunella.
| hybrid genus. Citrofortunella |
- Citrus.
| lime, lemon. Citrus |
- Cladanthus.
| . Cladanthus |
- Cladrastis.
| . Cladrastis |
- Clarkia.
| . Clarkia |
- Claytonia.
| . Claytonia |
- Cleistocactus.
| . Cleistocactus |
- Clematis.
| . Clematis |
- Cleome.
| spider flower. Cleome |
- Clerodendrum.
| . Clerodendrum |
- Clethra.
| summersweet. Clethra |
- Cleyera.
| . Cleyera |
- Clianthus.
| . Clianthus |
- Clintonia.
| . Clintonia |
- Clitoria.
| . Clitoria |
- Clivia.
| . Clivia |
- Clusia.
| . Clusia |
- Clytostoma.
| . Clytostoma |
- Cobaea.
| . Cobaea |
- Coccoloba.
| sea grape. Coccoloba |
- Coccothrinax.
| thatch palm. Coccothrinax |
- Cocculus.
| . Cocculus |
- Cochlioda.
| . Cochlioda |
- Cocos.
| coconut. Cocos |
- Codiaeum.
| croton. Codiaeum |
- Codonanthe.
| . Codonanthe |
- Codonopsis.
| . Codonopsis |
- Coelia.
| . Coelia |
- Coelogyne.
| an orchid genus. Coelogyne |
- Coix.
| . Coix |
- Colchicum.
| autumn crocus, meadow saffron. Colchicum |
- Coleonema.
| . Coleonema |
- Colletia.
| . Colletia |
- Collinsia.
| . Collinsia |
- Collomia.
| . Collomia |
- Colocasia.
| taro. Colocasia |
- Colquhounia.
| . Colquhounia |
- Columnea.
| . Columnea |
- Colutea.
| bladder senna. Colutea |
- Coluteocarpus.
| . Coluteocarpus |
- Colvillea.
| . Colvillea |
- Combretum.
| . Combretum |
- Commelina.
| day flower, spiderwort. Commelina |
- Comptonia.
| . Comptonia |
- Conandron.
| . Conandron |
- Congea.
| . Congea |
- Conicosia.
| . Conicosia |
- Coniogramme.
| . Coniogramme |
- Conophytum.
| . Conophytum |
- Consolida.
| larkspur. Consolida |
- Convallaria.
| lily-of-the-valley. Convallaria |
- Convolvulus.
| bindweed, morning glory. Convolvulus |
- Copernicia.
| wax palm. Copernicia |
- Copiapoa.
| . Copiapoa |
- Coprosma.
| . Coprosma |
- Coptis.
| goldthread. Coptis |
- Cordia.
| . Cordia |
- Cordyline.
| . Cordyline |
- Coreopsis.
| tickseed. Coreopsis |
- Coriandrum.
| coriander cilantro. Coriandrum |
- Coriaria.
| . Coriaria |
- Cornus.
| dogwood. Cornus |
- Corokia.
| . Corokia |
- Coronilla.
| . Coronilla |
- Correa.
| . Correa |
- Corryocactus.
| . Corryocactus |
- Cortaderia.
| pampas grass, tussock grass. Cortaderia |
- Cortusa.
| . Cortusa |
- Corydalis.
| . Corydalis |
- Corylopsis.
| winter-hazel. Corylopsis |
- Corylus.
| hazel, filbert. Corylus |
- Corynocarpus.
| . Corynocarpus |
- Corypha.
| . Corypha |
- Coryphantha.
| . Coryphantha |
- Cosmos.
| . Cosmos |
- Costus.
| . Costus |
- Cotinus.
| smoke tree. Cotinus |
- Cotoneaster.
| . Cotoneaster |
- Cotula.
| . Cotula |
- Cotyledon.
| . Cotyledon |
- Crambe.
| . Crambe |
- Craspedia.
| . Craspedia |
- Crassula.
| . Crassula |
- Crataegus.
| hawthorn. Crataegus |
- Crepis.
| . Crepis |
- Crinodendron.
| . Crinodendron |
- Crinum.
| . Crinum |
- Crocosmia.
| . Crocosmia |
- Crocus.
| . Crocus |
- Crossandra.
| . Crossandra |
- Crotalaria.
| rattlebox. Crotalaria |
- Crowea.
| . Crowea |
- Cryptanthus.
| . Cryptanthus |
- Cryptbergia.
| hybrid genus. Cryptbergia |
- Cryptocoryne.
| water trumpet. Cryptocoryne |
- Cryptomeria.
| Sugi. Cryptomeria |
- Ctenanthe.
| . Ctenanthe |
- Cunila.
| . Cunila |
- Cunninghamia.
| China-fir. Cunninghamia |
- Cunonia.
| . Cunonia |
- Cuphea.
| . Cuphea |
- Cupressus.
| cypress. Cupressus |
- Curcuma.
| . Curcuma |
- Cyananthus.
| . Cyananthus |
- Cyanotis.
| . Cyanotis |
- Cyathea.
| tree fern. Cyathea |
- Cyathodes.
| . Cyathodes |
- Cybistax.
| . Cybistax |
- Cycas.
| cycad, sago "palm". Cycas |
- Cyclamen.
| . Cyclamen |
- Cycnoches
| . Cycnoches |
- Pink Cyclamen
| . Pink Cyclamen |
- Cydonia.
| quince. Cydonia |
- Cymbalaria.
| Ivy-leaved toadflax. Cymbalaria |
- Cymbidium.
| an orchid genus. Cymbidium |
- Cymbopogon.
| . Cymbopogon |
- Cynara.
| . Cynara |
- Cynoglossum.
| . Cynoglossum |
- Cypella.
| . Cypella |
- Cyperus.
| . Cyperus |
- Cyphomandra.
| tree tomato. Cyphomandra |
- Cyphostemma.
| . Cyphostemma |
- Cypripedium.
| an orchid genus. Cypripedium |
- Cyrilla.
| . Cyrilla |
- Cyrtanthus.
| . Cyrtanthus |
- Cyrtomium.
| . Cyrtomium |
- Cyrtostachys.
| . Cyrtostachys |
- Cystopteris.
| bladder fern. Cystopteris |
- Cytisus.
| broom. Cytisus |
-
| |
- Top
|
|
- Daboecia.
| . Daboecia |
- Dacrydium.
| . Dacrydium |
- Dactylis.
| . Dactylis |
- Dactylorhiza.
| marsh orchid. Dactylorhiza |
- Dahlia.
| . Dahlia |
- Dais.
| . Dais |
- Dalea.
| indigo bush. Dalea |
- Damasonium.
| . Damasonium |
- Dampiera.
| . Dampiera |
- Danae.
| . Danae |
- Daphne.
| . Daphne |
- Daphniphyllum.
| . Daphniphyllum |
- Darmera.
| . Darmera |
- Darwinia.
| scent myrtle. Darwinia |
- Dasylirion.
| . Dasylirion |
- Davallia.
| . Davallia |
- Davidia.
| . Davidia |
- Decaisnea.
| . Decaisnea |
- Decarya.
| . Decarya |
- Decumaria.
| . Decumaria |
- Deinanthe.
| . Deinanthe |
- Delonix.
| . Delonix |
- Delosperma.
| . Delosperma |
- Delphinium.
| . Delphinium |
- Dendranthema.
| . Dendranthema |
- Dendrobium.
| an orchid genus. Dendrobium |
- Dendrocalamus.
| . Dendrocalamus |
- Dendrochilum.
| . Dendrochilum |
- Dendromecon.
| tree poppy. Dendromecon |
- Denmoza.
| . Denmoza |
- Dennstaedtia.
| . Dennstaedtia |
- Deschampsia.
| hair grass. Deschampsia |
- Desfontainia.
| . Desfontainia |
- Desmodium.
| . Desmodium |
- Deutzia.
| . Deutzia |
- Dianella.
| flax lily. Dianella |
- Dianthus.
| carnation, pink. Dianthus |
- Diascia.
| . Diascia |
- Dicentra.
| bleeding heart. Dicentra |
- Dichelostemma.
| . Dichelostemma |
- Dichondra.
| . Dichondra |
- Dichorisandra.
| . Dichorisandra |
- Dicksonia.
| . Dicksonia |
- Dicliptera.
| . Dicliptera |
- Dictamnus.
| . Dictamnus |
- Dictyosperma.
| princess palm. Dictyosperma |
- Didymochlaena.
| . Didymochlaena |
- Dieffenbachia.
| . Dieffenbachia |
- Dierama.
| . Dierama |
- Diervilla.
| bush honeysuckle. Diervilla |
- Dietes.
| . Dietes |
- Digitalis.
| foxglove. Digitalis |
- Dillenia.
| . Dillenia |
- Dillwynia.
| . Dillwynia |
- Dimorphotheca.
| African daisy. Dimorphotheca |
- Dionaea.
| Venus flytrap. Dionaea |
- Dionysia.
| . Dionysia |
- Dioon.
| . Dioon |
- Dioscorea.
| yam. Dioscorea |
- Diospyros.
| . Diospyros |
- Dipcadi.
| . Dipcadi |
- Dipelta.
| . Dipelta |
- Diphylleia.
| . Diphylleia |
- Diplarrhena.
| . Diplarrhena |
- Diplazium.
| . Diplazium |
- Diplocyclos.
| . Diplocyclos |
- Dipsacus.
| teasel. Dipsacus |
- Dipteronia.
| . Dipteronia |
- Dirca.
| . Dirca |
- Disa.
| an orchid genus. Disa |
- Disanthus.
| . Disanthus |
- Discaria.
| . Discaria |
- .
| |
- Dischidia pectinoides.
