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Cyperaceae source details

Jermy, A.C.; Simpson, D.A.; Foley, M.J.Y.; Porter, M.S. (2007). Sedges of the British Isles. 554 pp. Botanical Society of Britain & Ireland, United Kingdom.
483128
Jermy, A.C.; Simpson, D.A.; Foley, M.J.Y.; Porter, M.S.
2007
Sedges of the British Isles
554 pp. Botanical Society of Britain & Ireland, United Kingdom
Publication
Available for editors  PDF available [request]
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2024-04-08 11:55:51Z
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2025-06-17 16:09:00Z
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Blysmus compressus (L.) Panzer ex Link (taxonomy source)
Blysmus rufus (Huds.) Link (taxonomy source)
Bolboschoenus maritimus (L.) Palla (taxonomy source)
Carex ×salina Wahlenb. (taxonomy source)
Carex acuta L. (taxonomy source)
Carex acutiformis Ehrh. (taxonomy source)
Carex appropinquata Schumach. (taxonomy source)
Carex aquatilis Wahlenb. (taxonomy source)
Carex arenaria L. (taxonomy source)
Carex atrata L. (taxonomy source)
Carex atrofusca Schkuhr (taxonomy source)
Carex beckmannii Keck represented as Carex ×beckmannii Keck (taxonomy source)
Carex bigelowii Torr. ex Schwein. (taxonomy source)
Carex binervis Sm. (taxonomy source)
Carex boenninghausiana Weihe represented as Carex ×boenninghausiana Weihe (taxonomy source)
Carex buxbaumii Wahlenb. (taxonomy source)
Carex canescens L. (taxonomy source)
Carex capillaris L. (taxonomy source)
Carex caryophyllea Latourr. (taxonomy source)
Carex chordorrhiza L.f. (taxonomy source)
Carex depauperata Curtis ex Woodw. (taxonomy source)
Carex diandra Schrank (taxonomy source)
Carex digitata L. (taxonomy source)
Carex dioica L. (taxonomy source)
Carex distans L. (taxonomy source)
Carex disticha Huds. (taxonomy source)
Carex divisa Huds. (taxonomy source)
Carex divulsa Stokes (taxonomy source)
Carex divulsa subsp. divulsa Stokes accepted as Carex divulsa Stokes (taxonomy source)
Carex divulsa subsp. leersii (Kneuck.) W.Koch accepted as Carex leersii F.W.Schultz (taxonomy source)
Carex echinata Murray (taxonomy source)
Carex elata All. (taxonomy source)
Carex elongata L. (taxonomy source)
Carex ericetorum Pollich (taxonomy source)
Carex extensa Gooden. (taxonomy source)
Carex filiformis L. accepted as Carex montana L. (taxonomy source)
Carex flacca Schreb. (taxonomy source)
Carex flava L. (taxonomy source)
Carex hirta L. (taxonomy source)
Carex hostiana DC. (taxonomy source)
Carex humilis Leyss. (taxonomy source)
Carex lachenalii Schkuhr (taxonomy source)
Carex laevigata Sm. (taxonomy source)
Carex lasiocarpa Ehrh. (taxonomy source)
Carex leporina L. (taxonomy source)
Carex limosa L. (taxonomy source)
Carex ludibunda J.Gay represented as Carex ×ludibunda J.Gay (taxonomy source)
Carex magellanica Lam. (taxonomy source)
Carex maritima Gunnerus (taxonomy source)
Carex microglochin Wahlenb. (taxonomy source)
Carex montana L. (taxonomy source)
Carex muricata subsp. muricata L. (taxonomy source)
Carex muricata subsp. pairae (F.W.Schultz) Čelak. accepted as Carex pairae F.W.Schultz (taxonomy source)
Carex nigra (L.) Reichard (taxonomy source)
Carex norvegica Retz. (taxonomy source)
Carex ornithopoda Willd. (taxonomy source)
Carex otrubae Podp. (taxonomy source)
Carex pallescens L. (taxonomy source)
Carex panicea L. (taxonomy source)
Carex paniculata L. (taxonomy source)
Carex pauciflora Lightf. (taxonomy source)
Carex pendula Huds. (taxonomy source)
Carex pilulifera L. (taxonomy source)
Carex pseudocyperus L. (taxonomy source)
Carex pulicaris L. (taxonomy source)
Carex punctata Gaudin (taxonomy source)
Carex rariflora (Wahlenb.) Sm. (taxonomy source)
Carex recta Boott (taxonomy source)
Carex remota L. (taxonomy source)
Carex riparia Curtis (taxonomy source)
Carex rostrata Stokes (taxonomy source)
Carex rotae De Not. represented as Carex ×rotae De Not. (taxonomy source)
Carex rupestris All. (taxonomy source)
Carex saxatilis L. (taxonomy source)
Carex spicata Huds. (taxonomy source)
Carex strigosa Huds. (taxonomy source)
Carex sylvatica Huds. (taxonomy source)
Carex trinervis Degl. (taxonomy source)
Carex vaginata Tausch (taxonomy source)
Carex vesicaria L. (taxonomy source)
Carex viridula Michx. accepted as Carex oederi var. oederi accepted as Carex oederi Retz. (taxonomy source)
Carex viridula subsp. brachyrrhyncha (Čelak.) B.Schmid accepted as Carex lepidocarpa Tausch (taxonomy source)
Carex viridula subsp. oedocarpa (Andersson) B.Schmid accepted as Carex demissa subsp. demissa Hornem. (taxonomy source)
Carex viridula subsp. viridula Michx. (taxonomy source)
Carex vulpina L. (taxonomy source)
Cladium mariscus (L.) Pohl (taxonomy source)
Cyperus eragrostis Lam. (taxonomy source)
Cyperus fuscus L. (taxonomy source)
Cyperus longus L. (taxonomy source)
Eleocharis acicularis (L.) Roem. & Schult. (taxonomy source)
Eleocharis mamillata subsp. austriaca (Hayek) Strandh. (taxonomy source)
Eleocharis multicaulis (Sm.) Desv. (taxonomy source)
Eleocharis palustris (L.) Roem. & Schult. (taxonomy source)
Eleocharis palustris subsp. palustris (L.) Roem. & Schult. (taxonomy source)
Eleocharis palustris subsp. vulgaris Walters accepted as Eleocharis palustris subsp. waltersii Bureš & Danihelka (taxonomy source)
Eleocharis parvula (Roem. & Schult.) Link ex Bluff, Nees & Schauer (taxonomy source)
Eleocharis quinqueflora (Hartmann) O.Schwarz (taxonomy source)
Eleocharis uniglumis (Link) Schult. (taxonomy source)
Eriophorum angustifolium Honck. (taxonomy source)
Eriophorum gracile Roth (taxonomy source)
 Description

