Cyperaceae
Carex nudata W.Boott
Carex nudata W.Boott
Carex nudata W.Boott is a bright green mounding sedge found in Washington, Oregon, and California in coastal and montane habitats.
Carex obnupta L.H.Bailey
Carex obnupta L.H.Bailey
Carex obnupta is a native North American sedge that grows in wet, often saline habitats like wetlands.
Carex oederi Retz.
Carex oederi Retz.
Carex oederi Retz. (Carex viridula) is a small flowering sedge native to North America, Europe, Asia, and Morocco.
Carex oligocarpa Willd.
Carex oligocarpa Willd.
Carex oligocarpa is a perennial Carex species native to North America, with several common names.
Carex oligosperma Michx.
Carex oligosperma Michx.
Carex oligosperma Michx. is a perennial Carex species with several common names and one distinct variety.
Carex otrubae Podp.
Carex otrubae Podp.
Carex otrubae Podp. is a sedge species found across Eurasia that grows in lowland heavy-soil wetlands.
Carex paleacea Schreb. ex Wahlenb.
Carex paleacea Schreb. ex Wahlenb.
Carex paleacea (chaffy sedge) is an obligate wetland Carex species that occurs in salt marshes 99% of the time under favorable conditions.
Carex pallescens L.
Carex pallescens L.
Carex pallescens (pale sedge) is a widespread flowering plant with unstable chromosome numbers, native to multiple regions across North America, Europe, North Africa, and western Asia.
Carex panicea L.
Carex panicea L.
Carex panicea (carnation sedge) is a grass-like Cyperaceae species found in parts of Europe and North America.
Carex paniculata L.
Carex paniculata L.
Carex paniculata, the greater tussock-sedge, is a 1.5m tall flowering sedge native to parts of Europe, Asia, and North America.
Carex pauciflora Lightf.
Carex pauciflora Lightf.
Carex pauciflora Lightf. is a circumboreal perennial sedge of acidic wetlands, assessed globally as least concern with threatened local populations.
Carex peckii Howe
Carex peckii Howe
Carex peckii Howe is a North American sedge that forms clonal colonies, growing among trees from dry to wet sites as a host for Uromyces perigynius.
Carex pediformis C.A.Mey.
Carex pediformis C.A.Mey.
Carex pediformis C.A.Mey. is a Eurasian forest-steppe specialist sedge species in the genus Carex.
Carex pedunculata Muhl. ex Willd.
Carex pedunculata Muhl. ex Willd.
Carex pedunculata is a small evergreen tussock sedge that colonizes woodland openings in North America.
Carex pellita Muhl. ex Willd.
Carex pellita Muhl. ex Willd.
Carex pellita is a North American native sedge that grows in various habitats and has distinct woolly-fruited features.
Carex pendula Huds.
Carex pendula Huds.
Carex pendula Huds. is a tall perennial tuft-forming sedge with a documented introduced range in New Zealand and parts of the United States.
Carex pensylvanica Lam.
Carex pensylvanica Lam.
Carex pensylvanica (Pennsylvania sedge) is a North American native sedge often dominant in invaded hardwood forest understories.
Carex pilosa Scop.
Carex pilosa Scop.
Carex pilosa Scop. is a 60 cm tall perennial that blooms April to May, preferring various woodland habitats.
Carex pilulifera L.
Carex pilulifera L.
Carex pilulifera L. is a densely tufted sedge with a broad European distribution whose seeds are dispersed by ants.
Carex plantaginea Lam.
Carex plantaginea Lam.
Carex plantaginea Lam. grows up to 0.9 m tall and is distributed across much of eastern North America.
Carex platyphylla J.Carey
Carex platyphylla J.Carey
Carex platyphylla is a native North American ornamental sedge that favors dry shaded forest habitats.
Carex praecox Schreb.
Carex praecox Schreb.
Carex praecox, the spring sedge, is a flowering Carex species native to Europe, western Asia and Mongolia.
Carex prasina Wahlenb.
Carex prasina Wahlenb.
Carex prasina (drooping sedge) is a Cyperaceae flowering plant native to eastern North America, found in wet deciduous forest spots.
Carex projecta Mack.
Carex projecta Mack.
Necklace sedge (Carex projecta) is a species of sedge first described by Kenneth Mackenzie in 1908.
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