| Ant plant. Dischidia pectinoides |
- Discocactus.
| . Discocactus |
- Disocactus.
| . Disocactus |
- Disporopsis.
| . Disporopsis |
- Disporum.
| fairy bells. Disporum |
- Distictis.
| . Distictis |
- Distylium.
| . Distylium |
- Docynia.
| . Docynia |
- Dodecatheon.
| shooting stars. Dodecatheon |
- Dodonaea.
| . Dodonaea |
- Dombeya.
| . Dombeya |
- Doodia.
| . Doodia |
- Doronicum.
| . Doronicum |
- Dorotheanthus.
| ice plant. Dorotheanthus |
- Dorstenia.
| . Dorstenia |
- Doryanthes.
| spear lily. Doryanthes |
- Doryopteris.
| . Doryopteris |
- Draba.
| . Draba |
- Dracaena.
| . Dracaena |
- Dracocephalum.
| . Dracocephalum |
- Dracula.
| an orchid genus. Dracula |
- Dracununculus.
| . Dracununculus |
- Dregea.
| . Dregea |
- Drimys.
| . Drimys |
- Drosanthemum.
| . Drosanthemum |
- Drosera.
| sundew. Drosera |
- Dryandra.
| . Dryandra |
- Dryas.
| . Dryas |
- Drynaria.
| . Drynaria |
- Dryopteris.
| buckler fern. Dryopteris |
- Duchesnea.
| . Duchesnea |
- Dudleya.
| . Dudleya |
- Duranta.
| . Duranta |
- Duvalia.
| . Duvalia |
- Dyckia.
| . Dyckia |
-
| |
- Top
|
|
- Ebracteola.
| . Ebracteola |
- Ecballium.
| . Ecballium |
- Eccremocarpus.
| . Eccremocarpus |
- Echeveria.
| . Echeveria |
- Echidnopsis.
| . Echidnopsis |
- Echinacea.
| coneflower. Echinacea |
- Echinocactus.
| . Echinocactus |
- Echinocereus.
| . Echinocereus |
- Echinops.
| globe thistle. Echinops |
- Echinopsis.
| . Echinopsis |
- Echium.
| Viper's Bugloss. Echium |
- Edgeworthia.
| . Edgeworthia |
- Edithcolea.
| . Edithcolea |
- Edraianthus.
| . Edraianthus |
- Egeria.
| . Egeria |
- Ehretia.
| . Ehretia |
- Eichhornia.
| water hyacinth. Eichhornia |
- Elaeagnus.
| . Elaeagnus |
- Elaeis.
| oil palm. Elaeis |
- Elaeocarpus.
| . Elaeocarpus |
- Elatostema.
| . Elatostema |
- Eleocharis.
| spike rush. Eleocharis |
- Elettaria.
| . Elettaria |
- Eleutherococcus.
| . Eleutherococcus |
- Elodea.
| pondweed. Elodea |
- Elsholtzia.
| . Elsholtzia |
- Elymus.
| wild rye. Elymus |
- Embothrium.
| . Embothrium |
- Emilia.
| tassel flower. Emilia |
- Emmenopterys.
| . Emmenopterys |
- Encelia.
| . Encelia |
- Encephalartos.
| Kaffir bread. Encephalartos |
- Encyclia.
| an orchid genus. Encyclia |
- Enkianthus.
| . Enkianthus |
- Ensete.
| . Ensete |
- Eomecon.
| snow poppy. Eomecon |
- Epacris.
| . Epacris |
- Ephedra.
| ephedra. Ephedra |
- Epidendrum.
| an orchid genus. Epidendrum |
- Epigaea.
| . Epigaea |
- Epilobium.
| . Epilobium |
- Epimedium.
| barrenwort. Epimedium |
- Epipactis.
| helleborine, an orchid genus. Epipactis |
- Epiphyllum.
| orchid cactus. Epiphyllum |
- Episcia.
| flame violet. Episcia |
- Epithelantha.
| . Epithelantha |
- Equisetum
| . horse tail. Equisetum |
- Eragrostis.
| love grass. Eragrostis |
- Eranthemum.
| . Eranthemum |
- Eranthis.
| winter aconite. Eranthis |
- Ercilla.
| . Ercilla |
- Eremophila.
| Emu Bush. Eremophila |
- Eremurus.
| . Eremurus |
- Erica.
| heath/heather. Erica |
- Erigeron.
| fleabane. Erigeron |
- Erinacea.
| . Erinacea |
- Erinus.
| . Erinus |
- Eriobotrya.
| . Eriobotrya |
- Eriogonum.
| . Eriogonum |
- Eriophorum.
| cotton grass. Eriophorum |
- Eriophyllum.
| . Eriophyllum |
- Eriostemon.
| waxflower. Eriostemon |
- Eritrichium.
| . Eritrichium |
- Erodium.
| . Erodium |
- Eryngium.
| eryngo, sea holly. Eryngium |
- Erysimum.
| wallflower. Erysimum |
- Erythrina.
| coral tree. Erythrina |
- Erythronium.
| . Erythronium |
- Escallonia.
| . Escallonia |
- Eschscholzia.
| California poppy. Eschscholzia |
- Escobaria.
| . Escobaria |
- Espostoa.
| . Espostoa |
- Etlingera.
| . Etlingera |
- Eucalyptus.
| Gum tree, ironbark. Eucalyptus |
- Eucharis.
| . Eucharis |
- Eucomis.
| . Eucomis |
- Eucommia.
| . Eucommia |
- Eucryphia.
| . Eucryphia |
- Eulophia.
| an orchid genus. Eulophia |
- Euonymus.
| . Euonymus |
- Eupatorium.
| . Eupatorium |
- Euphorbia.
| spurge. Euphorbia |
- Euptelea.
| . Euptelea |
- Eurya.
| . Eurya |
- Euryale.
| . Euryale |
- Euryops.
| . Euryops |
- Eustoma.
| . Eustoma |
- Evolvulus.
| . Evolvulus |
- Exacum.
| . Exacum |
- Exochorda.
| . Exochorda |
-
| |
- Top
|
|
- Fabiana.
| . Fabiana |
- Fagus.
| beech. Fagus |
- Fallopia.
| . Fallopia |
- Farfugium.
| . Farfugium |
- Fargesia.
| . Fargesia |
- Fascicularia.
| . Fascicularia |
- Fatshederae.
| hybrid genus. Fatshederae |
- Fatsia.
| . Fatsia |
- Faucaria.
| . Faucaria |
- Felicia.
| blue daisy. Felicia |
- Fendlera.
| . Fendlera |
- Fenestraria.
| . Fenestraria |
- Ferocactus.
| . Ferocactus |
- Ferraria.
| . Ferraria |
- Ferula.
| giant fennel. Ferula |
- Festuca.
| fescue. Festuca |
- Fibigia.
| . Fibigia |
- Ficus.
| fig. Ficus |
- Ficus pumila.
| Climbing Ficus (Climbing fig). Ficus pumila |
- Filipendula.
| . Filipendula |
- Firmiana.
| . Firmiana |
- Fittonia.
| . Fittonia |
- Fitzroya.
| . Fitzroya |
- Fockea.
| . Fockea |
- Foeniculum.
| fennel. Foeniculum |
- Fontanesia.
| . Fontanesia |
- Forsythia.
| . Forsythia |
- Fortunella.
| kumquat. Fortunella |
- Fothergilla.
| . Fothergilla |
- Fouquieria.
| . Fouquieria |
- .
| |
- Fragaria x ananassa.Fragaria.
| strawberry. Fragaria x ananassa.Fragaria |
- Frailea.
| . Frailea |
- Francoa.
| . Francoa |
- Frangipani.
| . Frangipani |
- Franklinia.
| . Franklinia |
- Fraxinus.
| ash. Fraxinus |
- Freesia.
| . Freesia |
- Fremontodendron.
| . Fremontodendron |
- Fritillaria.
| fritillary. Fritillaria |
- Fuchsia.
| . Fuchsia |
- Furcraea.
| . Furcraea |
-
| |
- Top
|
|
- Gagea.
| . Gagea |
- Gaillardia.
| . Gaillardia |
- Galanthus.
| snowdrop. Galanthus |
- Galax.
| . Galax |
- Galega.
| . Galega |
- Galium.
| bedstraw. Galium |
- Galtonia.
| . Galtonia |
- Gardenia.
| . Gardenia |
- Garrya.
| . Garrya |
- Gasteria.
| . Gasteria |
- Gaultheria.
| . Gaultheria |
- Gaura.
| . Gaura |
- Gaylussacia.
| huckleberry. Gaylussacia |
- Gazania.
| . Gazania |
- Geissorhiza.
| . Geissorhiza |
- Gelsemium.
| . Gelsemium |
- Genista.
| . Genista |
- Gentiana.
| gentian. Gentiana |
- Gentianopsis.
| . Gentianopsis |
- Geranium.
| cranesbill, not same as Pelargonium. Geranium |
- Gerbera.
| . Gerbera |
- Gesneria.
| . Gesneria |
- Geum.
| avens. Geum |
- Gevuina.
| . Gevuina |
- Gibbaeum.
| . Gibbaeum |
- Gilia.
| . Gilia |
- Gillenia.
| . Gillenia |
- Ginkgo.
| . Ginkgo |
- Gladiolus.
| . Gladiolus |
- Glaucidium.
| . Glaucidium |
- Glaucium.
| . Glaucium |
- Gleditsia.
| honey locust. Gleditsia |
- Globba.
| . Globba |
- Globularia.
| globe daisy. Globularia |
- Gloriosa.
| . Gloriosa |
- Glottiphyllum.
| . Glottiphyllum |
- Gloxinia.
| . Gloxinia |
- Glyceria.