Rhizomes long-creeping. Stems 4–45 cm × 0.5–1.5 mm, solitary or tufted, terete to trigonous above, ... [details]

 Description

Rhizomes short- to medium-creeping. Stems 3–45 cm × 0.4–1.6 mm, solitary or tufted, terete to trigonous above, ... [details]

 Description

hizomes wide-creeping, c. 2 mm wide, becoming wiry and black. Stems 10–100 cm × 3–4 mm, usually solitary, ... [details]

 Description

Rhizomes far-creeping; shoots tufted; roots rich brown-grey; scales red-brown, often blackened, persistent. Stems ... [details]

 Description

Rhizomes far-creeping; shoots tufted (occasionally tussocky); roots red to brown; scales red-brown, often soon ... [details]

 Description

Rhizomes far-creeping; shoots tufted; roots brown, often dark; scales grey-brown, soon fibrous. Stems 60–150 cm, ... [details]

 Description

Rhizomes very short, ascending, usually forming dense tussocks up to 1 m high and 80 cm in diameter; roots thick, ... [details]

 Description

Rhizomes far-creeping; shoots tufted; roots red-brown, up to 2 mm thick, much branched; scales orange- or red-brown, ... [details]

 Description

Rhizomes far-creeping; shoots usually single, at about every fourth node; roots pale brown, much branched; scales dark ... [details]

 Description

Rhizomes short; shoots tufted; roots pale brown; scales brownish or reddish-purple, persistent. Stems (25–)30–55 ... [details]

 Description

Rhizomes shortly creeping, with shoots in loose tufts; roots yellowish; scales pale brown, soon decaying. Stems ... [details]

