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Smithsonian National Museum of Natural History
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Drawing of a botanical specimen

Click on the illustrations below to learn more about these endangered plant species, view larger illustrations, see real specimens from the Museum’s herbarium collection, and learn more about the professional botanical artists that illustrated each plant.

Smithsonian Institution = Contains specimen from the museum's collection.

Wollemi pine, Wollemia Nobilis
Wollemi pine
Wollemia nobilis

Smithsonian Institution
Ring gentian, Symbolanthus Jasonii
Ring gentian
Symnolanthus jasonii

Marsh gentian, Gentiana Pneumonanthe
Marsh gentian
Gentiana pneumonanthe

Smithsonian Institution
Cyprus tulip, Tulipa cypria
Cyprus tulip
Tulipa cypria

Magenta lilly pilly, Syzygium paniculatum
Magenta lilly pilly
Syzgium Paniculatum

Negev iris, Iris Mariael
Negev iris
Iris mariae

Painted trillium, Trillium Undulatum
Painted trillium
Trillium undulatum

Smithsonian Institution
Fuzzywuzzy airplant, Tillandsia Pruinosa
Fuzzywuzzy airplant
Tillandsia pruinosa

Smithsonian Institution
Moss, Italiella Ulei
Moss
Itatiella ulei

Smithsonian Institution
Blue latan palm, Latania loddegesii
Blue latan palm
Latania loddegesii

Smithsonian Institution
Green ixia, Ixia viridiflora
Green ixia
Ixia viridiflora

Smithsonian Institution
Golden barrel cactus, Echinocactus grusonii
Golden barrel cactus
Echinocactus grusonii

Smithsonian Institution
Tupa rosada, Lobelia bridgesii
Tupa rosada
Lobelia bridgesii

Smithsonian Institution
Santa Cruz cyprus, Cupressus abramsiana
Santa Cruz cyprus
Cupressus abramsiana

Large yellow lady’s slipper, Cypripedium parviflorum var. makasin
Large yellow lady’s slipper
Cypripedium parviflorum var. makasin

Smithsonian Institution
Arctomecon humilis
Dwarf bear-claw poppy Arctomecon humilis
Smithsonian Institution
Tupa rosada, Lobelia bridgesii
Yellow pitcher plant
Sarracenia flava

Smithsonian Institution
Wood lily, Lilium philadelphicum var. philadelphicum
Wood lily
Lilium philadelphicum var. philadelphicum

Goldenseal, Hydrastis canadensis
Goldenseal
Hydrastis canadensis

Smithsonian Institution
Hibiscus, Hibiscadelphus distans,
Hibiscus brackenridgei, H. kokio ssp.
saintjohnianus, H. clayi
Hibiscus
Hibiscadelphus distans, Hibiscus brackenridgei, H. kokio ssp. saintjohnianus, H. clayi

Smithsonian Institution
Stenogyne, Stenogyne kauaulaensis
Stenogyne
Stenogyne kauaulaensis

Bog asphodel, Narthecium americanum
Bog asphodel
Narthecium americanum

Smithsonian Institution
Heath, Erica verticillata
Heath
Erica verticillata

Smithsonian Institution
Royal catchfly, Silene regia
Royal catchfly
Silene regia

Smithsonian Institution
Bowl flower, Cypripedium japonicum
Bowl flower
Cypripedium japonicum

Smithsonian Institution
Moccasin flower, Cypripedium acaule
Moccasin flower
Cypripedium acaule

Smithsonian Institution
Ghost orchid, Polyrrhiza lindenii
Ghost orchid
Dendrophylax lindenii

Smithsonian Institution
Atamasco lily, Zephyranthes atamasca
Atamasco lily
Zephyranthes atamasca

Smithsonian Institution
Louisiana quillwort, Isoetes louisianensis
Louisiana quillwort
Isoetes louisianensis

Lakeside daisy, Hymenoxys herbacea
Lakeside daisy
Tetraneuris herbacea

Pima pineapple cactus, Coryphantha robustispina ssp. robustispina
Pima pineapple cactus
Coryphantha robustispina ssp. robustispina

Orchid, Lycaste macrophylla
Orchid
Lycaste macrophylla

Smithsonian Institution
Slipper orchid, Phragmipedium kovachii
Slipper orchid
Phragmipedium kovachii

Pitcher's thistle, Cirsium pitcheri
Pitcher's thistle
Cirsium pitcheri

Smithsonian Institution
Glade mallow, Napaea dioica
Glade mallow
Napaea dioica

Smithsonian Institution
Longolongo, Cycas rumphii
Longolongo
Cycas seemannii

Iris, Iris winogradowii
Iris
Iris winogradowii

Large witch-hazel, Fothergilla major
Large witch-alder
Fothergilla major

Smithsonian Institution
Hawai’i tree cotton, Kokia drynarioides
Hawai'i tree cotton
Kokia drynarioides

Smithsonian Institution
Cyperus-like sedge, Carex pseudo-cyperus
Cyperus-like sedge
Carex pseudo-cyperus

Smithsonian Institution
Begonia, Begonia samhaensis
Begonia
Begonia samhaensis

Small whorled pogonia, Isotria medeoloides
Small whorled pogonia
Isotria medeoloides

Mortoniodendron, Mortoniodendron uxpanapense
Mortoniodendron
Mortoniodendron uxpanapense

Smithsonian Institution
Slipper orchid, Paphiopedilum vietnamense
Slipper orchid
Paphiopedilum vietnamense

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