| . Glyceria |
- Glycyrrhiza.
| . Glycyrrhiza |
- Gomphocarpus.
| . Gomphocarpus |
- Gomphrena.
| . Gomphrena |
- Goniolimon.
| . Goniolimon |
- Goodyera.
| Jewel Orchid. Goodyera |
- Gordonia.
| . Gordonia |
- Graptopetalum.
| . Graptopetalum |
- Graptophyllum.
| . Graptophyllum |
- Graptoveria.
| hybrid genus. Graptoveria |
- Grevillea.
| . Grevillea |
- Grewia.
| . Grewia |
- Greyia.
| . Greyia |
- Grindelia.
| . Grindelia |
- Griselina.
| . Griselina |
- Gunnera.
| dinosaur food. Gunnera |
- Guzmania.
| . Guzmania |
- Gymnocalycium.
| . Gymnocalycium |
- Gymnocarpium.
| . Gymnocarpium |
- Gymnocladus.
| . Gymnocladus |
- Gynandriris.
| . Gynandriris |
- Gynura.
| . Gynura |
- Gypsophila.
| . Gypsophila |
-
| |
- Top
|
|
- Haageocereus.
| . Haageocereus |
- Haastia.
| . Haastia |
- Habenaria.
| an orchid genus. Habenaria |
- Haberlea.
| . Haberlea |
- Habranthus.
| . Habranthus |
- Hacquetia.
| . Hacquetia |
- Haemanthus.
| blood lily. Haemanthus |
- Hakea.
| . Hakea |
- Hakonechloa.
| . Hakonechloa |
- Halesia.
| silverbell. Halesia |
- Halimiocistus.
| hybrid genus. Halimiocistus |
- Halimium.
| . Halimium |
- Halimodendron.
| . Halimodendron |
- Hamamelis.
| witch-hazel. Hamamelis |
- Haplopappus.
| . Haplopappus |
- Hardenbergia.
| coral pea. Hardenbergia |
- Harrisia.
| . Harrisia |
- Hatiora.
| . Hatiora |
- Haworthia.
| . Haworthia |
- Hebe.
| . Hebe |
- Hechtia.
| . Hechtia |
- Hedera.
| Ivy. Hedera |
- Hedychium.
| . Hedychium |
- Hedyotis.
| bluets. Hedyotis |
- Hedysarum.
| . Hedysarum |
- Hedyscepe.
| umbrella palm. Hedyscepe |
- Helenium.
| sneezeweed. Helenium |
- Helianthemum.
| rock rose. Helianthemum |
- Helianthus.
| sunflower. Helianthus |
- Helichrysum.
| . Helichrysum |
- Heliconia.
| . Heliconia |
- Helictotrichon.
| . Helictotrichon |
- Heliocereus.
| . Heliocereus |
- Heliophila.
| . Heliophila |
- Heliopsis.
| ox eye. Heliopsis |
- Heliotropium.
| heliotrope. Heliotropium |
- Helleborus.
| hellebore. Helleborus |
- Heloniopsis.
| . Heloniopsis |
- Hemerocallis.
| daylily. Hemerocallis |
- Hemigraphis.
| . Hemigraphis |
- Hepatica.
| . Hepatica |
- Heptacodium.
| . Heptacodium |
- Heracleum.
| . Heracleum |
- Herbertia.
| . Herbertia |
- Hereroa.
| . Hereroa |
- Hermannia.
| . Hermannia |
- Hermodactylus.
| . Hermodactylus |
- Hesperaloe.
| . Hesperaloe |
- Hesperantha.
| . Hesperantha |
- Hesperis.
| . Hesperis |
- Hesperocallis.
| . Hesperocallis |
- Heterocentron.
| . Heterocentron |
- Heterotheca.
| . Heterotheca |
- Heuchera.
| coral flower. Heuchera |
- Heucherella.
| hybrid genus. Heucherella |
- Hibbertia.
| . Hibbertia |
- Hibiscus.
| rose of Sharon. Hibiscus |
- Hieracium.
| hawkweed. Hieracium |
- Himalayacalamus.
| . Himalayacalamus |
- Hippeastrum.
| amaryllis. Hippeastrum |
- Hippocrepis.
| . Hippocrepis |
- Hippophae.
| . Hippophae |
- Hohenbergia.
| . Hohenbergia |
- Hohenbergiopsis.
| . Hohenbergiopsis |
- Hoheria.
| . Hoheria |
- Holboellia.
| . Holboellia |
- Holcus.
| . Holcus |
- Holmskioldia.
| . Holmskioldia |
- Holodiscus.
| . Holodiscus |
- Homalocladium.
| ribbon bush. Homalocladium |
- Homeria.
| . Homeria |
- Hoodia.
| . Hoodia |
- Hordeum.
| barley. Hordeum |
- Horminum
| . Horminum | | |
- Hosta.
| plantain lily. Hosta |
- Hottonia.
| . Hottonia |
- Houttuynia.
| . Houttuynia |
- Hovea.
| . Hovea |
- Hovenia.
| . Hovenia |
- Howea.
| sentry palm. Howea |
- Hoya.
| wax flower. Hoya |
- Huernia.
| . Huernia |
- Humulus.
| hops. Humulus |
- Hummemannia.
| . Hummemannia |
- Huntleya.
| . Huntleya |
- Hyacinthella.
| . Hyacinthella |
- Hyacinthoides.
| . Hyacinthoides |
- Hyacinthus.
| hyacinth. Hyacinthus |
- Hydrangea.
| . Hydrangea |
- Hydrastis.
| goldenseal. Hydrastis |
- Hydrocharis.
| frogbit. Hydrocharis |
- Hydrocleys.
| . Hydrocleys |
- Hydrocotyle.
| pennywort. Hydrocotyle |
- Hygrophila.
| . Hygrophila |
- Hylocereus.
| . Hylocereus |
- Hylomecon.
| . Hylomecon |
- Hymenocallis.
| . Hymenocallis |
- Hymenosporum.
| . Hymenosporum |
- Hyophorbe.
| bottle palm. Hyophorbe |
- Hyoscyamus.
| henbane. Hyoscyamus |
- Hypericum.
| St. John's wort, rose of Sharon. Hypericum |
- Hyphaene.
| doum palm. Hyphaene |
- Hypocalymma.
| . Hypocalymma |
- Hypoestes.
| . Hypoestes |
- Hypoxis.
| starflower. Hypoxis |
- Hypsela.
| . Hypsela |
- Hyssopus.
| hyssop. Hyssopus |
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| |
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|
|
- Iberis.
| candytuft. Iberis |
- Ibervillea.
| . Ibervillea |
- Idesia.
| . Idesia |
- Ilex.
| holly. Ilex |
- Illicium.
| . Illicium |
- Impatiens.
| balsam. Impatiens |
- Imperata.
| . Imperata |
- Incarvillea.
| . Incarvillea |
- Indigofera.
| . Indigofera |
- Inula.
| . Inula |
- Iochroma.
| . Iochroma |
- Ipheion.
| . Ipheion |
- Ipomoea.
| morning glory. Ipomoea |
- Ipomopsis.
| . Ipomopsis |
- Iresine.
| . Iresine |
- Iris.
| . Iris |
- Isatis.
| . Isatis |
- Isoplexis.
| . Isoplexis |
- Isopyrum.
| . Isopyrum |
- Itea.
| . Itea |
- Ixia.
| corn lily. Ixia |
- Ixiolirion.
| . Ixiolirion |
- Ixora.
| . Ixora |
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| |
- Top
|
|
- Jaborosa.
| . Jaborosa |
- Jacaranda.
| . Jacaranda |
- Jacquemontia.
| . Jacquemontia |
- Jamesia.
| . Jamesia |
- Jancaea.
| . Jancaea |
- Jasione.
| . Jasione |
- Jasminum.
| jasmine, jessamine. Jasminum |
- Jatropha.
| . Jatropha |
- Jeffersonia.
| . Jeffersonia |
- Jovellana.
| . Jovellana |
- Jovibarba.
| . Jovibarba |
- Juanulloa.
| . Juanulloa |
- Jubaea.
| Chilean wine palm. Jubaea |
- Juglans.
| walnut. Juglans |
- Juncus.
| rush. Juncus |
- Juniperus.
| juniper. Juniperus |
- Justicia.
| . Justicia |
-
| |
- Top
|
|
- Kadsura.
| . Kadsura |
- Kaempferia.
| . Kaempferia |
- Kalanchoe.
| . Kalanchoe |
- Kalimeris.
| . Kalimeris |
- Kalmia.
| Mountain Laurel. Kalmia |
- Kalmiopsis.
| . Kalmiopsis |
- Kalopanax.
| . Kalopanax |
- Kelseya.
| . Kelseya |
- Kerria.
| . Kerria |
- Kigelia.
| sausage tree. Kigelia |
- Kirengeshoma.
| . Kirengeshoma |
- Kitaibela.
| . Kitaibela |
- Kleinia.
| . Kleinia |
- Knautia.
| . Knautia |
- Knightia.
| . Knightia |
- Kniphofia.
| . Kniphofia |
- Koeleria.
| junegrass. Koeleria |
- Koelreuteria.
| golden rain tree. Koelreuteria |
- Kohleria.
| . Kohleria |
- Kolkwitzia.
| beautybush. Kolkwitzia |
- Kosteletzkya.
| . Kosteletzkya |
- Kunzea.
| . Kunzea |
-
| |
- Top
|
|
- Lablab.
| . Lablab |
- Laburnocytisus.
| . Laburnocytisus |
- Laburnum.
| laburnum. Laburnum |
- Laccospadix.
| . Laccospadix |
- Lachenalia.