 Description

Intermediate between its parents in height, leaf width and inflorescence length, this sterile hybrid can also be ... [details]

 Description

Rhizomes short- or long-creeping; shoots solitary or in pairs, ± close together; roots often as thick as rhizomes, ... [details]

 Description

Rhizomes shortly creeping, with tufted shoots, thick grey-brown roots and persistent orange-brown scales; stems ... [details]

 Description

Thishybrid is intermediate between the parents in habit, stem length, leaf width, presence and length of bracts, ... [details]

 Description

Rhizomes shortly creeping; shoots single or in small tufts; roots pale yellow-brown; scales shiny, ... [details]

 Description

Rhizomes very shortly creeping; shoots loosely tufted; roots pale brown or whitish; scales pale or pink-brown, ... [details]

 Description

Rhizomes short; shoots in ± open tufts; roots slender, purple-brown; scales dark brown or red-brown, soon becoming ... [details]

 Description

Rhizomes shortly creeping, with loosely tufted shoots; roots dark brown or purple-brown; scales mid brown, often ... [details]

 Description

Rhizomes far-creeping, often ascending; shoots solitary, arising from elongated, decumbent base of flowering stem; ... [details]

 Description

Rhizomes shortly creeping, with few shoots that are loosely tufted or forming substantial tussocks in good ... [details]

 Description

Rhizomes shortly creeping; shoots clustered, forming a loose tussock or appearing at ± regular intervals; roots ... [details]

 Description

Rhizomes short and branched, with tufted shoots of two kinds: apical leafy shoots with overwintering terminal buds ... [details]

 Description

Plants dioecious. Rhizomes shortly creeping; shoots loosely tufted, often decumbent; roots often as thick as ... [details]

 Description

Rhizomes short, with shoots ± densely tufted, red-brown roots and dark brown to black (rarely wine-red) scales; ... [details]

 Description

Rhizomes far-creeping; shoots single or in pairs, often 14–16 nodes apart; roots grey-brown, much branched; scales ... [details]

 Description

Rhizomes thick, woody, persistent, sometimes far-creeping and branched; shoots ± densely clustered, arising from ... [details]

 Description

Rhizomes short; shoots in ± dense tufts 10–20 cm across; roots thick, grey brown; scales dark brown with black ... [details]

 Description

Rhizomes short; shoots in ± dense tufts 10–20 cm across; roots thick, grey brown; scales dark brown with black ... [details]

 Description

Rhizomes very short; shoots densely tufted; roots whitish; scales pale brown, persistent. Stems 10–40(–60) cm, ... [details]

 Description

Rhizomes very short, erect, forming dense tussocks up to 40 cm high; roots 2 mm thick, purple-brown; scales light ... [details]

 Description

Rhizomes short; shoots densely tufted, forming substantial tussocks in older populations; roots pale brown; scales ... [details]

 Description

Rhizomes shortly creeping, with tufted shoots often forming a close mat; roots dark brown or purple-brown; scales ... [details]

 Description

Rhizomes short, with shoots often forming large tufts; roots red-brown, often stained black, and scales dark ... [details]

 Description

Rhizomes long-creeping, often very slender, sometimes forming dense patches; shoots 2–3 per tuft; roots pale; ... [details]

 Description

Rhizomes often far-creeping, wiry; shoots loosely tufted; roots pale grey-brown; scales purplish-brown or red-brown, ... [details]

 Description

Rhizomes short, with 2–4 tufted shoots; roots pale buff-brown and bleached scales that become fibrous. Stems ... [details]

 Description

Rhizomes often far-creeping; shoots tufted; roots often much branched, pale brown; scales brown or red-brown, ... [details]

 Description

Rhizomes shortly creeping, with shoots hardly tufted; roots of varying colours and pale brown scales that soon decay, ... [details]

 Description

Rhizomes shortly creeping, becoming very tufted and often dying out in the centre; shoots densely fasciculate at ... [details]

 Description

Rhizomes shortly creeping; shoots closely tufted; roots brown; scales brown, soon fibrous. Stems up to 20(–30) cm, ... [details]

 Description

Rhizomes short, with shoots forming dense tufts up to 30 cm across; roots yellow-brown and felty, and scales brown ... [details]

