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Abutilon 'Patricia'
Acacia constricta
Acacia greggii
Acaena magellanica magellanica
Acanthus spinosus
Acer laevigatum
Acer palmatum
Achillea millefolium
Aconitum napellus
Adenium obesum
Adiantum pedatum
Agave americana aureo-marginata
Agave arizonica
Agave attenuata
Agave bracteosa
Agave chiapensis
Agave deserti
Agave falcata var. espadina
Agave ferox
Agave flexispina
Agave gentryi
Agave guadalajarana
Agave inaequidens
Agave lechuguilla
Agave leopoldii
Agave mckelveyana
Agave missionum
Agave murpheyi
Agave ocahui
Agave pachycentra
Agave palmeri
Agave parviflora
Agave polyacantha
Agave schidigera 'Durango Delight'
Agave schidigera
Agave shawii
Agave tequilana
Agave toumeyana
Agave utahensis
Agave victoriae-reginae
Agave vilmoriniana
Alcea rosea
Allamanda neriifolia
Allionia incarnata
Alluaudia ascendens
Aloe 'Blue Elf'
Aloe africana
Aloe dorotheae
Aloe karasbergensis
Aloe marlothii
Aloe mitriformis
Aloe polyphylla
Aloe saponaria
Aloe somaliensis
Aloe striatula
Aloe swynnertonii
Aloe vanbalenii
Alstroemeria revoluta
Amaranthus cruentus
Amaryllis belladonna
Ambrosia dumosa
Amsonia tomentosa
Anacampseros alsonii
Aquilegia chrysantha
Arctostaphylos catalinae
Arctostaphylos cruzensis
Arctostaphylos edmundsii
Arctostaphylos morroensis
Arctostaphylos otayensis
Arctostaphylos parryana
Arctostaphylos pumila
Argyroderma fissum
Ariocarpus retusus
Ariocarpus fissuratus
Ariocarpus scaphirostris
Arisaema consanguineum
Aristida purpurea
Aristolochia macrophylla
Armatocereus riomajensis
Artemisia pycnocephala
Artemisia versicolor 'Seafoam'
Asclepias curassavica cv. 'Silky Gold'
Asclepias subulata
Asteriscus maritimus
Astilbe arendsii
Astroloba skinneri
Astrophytum capricorne
Astrophytum ornatum
Athyrium niponicum
Atriplex hymenelytra
Aubrieta deltoidea
Azara petiolaris
Aztekium ritteri
Azureocereus imperator