| Cape cowslip. Lachenalia |
- Laelia.
| an orchid genus. Laelia |
- Laeliocattleya.
| hybrid orchid genus. Laeliocattleya |
- Lagarosiphon.
| . Lagarosiphon |
- Legenophora.
| . Legenophora |
- Lagerstroemia.
| . Lagerstroemia |
- Lagunaria.
| . Lagunaria |
- Lagurus.
| . Lagurus |
- Lamarckia.
| . Lamarckia |
- Lambertia.
| . Lambertia |
- Lamium.
| deadnettle. Lamium |
- Lampranthus.
| . Lampranthus |
- Lantana.
| shrub verbena. Lantana |
- Lapageria.
| . Lapageria |
- Lardizabala.
| . Lardizabala |
- Larix.
| larch. Larix |
- Larrea.
| creosote bush. Larrea |
- Latania.
| Latan palm. Latania |
- Lathraea.
| . Lathraea |
- Lathyrus.
| . Lathyrus |
- Laurelia.
| . Laurelia |
- Laurus.
| . Laurus |
- Lavandula.
| lavender. Lavandula |
- Lavatera.
| mallow. Lavatera |
- Lawsonia.
| . Lawsonia |
- Layia.
| . Layia |
- Ledebouria.
| . Ledebouria |
- Ledodendron.
| hybrid genus. Ledodendron |
- Ledum.
| . Ledum |
- Leea.
| . Leea |
- Legousia.
| . Legousia |
- Leiophyllum.
| . Leiophyllum |
- Leipoldtia.
| . Leipoldtia |
- Leitneria.
| . Leitneria |
- Lemboglossum.
| . Lemboglossum |
- Lenophyllum.
| . Lenophyllum |
- Leonotis.
| . Leonotis |
- Leontice.
| . Leontice |
- Leontopodium.
| edelweiss. Leontopodium |
- Lepidozamia.
| . Lepidozamia |
- Leptinella.
| . Leptinella |
- Leptodactylon.
| . Leptodactylon |
- Lechenaultia.
| . Lechenaultia |
- Lespedeza.
| bush clover. Lespedeza |
- Leucadendron.
| . Leucadendron |
- Leucanthemella.
| . Leucanthemella |
- Leucanthemopsis.
| . Leucanthemopsis |
- Leucanthemum.
| . Leucanthemum |
- Leuchtenbergia.
| . Leuchtenbergia |
- Leucocoryne.
| . Leucocoryne |
- Leucogenes.
| . Leucogenes |
- Leucojum.
| snowflake. Leucojum |
- Leucophyllum.
| . Leucophyllum |
- Leucophyta.
| . Leucophyta |
- Leucopogon.
| . Leucopogon |
- Leucoraoulia.
| hybrid genus. Leucoraoulia |
- Leucospermum.
| pincushion. Leucospermum |
- Leucothoe.
| . Leucothoe |
- Lewisia.
| . Lewisia |
- Leycesteria.
| . Leycesteria |
- Leymus.
| . Leymus |
- Liatris.
| . Liatris |
- Libertia.
| . Libertia |
- Libocedrus.
| . Libocedrus |
- Ligularia.
| . Ligularia |
- Ligustrum.
| privet. Ligustrum |
- Lilium.
| lily. Lilium |
- Limnanthes.
| . Limnanthes |
- Limnocharis.
| . Limnocharis |
- Limonium.
| sea lavender. Limonium |
- Linanthus.
| . Linanthus |
- Linaria.
| toadflax. Linaria |
- Lindelofia.
| . Lindelofia |
- Lindera.
| . Lindera |
- Lindheimeria.
| star daisy. Lindheimeria |
- Linnaea.
| twinflower. Linnaea |
- Linospadix.
| . Linospadix |
- Linum.
| flax. Linum |
- Liquidambar.
| sweetgum. Liquidambar |
- Liriodendron.
| tulip tree. Liriodendron |
- Liriope.
| lilyturf. Liriope |
- Lithocarpus.
| . Lithocarpus |
- Lithodora.
| . Lithodora |
- Lithophragma.
| . Lithophragma |
- Lithops.
| . Lithops |
- Littonia.
| . Littonia |
- Livistona.
| . Livistona |
- Lloydia.
| . Lloydia |
- Loasa.
| . Loasa |
- Lobelia.
| . Lobelia |
- Lobularia.
| sweet alyssum. Lobularia |
- Lodoicea.
| coco-de-mer. Lodoicea |
- Loiseleuria.
| . Loiseleuria |
- Lomandra.
| mat rush. Lomandra |
- Lomatia.
| . Lomatia |
- Lomatium.
| . Lomatium |
- Lomatophyllum.
| . Lomatophyllum |
- Lonicera.
| honeysuckle. Lonicera |
- Lopezia.
| . Lopezia |
- Lophomyrtus.
| . Lophomyrtus |
- Lophospermum.
| . Lophospermum |
- Lophostemon.
| . Lophostemon |
- Loropetalum.
| . Loropetalum |
- Lotus.
| . Lotus |
- Luculia.
| . Luculia |
- Ludwigia.
| . Ludwigia |
- Luma.
| . Luma |
- Lunaria.
| . Lunaria |
- Lupinus.
| lupin. Lupinus |
- Luzula.
| woodrush. Luzula |
- Lycaste.
| an orchid genus. Lycaste |
- Lychnis.
| campion. Lychnis |
- Lycium.
| . Lycium |
- Lycopodium.
| club moss. Lycopodium |
- Lycoris.
| . Lycoris |
- Lygodium.
| climbing fern. Lygodium |
- Lyonia.
| . Lyonia |
- Lyonothamnus.
| . Lyonothamnus |
- Lysichiton.
| Yellow skunk cabbage. Lysichiton |
- Lysiloma.
| . Lysiloma |
- Lysimachia.
| . Lysimachia |
- Lythrum.
| loosestrife. Lythrum |
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| |
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|
|
- Maackia.
| . Maackia |
- Macfadyena.
| . Macfadyena |
- Machaeranthera.
| . Machaeranthera |
- Mackaya.
| . Mackaya |
- Macleania.
| . Macleania |
- Macleaya.
| . Macleaya |
- Maclura.
| . Maclura |
- Macropidia.
| . Macropidia |
- Macrozamia.
| . Macrozamia |
- Magnolia.
| . Magnolia |
- Mahonia.
| . Mahonia |
- Maianthemum.
| May lily. Maianthemum |
- Maihuenia.
| . Maihuenia |
- Malcolmia.
| . Malcolmia |
- Malephora.
| . Malephora |
- Malope.
| . Malope |
- Malpighia.
| . Malpighia |
- Malus.
| apple, crabapple. Malus |
- Malva.
| mallow. Malva |
- Malvastrum.
| . Malvastrum |
- Malvaviscus.
| . Malvaviscus |
- Mammillaria.
| . Mammillaria |
- Mandevilla.
| . Mandevilla |
- Mandragora.
| mandrake. Mandragora |
- Manettia.
| . Manettia |
- Manglietia.
| . Manglietia |
- Maranta.
| . Maranta |
- Margyricarpus.
| . Margyricarpus |
- Marrubium.
| horehound. Marrubium |
- Marsilea.
| pepperwort. Marsilea |
- Masdevallia.
| an orchid genus. Masdevallia |
- Matteuccia.
| . Matteuccia |
- Matthiola.
| stock. Matthiola |
- Maurandella.
| . Maurandella |
- Maurandya.
| . Maurandya |
- Maxillaria.
| an orchid genus. Maxillaria |
- Maytenus.
| . Maytenus |
- Mazus.
| . Mazus |
- Meconopsis.
| . Meconopsis |
- Medicago.
| alfalfa. Medicago |
- Medinilla.
| . Medinilla |
- Meehania.
| . Meehania |
- Megacodon.
| . Megacodon |
- Megaskepasma.
| . Megaskepasma |
- Melaleuca.
| paperbark. Melaleuca |
- Melasphaerula.
| . Melasphaerula |
- Melastoma.
| . Melastoma |
- Melia.
| . Melia |
- Melianthus.
| . Melianthus |
- Melica.
| melick. Melica |
- Melicytus.
| . Melicytus |
- Melinis.
| . Melinis |
- Meliosma.
| . Meliosma |
- Melissa.
| balm. Melissa |
- Melittis.
| Bastard Balm. Melittis |
- Melocactus.
| . Melocactus |
- Menispermum.
| moonseed. Menispermum |
- Mentha.
| mint. Mentha |
- Mentzelia.
| starflower. Mentzelia |
- Menyanthes.
| . Menyanthes |
- Menziesia.
| . Menziesia |
- Merendera.
| . Merendera |
- Merremia.
| . Merremia |
- Mertensia.
| . Mertensia |
- Mespilus.
| . Mespilus |
- Metasequoia.
| dawn redwood. Metasequoia |
- Metrosideros.
| . Metrosideros |
- Meum.
| . Meum |
- Mexicoa.
| . Mexicoa |
- Michauxia.
| . Michauxia |
- Michelia.
| . Michelia |
- Microbiota.
| . Microbiota |
- Microcachrys.
| . Microcachrys |
- Microlepia.
| . Microlepia |
- Micromeria.
| . Micromeria |
- Mikania.
| . Mikania |
- Milium.
| . Milium |
- Milla.
| . Milla |
- Millettia.
| . Millettia |
- Miltonia.
| an orchid genus. Miltonia |
- Miltoniopsis.
| pansy orchid. Miltoniopsis |
- Mimetes.
| . Mimetes |
- Mimosa.
| mimosa, or sensitive plant. Mimosa |
- Mimulus.
| monkey flower. Mimulus |
- Mirabilis.
| . Mirabilis |
- Miscanthus.