 Description

Rhizomes far-creeping, forming large stands; shoots loosely tufted, slender; roots pale yellow-brown; scales pale ... [details]

 Description

Rhizomes short; shoots densely tufted, often ± prostrate; roots pale brown or purple-brown; scales dark brown, ... [details]

 Description

Rhizomes often far-creeping, lying amongst mosses, partly ascending; shoots loosely tufted, initially decumbent, ... [details]

 Description

This hybrid is closer to C. canescens, especially in its medium to small stature. It differs further from C. ... [details]

 Description

Rhizomes shortly creeping, often ascending; shoots loosely tufted; roots yellow, felted; scales shiny, red-brown, ... [details]

 Description

Rhizomes far-creeping, much branched; shoots loosely tufted or solitary and terminal on short branches of rhizome; ... [details]

 Description

Rhizomes slender, shortly creeping; shoots often single; roots pale yellow-brown; scales pale brown, persistent. ... [details]

 Description

Rhizomes creeping, woody, much branched, with clones often dying out in the centre and forming a ring of shoots ... [details]

 Description

Rhizomes short; shoots densely tufted; roots brown; scales brown with black veins, soon becoming fibrous. Stems ... [details]

 Description

Rhizomes short; shoots densely tufted; roots brown; scales brown with black veins, soon becoming fibrous. Stems ... [details]

 Description

Rhizomes predominantly far-creeping but tussocky in stagnant mires; shoots tufted; roots pale brown or red-brown; ... [details]

 Description

Rhizomes short; shoots tufted; roots pale yellow-brown; scales brown, red-brown, or blackish, becoming fibrous in ... [details]

 Description

Rhizomes short and much branched, with tufted shoots of two kinds: apical leafy shoots with overwintering terminal ... [details]

 Description

Rhizomes short; shoots stout, densely tufted; roots thick, grey-brown; scales brown, remaining as black fibres. Stems ... [details]

 Description

Rhizomes very short, with tufted shoots; roots usually dark red-brown and brown, often red-tinged scales. Stems ... [details]

 Description

Rhizomes shortly creeping, fleshy; shoots loosely tufted; roots pale grey- or purple-brown; scales grey-brown or ... [details]

 Description

Rhizomes very short and ascending, forming dense tussocks up to 1.5 m high and 1 m in diameter; roots thick, dark ... [details]

 Description

Rhizomes slender, shortly creeping, often much branched, forming an open mat; shoots loosely tufted; roots cream or ... [details]

 Description

Rhizomes short; shoots in tufts often up to 70 cm across; roots up to 3 mm thick, red-brown; scales red-brown, ... [details]

 Description

Rhizomes short, with densely tufted shoots, often decumbent; roots purple-brown; scales brown, soon becoming ... [details]

 Description

Rhizomes short; shoots loosely tufted; roots thick (up to 1.5 mm), orange-brown, felted; scales dark brown or ... [details]

 Description

Rhizomes shortly creeping; shoots often densely tufted; roots red-brown, very fine; scales pale brown or ... [details]

 Description

Rhizomes shortly creeping, with tufted shoots and orange-brown to black roots that are not felty, the scales brown ... [details]

 Description

Rhizomes shortly creeping, often forming a close carpet of single shoots; roots yellow, felted; scales red-brown. ... [details]

 Description

Rhizomes often far-creeping; shoots tufted; roots pale purple-brown; scales red-brown, often blackened, persistent. ... [details]

 Description

Rhizomes short; shoots densely tufted, often forming stools up to 30 cm high; roots pale purple-brown; scales ... [details]

 Description

Rhizomes far-creeping; shoots tufted; roots thick, pale brown; scales grey-brown, soon fibrous. Stems 60–130 cm, ... [details]

 Description

Rhizomes far-creeping; shoots few in each tuft; roots thick, purple- or orange-brown; scales pale grey-brown, ... [details]

 Description

Although variable, Carex × rotae is intermediate between the parents in its leaf width and leaf and stem length. ... [details]

 Description

Rhizomes shortly creeping, often much branched; shoots ± tufted; roots purple-brown, slender; scales shiny, red-brown, ... [details]

