Explore 23,508 Species
brook wakerobin
Pseudotrillium rivale (S.Watson) S.B.Farmer
Pseudotrillium rivale is a trillium-like perennial herb endemic to the Siskiyou …
Bigcone Douglas-fir
Pseudotsuga macrocarpa (Vasey) Mayr
Pseudotsuga macrocarpa is a California conifer adapted to wildfire, with suspect…
Douglas-fir
Pseudotsuga menziesii (Mirb.) Franco
Pseudotsuga menziesii, Douglas-fir, is a large evergreen timber tree native to w…
Tower Cress
Pseudoturritis turrita (L.) Al-Shehbaz
Pseudoturritis is a Brassicaceae flowering plant genus with a single native bien…
Lowland Horopito
Pseudowintera axillaris (J.R.Forst. & G.Forst.) Dandy
Pseudowintera axillaris (lowland horopito) is a primitive flowering tree endemic…
Mountain Horopito
Pseudowintera colorata (Raoul) Dandy
Pseudowintera colorata (mountain horopito) is a New Zealand evergreen shrub or s…
California crucillo
Pseudoziziphus parryi (Torr.) Hauenschild
Pseudoziziphus parryi is a thorny deciduous shrub native to desert and chaparral…
strawberry-guava
Psidium cattleianum Afzel. ex Sabine
Psidium cattleianum is a small tree native to Brazil, grown for edible fruit and…
Common guava
Psidium guajava L.
Psidium guajava L., or guava, is a widely cultivated edible fruit tree with many…
Brazilian Guava
Psidium guineense Sw.
Psidium guineense Sw. is an American myrtle shrub or tree with edible fruits, us…
low woolly marbles
Psilocarphus brevissimus Nutt.
Psilocarphus brevissimus Nutt. is a small woolly annual herb with distinctive co…
slender woolly-marbles
Psilocarphus tenellus Nutt.
Psilocarphus tenellus Nutt. is a small woolly annual herb that produces tiny cot…
Whitestem Paperflower
Psilostrophe cooperi (A.Gray) Greene
Psilostrophe cooperi is a low perennial shrub with yellow daisy-like flower head…
woolly paperflower
Psilostrophe tagetina (Nutt.) Greene
Psilostrophe tagetina, or woolly paperflower, is a daisy family flowering plant …
skeleton fork fern
Psilotum nudum (L.) P.Beauv.
Psilotum nudum, the rootless, nonflowering whisk fern, has a wide tropical to te…
Psittacanthus calyculatus (DC.) G.Don
Psittacanthus calyculatus (DC.) G.Don
Psittacanthus calyculatus is a mistletoe that infects conifers, has bird-dispers…
Tree Fountainbush
Psoralea arborea Sims
Psoralea arborea Sims is a legume shrub or tree endemic to the Cape Provinces of…
Tree Fountainbush
Psoralea pinnata L.
Psoralea pinnata L. is a flowering legume native to South Africa, invasive in pa…
Mojave Indigobush
Psorothamnus arborescens (Torr. ex A.Gray) Barneby
Psorothamnus arborescens is a purple-flowered shrub native to dry, desert habita…
Dyebush
Psorothamnus emoryi (A.Gray) Rydb.
Psorothamnus emoryi is a 1–1m tall fragrant shrub used for dyes and stains, with…
Nevada smokebush
Psorothamnus polydenius (Torr.) Rydb.
Psorothamnus polydenius is a glandular, hairy shrub that produces pinkish purple…
indigo-bush
Psorothamnus schottii (Torr.) Barneby
Psorothamnus schottii is a glandular shrub that produces deep purple-blue pea fl…
Broom Dalea
Psorothamnus scoparius (A.Gray) Rydb.
Psorothamnus scoparius (broom dalea) is a small broom-like shrub native to the s…
Smoketree
Psorothamnus spinosus (A.Gray) Barneby
Psorothamnus spinosus is a perennial North American desert legume tree native to…