| . Miscanthus |
- Mitchella.
| partridge berry. Mitchella |
- Mitella.
| . Mitella |
- Mitraria.
| . Mitraria |
- Molinia.
| . Molinia |
- Moltkia.
| . Moltkia |
- Moluccella.
| . Moluccella |
- Monadenium.
| . Monadenium |
- Monanthes.
| . Monanthes |
- Monarda.
| bee balm. Monarda |
- Monardella.
| . Monardella |
- Monstera.
| . Monstera |
- Moraea.
| . Moraea |
- Morina.
| . Morina |
- Morisia.
| . Morisia |
- Morus.
| Mulberry. Morus |
- Mucuna.
| . Mucuna |
- Muehlenbeckia.
| . Muehlenbeckia |
- Mukdenia.
| . Mukdenia |
- Musa.
| banana, plantain. Musa |
- Muscari.
| grape hyacinth. Muscari |
- Mussaenda.
| . Mussaenda |
- Mutisia.
| . Mutisia |
- Myoporum.
| . Myoporum |
- Myosotidium.
| . Myosotidium |
- Myosotis.
| forget-me-not. Myosotis |
- Myrica.
| . Myrica |
- Myriophyllum.
| milfoil. Myriophyllum |
- Myrrhis.
| sweet cicely. Myrrhis |
- Myrsine.
| . Myrsine |
- Myrteola.
| . Myrteola |
- Myrtillocactus.
| . Myrtillocactus |
- Myrtus.
| myrtle. Myrtus |
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| |
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|
|
- Nandina.
| heavenly bamboo. Nandina |
- Narcissus.
| daffodil. Narcissus |
- Nasturtium.
| watercress. Nasturtium |
- Nautilocalyx.
| . Nautilocalyx |
- Nectaroscordium.
| . Nectaroscordium |
- Neillia.
| . Neillia |
- Nelumbo.
| lotus. Nelumbo |
- Nematanthus.
| . Nematanthus |
- Nemesia.
| . Nemesia |
- Nemopanthus.
| mountain holly. Nemopanthus |
- Nemophila.
| . Nemophila |
- Neobuxbaumia.
| . Neobuxbaumia |
- Neolitsea.
| . Neolitsea |
- Neolloydia.
| . Neolloydia |
- Neomarica.
| . Neomarica |
- Neoporteria.
| . Neoporteria |
- Neoregelia.
| . Neoregelia |
- Nepenthes.
| pitcher plant. Nepenthes |
- Nepeta.
| catmint. Nepeta |
- Nephrolepis.
| . Nephrolepis |
- Nerine.
| . Nerine |
- Nerium.
| oleander. Nerium |
- Nertera.
| . Nertera |
- Nicandra.
| . Nicandra |
- Nicotiana.
| tobacco. Nicotiana |
- Nidularium.
| . Nidularium |
- Nierembergia.
| . Nierembergia |
- Nigella.
| . Nigella |
- Nipponanthemum.
| . Nipponanthemum |
- Nolana.
| . Nolana |
- Nomocharis.
| . Nomocharis |
- Nopalxochia.
| . Nopalxochia |
- Nothofagus.
| southern beech. Nothofagus |
- Notholirion.
| . Notholirion |
- Nothoscordum.
| false garlic. Nothoscordum |
- Notospartium.
| . Notospartium |
- Nuphar.
| spatterdock. Nuphar |
- Nymania.
| . Nymania |
- Nymphaea.
| waterlily. Nymphaea |
- Nymphoides.
| floating heart. Nymphoides |
- Nyssa.
| tupelo. Nyssa |
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| |
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|
|
- Obregonia.
| . Obregonia |
- Ochagavia.
| . Ochagavia |
- Ochna.
| . Ochna |
- Ocimum.
| . Ocimum |
- Odontioda.
| hybrid orchid genus. Odontioda |
- Odontocidium.
| hybrid orchid genus. Odontocidium |
- Odontoglossum.
| an orchid genus. Odontoglossum |
- Odontonema.
| . Odontonema |
- Odontonia.
| hybrid orchid genus. Odontonia |
- Oemleria.
| . Oemleria |
- Oenanthe.
| water dropwort. Oenanthe |
- Oenothera.
| evening primrose, sundrops. Oenothera |
- Olea.
| olive. Olea |
- Olearia.
| daisy bush. Olearia |
- Olneya.
| . Olneya |
- Olsynium.
| . Olsynium |
- Omphalodes.
| navelwort. Omphalodes |
- Omphalogramma.
| . Omphalogramma |
- Oncidium.
| an orchid genus. Oncidium |
- Onoclea.
| . Onoclea |
- Ononis.
| restharrow. Ononis |
- Onopordum.
| . Onopordum |
- Onosma.
| . Onosma |
- Oophytum.
| . Oophytum |
- Ophiopogon.
| lilyturf. Ophiopogon |
- Ophrys.
| an orchid genus. Ophrys |
- Ophthalmophyllum.
| . Ophthalmophyllum |
- Oplismenus.
| . Oplismenus |
- Opuntia.
| prickly pears cactus. Opuntia |
- Orbea.
| . Orbea |
- Orbeopsis.
| . Orbeopsis |
- Orchis.
| an orchid genus. Orchis |
- Oreocereus.
| . Oreocereus |
- Origanum.
| marjoram, oregano. Origanum |
- Orixa.
| . Orixa |
- Ornithogalum.
| . Ornithogalum |
- Ornithophora.
| . Ornithophora |
- Orontium.
| golden club. Orontium |
- Orostachys.
| . Orostachys |
- Oroya.
| . Oroya |
- Ortegocactus.
| . Ortegocactus |
- Orthophytum.
| . Orthophytum |
- Orthrosanthus.
| . Orthrosanthus |
- Orychophragmus.
| . Orychophragmus |
- Oryza.
| rice. Oryza |
- Osbeckia.
| . Osbeckia |
- Osmanthus.
| . Osmanthus |
- Osmarea.
| . Osmarea |
- Osmaronia.
| . Osmaronia |
- Osmunda.
| royal fern. Osmunda |
- Osteomeles.
| . Osteomeles |
- Osteospermum.
| . Osteospermum |
- Ostrowskia.
| giant bellflower. Ostrowskia |
- Ostrya.
| . Ostrya |
- Othonna.
| . Othonna |
- Ourisia.
| . Ourisia |
- Oxalis.
| shamrock, sorrel. Oxalis |
- Oxydendrum.
| . Oxydendrum |
- Ozothamnus.
| . Ozothamnus |
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| |
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|
|
- Pachistima.
| . Pachistima |
- Pachycereus.
| . Pachycereus |
- Pachycormus.
| . Pachycormus |
- Pachycymbium.
| . Pachycymbium |
- Pachyphragma.
| . Pachyphragma |
- Pachyphytum.
| . Pachyphytum |
- Pachypodium.
| . Pachypodium |
- Pachysandra.
| . Pachysandra |
- Pachystachys.
| . Pachystachys |
- Pachystegia.
| . Pachystegia |
- Pachystima.
| . Pachystima |
- Pachyveria.
| hybrid genus. Pachyveria |
- Paeonia.
| peony. Paeonia |
- Paliurus.
| . Paliurus |
- Pamianthe.
| . Pamianthe |
- Panax.
| ginseng. Panax |
- Pancratium.
| sea lily. Pancratium |
- Pandanus.
| screw pine. Pandanus |
- Pandorea.
| . Pandorea |
- Panicum.
| . Panicum |
- Pansy.
| . Pansy |
- Papaver.
| poppy. Papaver |
- Paphiopedilum.
| slipper orchid. Paphiopedilum |
- Paradisea.
| paradise lily. Paradisea |
- Parahebe.
| . Parahebe |
- Paraquilegia.
| . Paraquilegia |
- Parkinsonia.
| . Parkinsonia |
- Parnassia.
| . Parnassia |
- Parochetus.
| . Parochetus |
- Parodia.
| . Parodia |
- Paronychia.
| . Paronychia |
- Parrotia.
| . Parrotia |
- Parrotiopsis.
| . Parrotiopsis |
- Parthenocissus.
| . Parthenocissus |
- Passiflora.
| granadilla, passionflower. Passiflora |
- Patersonia.
| . Patersonia |
- Patrinia.
| . Patrinia |
- Paulownia.
| . Paulownia |
- Paurotis.
| . Paurotis |
- Pavonia.
| . Pavonia |
- Pedilanthus.
| . Pedilanthus |
- Pediocactus.
| . Pediocactus |
- Pelargonium.
| geranium. Pelargonium |
- Pellaea.
| . Pellaea |
- Peltandra.
| arrow arum. Peltandra |
- Peltoboykinia.
| . Peltoboykinia |
- Peltophorum.
| . Peltophorum |
- Peniocereus.
| . Peniocereus |
- Pennisetum.
| . Pennisetum |
- Penstemon.
| . Penstemon |
- Pentachrondra.
| . Pentachrondra |
- Pentaglottis.
| . Pentaglottis |
- Pentas.
| . Pentas |
- Peperomia.
| . Peperomia |
- Peraphyllum.
| . Peraphyllum |
- Pereskia.
| . Pereskia |
- Perezia.
| . Perezia |
- Pericallis.
| . Pericallis |
- Perilla.
| . Perilla |
- Periploca.
| . Periploca |
- Perovskia.
| . Perovskia |
- Pernettya.
| now included in Gaultheria. Pernettya |
- Persea.
| . Persea |
- Persicaria.
| fleeceflower, knotweed. Persicaria |
- Petasites.
| butterbur, sweet coltsfoot. Petasites |
- Petrea.
| . Petrea |
- Petrocosmea.
| . Petrocosmea |
- Petrophile.
