Explore 61,963 Species
Cirsium palustre (L.) Scop.
Cirsium palustre (L.) Scop.
Cirsium palustre is a tall Eurasian thistle, invasive in North America, that ran…
Cirsium pitcheri (Torr. ex Eaton) Torr. & A.Gray
Cirsium pitcheri (Torr. ex Eaton) Torr. & A.Gray
Cirsium pitcheri, or Pitcher's thistle, is a monocarpic sand dune thistle native…
Cirsium pumilum (Nutt.) Spreng.
Cirsium pumilum (Nutt.) Spreng.
Cirsium pumilum (pasture thistle) is a North American thistle native to central/…
Cirsium quercetorum (A.Gray) Jeps.
Cirsium quercetorum (A.Gray) Jeps.
Cirsium quercetorum is a perennial thistle endemic to California’s Outer Coast R…
Cirsium rhothophilum S.F.Blake
Cirsium rhothophilum S.F.Blake
Surf thistle (Cirsium rhothophilum) is a rare endemic California thistle that gr…
Cirsium rivulare (Jacq.) All.
Cirsium rivulare (Jacq.) All.
Cirsium rivulare is a European perennial thistle, and its popular deep crimson c…
Cirsium scariosum Nutt.
Cirsium scariosum Nutt.
Cirsium scariosum Nutt. is a highly variable biennial or perennial thistle with …
Cirsium spinosissimum (L.) Scop.
Cirsium spinosissimum (L.) Scop.
Cirsium spinosissimum (spiniest thistle) is a spiny European thistle that grows …
Cirsium texanum Buckley
Cirsium texanum Buckley
Cirsium texanum (Texas thistle) is a North American thistle that provides food f…
Cirsium undulatum (Nutt.) Spreng.
Cirsium undulatum (Nutt.) Spreng.
Cirsium undulatum, the wavyleaf or gray thistle, is a perennial North American t…
Cirsium vulgare (Savi) Ten.
Cirsium vulgare (Savi) Ten.
Cirsium vulgare, or spear thistle, is a spiny flowering thistle with documented …
Cissampelos pareira L.
Cissampelos pareira L.
Cissampelos pareira L. is a climbing plant with documented traditional medicinal…
Cissus erosa (L.) Rich.
Cissus erosa (L.) Rich.
Cissus erosa (L.) Rich. is widely distributed in Mexico, Central America, South …
Cissus quadrangularis L.
Cissus quadrangularis L.
Cissus quadrangularis L. is a fast-growing evergreen climber, long used traditio…
Cissus trifoliata (L.) L.
Cissus trifoliata (L.) L.
Cissus trifoliata is a poisonous New World woody vine in the grape family native…
Cissus verticillata (L.) Nicolson & C.E.Jarvis
Cissus verticillata (L.) Nicolson & C.E.Jarvis
Cissus verticillata is a tropical forest woody liana vine with various recorded …
Cistanche phelypaea (L.) Cout.
Cistanche phelypaea (L.) Cout.
Cistanche phelypaea is a chlorophyll-free obligate parasitic plant with yellow f…
Cistus albidus L.
Cistus albidus L.
Cistus albidus L. is a hairy grey-leaved Mediterranean shrub that produces purpl…
Cistus clusii Dunal
Cistus clusii Dunal
Cistus clusii Dunal is a small branched Mediterranean shrub with white flowers a…
Cistus creticus L.
Cistus creticus L.
Cistus creticus is a variable decorative Mediterranean shrubby Cistaceae species…
Cistus crispus L.
Cistus crispus L.
Cistus crispus L. is a small flowering shrub native to north Africa and south-we…
Cistus inflatus Pourr. ex Demoly
Cistus inflatus Pourr. ex Demoly
Cistus inflatus is a small white-flowered shrub native to parts of the Iberian P…
Cistus ladanifer L.
Cistus ladanifer L.
Cistus ladanifer L. is a resin-producing Mediterranean shrub grown as an ornamen…
Cistus laurifolius L.
Cistus laurifolius L.
Cistus laurifolius, the mountain rockrose, is a widely cultivated Mediterranean …