| . Petrophile |
- Petrophyton.
| . Petrophyton |
- Petrophytum.
| . Petrophytum |
- Petrorhagia.
| . Petrorhagia |
- Petroselinum.
| parsley. Petroselinum |
- Petteria.
| . Petteria |
- Petunia.
| . Petunia |
- Phacelia.
| . Phacelia |
- Phaedranassa.
| queen lily. Phaedranassa |
- Phaius.
| an orchid genus. Phaius |
- Phalaenopsis.
| moth orchid. Phalaenopsis |
- Phalaris.
| . Phalaris |
- Phebalium.
| . Phebalium |
- Phegopteris.
| beech fern. Phegopteris |
- Phellodendron.
| cork tree. Phellodendron |
- Philadelphus.
| mock orange. Philadelphus |
- Philageria.
| hybrid genus. Philageria |
- Philesia.
| . Philesia |
- Phillyrea.
| . Phillyrea |
- Philodendron.
| . Philodendron |
- Phlebodium.
| . Phlebodium |
- Phlomis.
| . Phlomis |
- Phlox.
| Moss Phlox . Phlox Subulata |
- Phoenix.
| date palm. Phoenix |
- Phormium.
| . Phormium |
- Photinia.
| . Photinia |
- Phragmipedium.
| an orchid genus. Phragmipedium |
- Phragmites.
| reed. Phragmites |
- Phuopsis.
| . Phuopsis |
- Phygelius.
| . Phygelius |
- Phylica.
| Cape myrtle. Phylica |
- Phylliopsis.
| hybrid genus. Phylliopsis |
- Phyllocladus.
| toatoa. Phyllocladus |
- Phyllodoce.
| . Phyllodoce |
- Phyllostachys.
| . Phyllostachys |
- Phyllothamnus.
| hybrid genus. Phyllothamnus |
- Physalis.
| ground cherry. Physalis |
- Physaria.
| bladderpod. Physaria |
- Physocarpus.
| . Physocarpus |
- Physoplexis.
| . Physoplexis |
- Physostegia.
| . Physostegia |
- Phyteuma.
| . Phyteuma |
- Phytolacca.
| pokeweed. Phytolacca |
- Picea.
| spruce. Picea |
- Picrasma.
| . Picrasma |
- Pieris.
| . Pieris |
- Pilea.
| . Pilea |
- Pileostegia.
| . Pileostegia |
- Pileosella.
| . Pileosella |
- Pilosocereus.
| . Pilosocereus |
- Pimelea.
| . Pimelea |
- Pimpinella.
| . Pimpinella |
- Pinanga.
| . Pinanga |
- Pinckneya.
| . Pinckneya |
- Pinellia.
| . Pinellia |
- Pinguicula.
| butterwort. Pinguicula |
- Pinus.
| pine. Pinus |
- Piper.
| pepper. Piper |
- Piptanthus.
| . Piptanthus |
- Pisonia.
| . Pisonia |
- Pistacia.
| pistachio. Pistacia |
- Pistia.
| . Pistia |
- Pitcairnia.
| . Pitcairnia |
- Pithecellobium.
| . Pithecellobium |
- Pittosporum.
| . Pittosporum |
- Pityrogramma.
| . Pityrogramma |
- Plantago.
| plantain. Plantago |
- Platanus.
| plane tree, sycamore. Platanus |
- Platycarya.
| . Platycarya |
- Platycerium.
| staghorn fern. Platycerium |
- Platycladus.
| Chinese arborvitae. Platycladus |
- Platycodon.
| balloon flower. Platycodon |
- Platystemon.
| creamcups. Platystemon |
- Plectranthus.
| . Plectranthus |
- Pleioblastus.
| . Pleioblastus |
- Pleione.
| an orchid genus. Pleione |
- Pleiospilos.
| living granite. Pleiospilos |
- Pleurothallis.
| an orchid genus. Pleurothallis |
- Plumeria.
| frangipani. Plumeria |
- Poa.
| . Poa |
- Podalyria.
| . Podalyria |
- Podocarpus.
| . Podocarpus |
- Podophyllum.
| mayapple. Podophyllum |
- Podranea.
| . Podranea |
- Polemonium.
| jacob's ladder, abscess root. Polemonium |
- Polianthes.
| . Polianthes |
- Poliothyrsis.
| . Poliothyrsis |
- Polygala.
| milkwort, seneca, snakeroot. Polygala |
- Polygonatum.
| . Polygonatum |
- Polygonum.
| knotweed, knotgrass. Polygonum |
- Polypodium.
| . Polypodium |
- Polyscias.
| . Polyscias |
- Polystichum.
| . Polystichum |
- Poncirus.
| . Poncirus |
- Pongamia.
| . Pongamia |
- Pontederia.
| pickerel weed. Pontederia |
- Populus.
| aspen, poplar, cottonwood. Populus |
- Porana.
| . Porana |
- Portea.
| . Portea |
- Portulaca.
| purslane, moss rose. Portulaca |
- Portulacaria.
| . Portulacaria |
- Posoqueria.
| . Posoqueria |
- Potamogeton.
| . Potamogeton |
- Potentilla.
| cinquefoil. Potentilla |
- Pothos.
| . Pothos |
- Potinara.
| hybrid orchid genus. Potinara |
- Pratia.
| . Pratia |
- Primula.
| primrose. Primula |
- Prinsepia.
| . Prinsepia |
- Pritchardia.
| . Pritchardia |
- Proboscidea.
| unicorn plant. Proboscidea |
- Promenaea.
| . Promenaea |
- Prosopis.
| mesquite. Prosopis |
- Prostanthera.
| Mint Bush. Prostanthera |
- Protea.
| . Protea |
- Prumnopitys.
| . Prumnopitys |
- Prunella.
| self-heal. Prunella |
- Prunus.
| almond, apricot, cherry, peach, plum. Prunus |
- Pseuderanthemum.
| . Pseuderanthemum |
- Pseudocydonia.
| . Pseudocydonia |
- Pseudolarix.
| golden-larch. Pseudolarix |
- Pseudopanax.
| . Pseudopanax |
- Pseudosasa.
| . Pseudosasa |
- Pseudotsuga.
| douglas-fir. Pseudotsuga |
- Pseudowintera.
| . Pseudowintera |
- Psiolotum.
| . Psiolotum |
- Psychopsis.
| butterfly orchid. Psychopsis |
- Psylliostachys.
| statice. Psylliostachys |
- Ptelea.
| . Ptelea |
- Pteris.
| brake, table fern. Pteris |
- Pterocactus.
| . Pterocactus |
- Pterocarya.
| wingnut. Pterocarya |
- Pteroceltis.
| . Pteroceltis |
- Pterocephalus.
| . Pterocephalus |
- Pterodiscus.
| . Pterodiscus |
- Pteropogon.
| . Pteropogon |
- Pterostyrax.
| . Pterostyrax |
- Ptilotus.
| . Ptilotus |
- Ptychosperma.
| . Ptychosperma |
- Pueraria.
| . Pueraria |
- Pulmonaria.
| lungwort. Pulmonaria |
- Pulsatilla.
| . Pulsatilla |
- Pultenaea.
| . Pultenaea |
- Punica.
| pomegranate. Punica |
- Purshia.
| . Purshia |
- Puschkinia.
| . Puschkinia |
- Putoria.
| . Putoria |
- Puya.
| . Puya |
- Pycnanthemum.
| . Pycnanthemum |
- Pycnostachys.
| . Pycnostachys |
- Pyracantha.
| firethorn. Pyracantha |
- Pyrola.
| wintergreen. Pyrola |
- Pyrostegia.
| . Pyrostegia |
- Pyrrosia.
| . Pyrrosia |
- Pyrus.
| pear. Pyrus |
-
| |
- Top
|
|
- Quamoclit.
| . Quamoclit |
- Quaqua.
| . Quaqua |
- Quercus.
| oak. Quercus |
- Quesnelia.
| . Quesnelia |
- Quisqualis.
| . Quisqualis |
-
| |
- Top
|
|
- Ramonda.
| . Ramonda |
- Ranunculus.
| buttercup, crowfoot. Ranunculus |
- Ranzania.
| . Ranzania |
- Raoulia.
| . Raoulia |
- Raphia.
| raffia. Raphia |
- Ratibida.
| . Ratibida |
- Ravenala.
| traveler's tree. Ravenala |
- Rebutia.
| . Rebutia |
- Rehderodendron.
| . Rehderodendron |
- Rehmannia.
| . Rehmannia |
- Reineckia.
| . Reineckia |
- Reinwardtia.
| . Reinwardtia |
- Reseda.
| Mignonette. Reseda |
- Retama.
| . Retama |
- Rhamnus.
| . Rhamnus |
- Rhaphidophora.
| . Rhaphidophora |
- Rhaphiolepis.
| . Rhaphiolepis |
- Rhapidophyllum.
| needle palm. Rhapidophyllum |
- Rhapis.
| lady palm. Rhapis |
- Rheum.
| rhubarb. Rheum |
- Rhexia.
| . Rhexia |
- Rhipsalis.
| . Rhipsalis |
- Rhodanthe.
| strawflower. Rhodanthe |
- Rhodanthemum.
| . Rhodanthemum |
- Rhodiola.
| . Rhodiola |
- Rhodochiton.
| . Rhodochiton |
- Rhododendron.
| . Rhododendron |
- Rhodohypoxis.
| . Rhodohypoxis |
- Rhodophiala.
| . Rhodophiala |
- Rhodothamnus.
| . Rhodothamnus |
- Rhodotypos.
| . Rhodotypos |
- Rhoeo.
| . Rhoeo |
- Rhoicissus.
| . Rhoicissus |
- Rhombophyllum.
| . Rhombophyllum |
- Rhus.
| sumac. Rhus |
- Rhynchelytrum.
| . Rhynchelytrum |
- Rhynchostylis.
| an orchid genus. Rhynchostylis |
- Ribes.
| currant. Ribes |
- Richea.
| . Richea |
- Ricinus.
| castor-oil plant. Ricinus |
- Rigidella.
| . Rigidella |
- Robinia.
| . Robinia |
- Rochea.
| . Rochea |
- Rodgersia.
| . Rodgersia |
- Rodriguezia.
| . Rodriguezia |
- Rohdea.
| . Rohdea |
- Romanzoffia.
| . Romanzoffia |
- Romneya.
| Matilija poppy, tree poppy. Romneya |
- Romulea.
| . Romulea |
- Rondeletia.
| . Rondeletia |
- Rosa.
| rose. Rosa |
- Roscoea.
| . Roscoea |
- Rosmarinus.
| rosemary. Rosmarinus |
- Rossioglossum.
| . Rossioglossum |
- Rothmannia.
| . Rothmannia |
- Roystonea.
| royal palm. Roystonea |
- Rubus.
| raspberry. Rubus |
- Rudbeckia.
| coneflower. Rudbeckia |
- Ruellia.
| . Ruellia |
- Rumex.
| dock. Rumex |
- Rumohra.
| . Rumohra |
- Rupicapnos.
| . Rupicapnos |
- Ruschia.
| . Ruschia |
- Ruscus.
| . Ruscus |
- Russelia.
| . Russelia |
- Ruta.
| rue. Ruta |
-
| |
- Top
|
|
- Sabal.
| palmetto. Sabal |
- Saccharum.
| plume grass, sugar cane. Saccharum |
- Sadleria.
| . Sadleria |
- Sagina.
| pearlwort. Sagina |
- Sagittaria.
| arrowhead. Sagittaria |
- Saintpaulia.
| African violet. Saintpaulia |
- Salix.
| willow. Salix |
- Salpiglossis.
| . Salpiglossis |
- Salvia.
| sage. Salvia |
- Salvinia.
| . Salvinia |
- Sambucus.
| elder. Sambucus |
- Sanchezia.
| . Sanchezia |
- Sandersonia.
| . Sandersonia |
- Sanguinaria.
| bloodroot. Sanguinaria |
- Sanguisorba.
| burnet. Sanguisorba |
- Sansevieria.
| . Sansevieria |
- Santolina.
| . Santolina |
- Sanvitalia.
| creeping zinnia. Sanvitalia |
- Sapindus.
| . Sapindus |
- Sapium.
| tallow tree. Sapium |
- Saponaria.
| soapwort. Saponaria |
- Sarcocapnos.
| . Sarcocapnos |
- Sarcocaulon.
| . Sarcocaulon |
- Sarcococca.
| . Sarcococca |
- Saritaea.
| . Saritaea |
- Sarmienta.
| . Sarmienta |
- Sarracenia.
| pitcher plant. Sarracenia |
- Sasa.
| . Sasa |
- Sassafras.
| . Sassafras |
- Satureja.
| savory. Satureja |
- Sauromatum.
| . Sauromatum |
- Saxegothaea.
| . Saxegothaea |
- Saxifraga.
| saxifrage. Saxifraga |
- Scabiosa.
| scabious plant. Scabiosa |
- Scadoxus.
| blood lily. Scadoxus |
- Scaevola.
| . Scaevola |
- Schefflera.
| . Schefflera |
- Schima.
| . Schima |
- Schinus.
| . Schinus |
- Schisandra.
| . Schisandra |
- Schizachyrium.
| . Schizachyrium |
- Schizanthus.
| . Schizanthus |
- Schizopetalon.
| . Schizopetalon |
- Schizophragma.
| . Schizophragma |
- Schizostylis.
| . Schizostylis |
- Schlumbergera.
| . Schlumbergera |
- Schoenoplectus.
| . Schoenoplectus |
- Schomburgkia.
| . Schomburgkia |
- Schotia.
| . Schotia |
- Schwantesia.
| . Schwantesia |
- Sciadopitys.
| . Sciadopitys |
- Scilla.
| . Scilla |
- Scindapsus.
| . Scindapsus |
- Scirpoides.
| . Scirpoides |
- Sclerocactus.
| . Sclerocactus |
- Scoliopsus.
| . Scoliopsus |
- Scopolia.
| . Scopolia |
- Scrophularia.
| figwort. Scrophularia |
- Scutellaria.
| . Scutellaria |
- Securinega.
| . Securinega |
- Sedum.
| stonecrop. Sedum |
- Selaginella.
| . Selaginella |
- Selago.
| . Selago |
- Selenicereus.
| . Selenicereus |
- Selinum.
| . Selinum |
- Semele.
| . Semele |
- Semiaquilegia.
| . Semiaquilegia |
- Semiarundinaria.
| . Semiarundinaria |
- Sempervivum.
| hens and chicks. Sempervivum |
- Senecio.
| ragwort. Senecio |
- Senna.
| herb. Senna |
- Sequoia.
| coast redwood. Sequoia |
- Sequoiadendron.
| giant sequoia. Sequoiadendron |
- Seriphidium.
| . Seriphidium |
- Serissa.
| . Serissa |
- Serruria.
| . Serruria |
- Sesbania.
| . Sesbania |
- Sesleria.
| . Sesleria |
- Setaria.
| . Setaria |
- Shepherdia.
| . Shepherdia |
- Shibataea.
| . Shibataea |
- Shortia.
| . Shortia |
- Sibiraea.
| . Sibiraea |
- Sidalcea.
| . Sidalcea |
- Sideritis.
| . Sideritis |
- Silene.
| campion. Silene |
- Silphium.
| . Silphium |
- Silybum.
| . Silybum |
- Simmondsia.
| jojoba. Simmondsia |
- Sinningia.
| . Sinningia |
- Sinocalycanthus.
| . Sinocalycanthus |
- Sinofranchetia.
| . Sinofranchetia |
- Sinojackia.
| . Sinojackia |
- Sinowilsonia.
| . Sinowilsonia |
- Sisyrinchium.
| . Sisyrinchium |
- Skimmia.
| . Skimmia |
- Smilacina.
| . Smilacina |
- Smilax.
| . Smilax |
- Smithiantha.
| . Smithiantha |
- Smyrnium.
| . Smyrnium |
- Sobralia.
| . Sobralia |
- Solandra.
| . Solandra |
- Solanum.
| potato, nightshade. Solanum |
- Soldanella.
| snowbell. Soldanella |
- Soleirolia.
| . Soleirolia |
- Solenopsis.
| . Solenopsis |
- Solenostemon.
| . Solenostemon |
- Solidago.
| goldenrod. Solidago |
- Solidaster.
| supposedly hybrid genus; see Solidago. Solidaster |
- Sollya.
| . Sollya |
- Sonerila.
| . Sonerila |
- Sophora.
| . Sophora |
- Sophrolaeliocattleya.
| trigeneric hybrid orchid. Sophrolaeliocattleya |
- Sophronitis.
| an orchid genus. Sophronitis |
- Sorbaria.
| . Sorbaria |
- Sorbus.
| rowan, whitebeam. Sorbus |
- Sorghastrum.
| . Sorghastrum |
- Sparaxis.
| . Sparaxis |
- Sparganium.
| . Sparganium |
- .
| |
- Spartina.
| cord grass. Spartina |
- Spartium.
| broom. Spartium |
- Spathiphyllum.
| . Spathiphyllum |
- Spathodea.
| . Spathodea |
- Sphaeralcea.
| . Sphaeralcea |
- Spigelia.
| . Spigelia |
- Spiraea.
| spirea. Spiraea |
- Sprianthes.
| an orchid genus. Sprianthes |
- Sporobolus.
| . Sporobolus |
- Sprekelia.
| . Sprekelia |
- Stachys.
| betony. Stachys |
- Stachyurus.
| . Stachyurus |
- Stangeria.
| . Stangeria |
- Stanhopea.
| an orchid genus. Stanhopea |
- Stapelia.
| . Stapelia |
- Stapelianthus.
| . Stapelianthus |
- Staphylea.
| bladdernut. Staphylea |
- Stauntonia.
| . Stauntonia |
- Stenanthium.
| . Stenanthium |
- Stenocactus.
| . Stenocactus |
- Stenocarpus.
| . Stenocarpus |
- Stenocereus.
| . Stenocereus |
- Stenomesson.
| . Stenomesson |
- Stenotaphron.
| . Stenotaphron |
- Stenotus.
| . Stenotus |
- Stephanandra.
| . Stephanandra |
- Stephanocereus.
| . Stephanocereus |
- Stephanotis.
| . Stephanotis |
- Sternbergia.
| . Sternbergia |
- Stigmaphyllon.
| . Stigmaphyllon |
- Stipa.
| . Stipa |
- Stokesia.
| . Stokesia |
- Stomatium.
| . Stomatium |
- Stratiotes.
| . Stratiotes |
- Strelitzia.
| Bird of Paradise plant. Strelitzia |
- Streptocarpus.
| Cape primrose. Streptocarpus |
- Streptosolen.
| . Streptosolen |
- Strobilanthes.
| . Strobilanthes |
- Stromanthe.
| . Stromanthe |
- Strombocactus.
| . Strombocactus |
- Strongylodon.
| . Strongylodon |
- Stuartia.
| . Stuartia |
- Stylidium.
| . Stylidium |
- Stylophorum.
| . Stylophorum |
- Styphelia.
| . Styphelia |
- Styrax.
| . Styrax |
- Succisa.
| . Succisa |
- Sulcorebutia.
| . Sulcorebutia |
- Sutera.
| . Sutera |
- Sutherlandia.
| . Sutherlandia |
- Swainsona.
| . Swainsona |
- Swainsonia.
| . Swainsonia |
- Syagrus.
| . Syagrus |
- Sycoparrotia.
| hybrid genus. Sycoparrotia |
- Sycopsis.
| . Sycopsis |
- Symphoricarpos.
| snowberry. Symphoricarpos |
- Symphyandra.
| . Symphyandra |
- Symphytum.
| comfrey. Symphytum |
- Symplocos.
| . Symplocos |
- Synadenium.
| . Synadenium |
- Syneilesis.
| . Syneilesis |
- Syngonium.
| . Syngonium |
- Synnotia.
| . Synnotia |
- Synthyris.
| . Synthyris |
- Syringa.
| lilac. Syringa |
- Syzygium.
| rose apple. Syzygium |
-
| |
- Top
|
|
- Tabebuia.
| . Tabebuia |
- Tabernaemontana.
| . Tabernaemontana |
- Tacca.
| . Tacca |
- Tagetes.
| Mexican or French marigold. Tagetes |
- Talinum.
| fameflower. Talinum |
- Tamarix.
| tamarisk. Tamarix |
- Tanacetum.
| tansy. Tanacetum |
- Tanakaea.
| . Tanakaea |
- Tanakea.
| . Tanakea |
- Tapeinochilus.
| . Tapeinochilus |
- Taxodium.
| bald cypress. Taxodium |
- Taxus.
| yew. Taxus |
- Tecoma.
| plant. Tecoma |
- Tecomanthe.
| . Tecomanthe |
- Tecomaria.
| . Tecomaria |
- Tecophilaea.
| . Tecophilaea |
- Telekia.
| . Telekia |
- Telephium.
| . Telephium |
- Tellima.
| . Tellima |
- Telopea.
| waratah. Telopea |
- Templetonia.
| . Templetonia |
- Terminalia.
| plant. Terminalia |
- Ternstroemia.
| . Ternstroemia |
- Tetracentron.
| . Tetracentron |
- Tetradium.
| bee tree. Tetradium |
- Tetranema.
| . Tetranema |
- Tetraneuris.
| . Tetraneuris |
- Tetrapanax.
| . Tetrapanax |
- Tetrastigma.
| . Tetrastigma |
- Tetratheca.
| . Tetratheca |
- Teucrium.
| . Teucrium |
- Thalia.
| plant. Thalia |
- Thalictrum.
| . Thalictrum |
- Thelesperma.
| . Thelesperma |
- Thelocactus.
| . Thelocactus |
- Thelypteris.
| . Thelypteris |
- Thermopsi.
| . Thermopsi |
- Thespesia.
| . Thespesia |
- Thevetia.
| . Thevetia |
- Thlaspi.
| . Thlaspi |
- Thrinax.
| thatch palm. Thrinax |
- Thryptomene.
| heath myrtle. Thryptomene |
- Thuja.
| thuja, arborvitae. Thuja |
- Thujopsis.
| hiba. Thujopsis |
- Thunbergia.
| . Thunbergia |
- Thymophylla.
| . Thymophylla |
- Thymus.
| thyme. Thymus |
- Tiarella.
| . Tiarella |
- Tibouchina.
| . Tibouchina |
- Tigridia.
| . Tigridia |
- Tilia.
| linden. Tilia |
- Tillandsia.
| air plant, Spanish moss. Tillandsia |
- Tipuana.
| . Tipuana |
- Titanopsis.
| . Titanopsis |
- Tithonia.
| Mexican sunflower. Tithonia |
- Todea.
| . Todea |
- Tolmiea.
| . Tolmiea |
- Tolpis.
| . Tolpis |
- Toona.
| . Toona |
- Torenia.
| . Torenia |
- Torreya.
| nutmeg yew. Torreya |
- Tovara.
| . Tovara |
- Townsendia.
| . Townsendia |
- Trachelium.
| . Trachelium |
- Trachelospermum.
| . Trachelospermum |
- Trachycarpus.
| chusan palm. Trachycarpus |
- Trachymene.
| . Trachymene |
- Tradescantia.
| spiderwort. Tradescantia |
- Trapa.
| water caltrop. Trapa |
- Trichodiadema.
| . Trichodiadema |
- Trichosanthes.
| . Trichosanthes |
- Tricyrtis.
| toad lily. Tricyrtis |
- Trientalis.
| . Trientalis |
- Trifolium.
| Shamrock - seamair bhán - The Irish Shamrock. Trifolium repens White clover |
- Trillium.
| . Trillium |
- Tripetaleia.
| . Tripetaleia |
- Tripterygium.
| . Tripterygium |
- Triteleia.
| triplet lily. Triteleia |
- Tritonia.
| . Tritonia |
- Trochodendron.
| . Trochodendron |
- Trollius.
| globeflower. Trollius |
- Tropaeolum.
| nasturtium. Tropaeolum |
- Tsuga.
| hemlock. Tsuga |
- Tsusiophyllum.
| . Tsusiophyllum |
- Tuberaria.
| . Tuberaria |
- Tulbaghia.
| . Tulbaghia |
- Tulipa.
| tulip. Tulipa |
- Tweedia.
| . Tweedia |
- Tylecodon.
| . Tylecodon |
- Typha.
| cattail. Typha |
-
| |
- Top
|
|
- Uebelmannia.
| . Uebelmannia |
- Ugni.
| . Ugni |
- Ulex.
| gorse. Ulex |
- Ulmus.
| elm. Ulmus |
- Umbellularia.
| . Umbellularia |
- Uncinia.
| . Uncinia |
- Uniola.
| . Uniola |
- Urceolina.
| . Urceolina |
- Urginea.
| . Urginea |
- Ursinia.
| . Ursinia |
- Utricularia.
| bladderwort. Utricularia |
- Uvularia.
| merrybells, bellwort. Uvularia |
-
| |
- Top
|
|
- Vaccinium.
| blueberry, cranberry, huckleberry. Vaccinium |
- Valeriana.
| valerian. Valeriana |
- Vallea.
| . Vallea |
- Vancouveria.
| . Vancouveria |
- Vanda.
| an orchid genus. Vanda |
- Vanilla.
| . Vanilla |
- Veitchia.
| . Veitchia |
- Vellozia.
| . Vellozia |
- Veltheimia.
| . Veltheimia |
- Venidium.
| cape daisy and others. Venidium |
- Veratrum.
| . Veratrum |
- Verbascum.
| mullein. Verbascum |
- Verbena.
| . Verbena |
- Vernonia.
| ironweed. Vernonia |
- Veronica.
| speedwell. Veronica |
- Veronicastrum.
| . Veronicastrum |
- Verticordia.
| . Verticordia |
- Vestia.
| . Vestia |
- Viburnum.
| . Viburnum |
- Victoria.
| Giant Waterlily. Victoria |
- Vigna.
| cowpea and various beans. Vigna |
- Viguiera.
| . Viguiera |
- Vinca.
| periwinkle. Vinca |
- Viola.
| pansy, violet. Viola |
- Virgilia.
| . Virgilia |
- Viscaria.
| . Viscaria |
- Vitaliana.
| . Vitaliana |
- Vitex.
| . Vitex |
- Vitis.
| grape. Vitis |
- Vriesea.
| . Vriesea |
-
| |
- Top
|
|
- Wachendorfia.
| . Wachendorfia |
- Wahlenbergia.
| . Wahlenbergia |
- Waldsteinia.
| . Waldsteinia |
- Washingtonia.
| . Washingtonia |
- Watsonia.
| . Watsonia |
- Weberocereus.
| . Weberocereus |
- Wedelia.
| . Wedelia |
- Weigela.
| . Weigela |
- Weingartia.
| . Weingartia |
- Weldenia.
| . Weldenia |
- Welwitschia.
| . Welwitschia |
- Westringia.
| . Westringia |
- Widdringtonia.
| . Widdringtonia |
- Wigandia.
| . Wigandia |
- Wigginsia.
| . Wigginsia |
- Wikstroemia.
| . Wikstroemia |
- Wilsonaria.
| hybrid orchid genus. Wilsonaria |
- Wisteria.
| . Wisteria |
- Wittrockia.
| . Wittrockia |
- Wolffia.
| . Wolffia |
- Woodsia.
| . Woodsia |
- Woodwardia.
| chain fern. Woodwardia |
- Worsleya.
| . Worsleya |
- Wulfenia.
| . Wulfenia |
-
| . |
- Top
|
|
- Xanthoceras.
| . Xanthoceras |
- Xanthorhiza.
| . Xanthorhiza |
- Xanthosoma.
| . Xanthosoma |
- Xeranthemum.
| . Xeranthemum |
- Xerophyllum.
| . Xerophyllum |
- Xylosma.
| . Xylosma |
-
| |
- Top
|
|
- Yucca.
| . Yucca |
- Yushania.
| . Yushania |
- Yuugao.
| . Yuugao |
-
| . |
- Top
|
|
- Zaluzianskya.
| . Zaluzianskya |
- Zamia.
| . Zamia |
- Zantedeschia.
| calla lily. Zantedeschia |
- Zanthoxylum.
| . Zanthoxylum |
- Zauschneria.
| . Zauschneria |
- Zea.
| maize. Zea |
- Zelkova.
| . Zelkova |
- Zenobia.
| . Zenobia |
- Zephyranthes.
| . Zephyranthes |
- Zigadenus.
| . Zigadenus |
- Zinnia.
| . Zinnia |
- Zizania.
| wild rice. Zizania |
- Zygopetalum.
| South American Orchid Genus. Zygopetalum |