 Description

Rhizomes far-creeping, producing tufts of 1–3 shoots at frequent, ± regular intervals; roots pale yellow-brown; ... [details]

 Description

Rhizomes short; shoots densely tufted; roots purple-tinged; scales brown or red-brown, with black veins, eventually ... [details]

 Description

Rhizomes usually short; shoots tufted with short stolons; roots pale brown; scales orange- or red-brown, becoming ... [details]

 Description

Rhizomes very short; shoots often densely tufted; roots grey-brown; scales brown, soon fibrous. Stems 15–60(–150) ... [details]

 Description

Rhizomes far-creeping, often thick ( 4 mm); shoots clustered; roots pale brown or red-brown; scales brown, dull, ... [details]

 Description

Rhizomes far-creeping with tufted shoots, brown roots and grey-brown fibrous scales; stems 15–40 cm, ... [details]

 Description

Rhizomes shortly creeping; shoots slender, markedly trigonous, 2–3 in each tuft; roots thick, pale yellow-brown; ... [details]

 Description

Rhizomes short, with loosely tufted shoots; roots pale buff-brown and grey-brown scales. Stems 20–80 cm, ... [details]

 Description

Rhizome short, with ± densely tufted shoots; roots pale yellow-brown and grey-brown scales that soon become ... [details]

 Description

Rhizomes short, with 4 to many tufted shoots; roots pale brown and pink- or grey-brown scales becoming fibrous. ... [details]

 Description

Rhizomes short; shoots stout, densely tufted; roots thick, grey-brown; scales dark brown, remaining only as black ... [details]

 Description

Rhizomes ± creeping, c. 8 mm in diameter, covered in purplish-brown scales. Stems up to 200 cm × 3–8 mm, ... [details]

 Description

Rhizomes short, thick. Stems 20–60 cm × 1.2–2.5 mm, triquetrous, smooth. Leaves shorter than to exceeding ... [details]

 Description

Plant a tufted annual; roots fibrous. Stems 4–25(–46) cm × 1.5–4 mm, triquetrous, smooth, soft. Leaves ... [details]

 Description

Rhizomes shortly creeping. Stems 50–140 cm × 1–3.5 mm, not or slightly swollen at base, trigonous to ... [details]

 Description

Rhizomes shortly creeping, brown. Stems 1–15 cm × 0.2–0.3 mm, tufted or sometimes solitary, 4-angled, smooth. ... [details]

 Description

Rhizomes far-creeping, dark purplish. Stems up to 60 cm × 1.1–2.2 mm, tufted, ± terete, smooth, ± inflated, ... [details]

 Description

Rhizomes stout, shortly creeping. Stems 15–40 cm × 1–1.5 mm, densely clustered, ± terete, smooth to minutely ... [details]

 Description

Rhizomes thick, long-creeping. Stems 8–95 cm × 0.6–4 mm, sparsely to densely tufted, terete, smooth to ... [details]

 Description

Stomatal length 35–56 µm. Spikelets with 40–70 flowers. Glumes (from middle of spikelet) 2.5–3.5 mm long, ... [details]

 Description

Stomatal length 50–77 µm. Spikelets shorter, with 20–40 flowers. Glumes (from middle of spikelet) 3.5–4.5 mm ... [details]

 Description

Plants connected by whitish capillary stolons creeping on the surface, often terminating in a small whitish tuber. ... [details]

 Description

Rhizomes stout, shortly creeping. Stems 3.5–40 cm × 0.4–1 mm, loosely to densely tufted, terete, smooth. ... [details]

 Description

Rhizomes creeping, dark purplish. Stems up to 60 cm × 0.8–1.5(–1.9) mm, tufted, ± terete, smooth to ... [details]

 Description

Rhizomes extensive, long-creeping. Stems 15–75 cm 1–2 mm, rather distant, erect, smooth, nodose, subterete to ... [details]

 Description

Rhizomes extensive, long-creeping. Stems 20–60 cm 0.4–0.8 mm, distant, solitary, erect, smooth, nodose in lower ... [details]

 Description

Rhizomes short. Stems 20–70 cm 1–2 mm, loosely tufted, erect, smooth, nodose, triquetrous. Leaves basal and ... [details]

 Description

Rhizomes short, forming compact tussocks. Stems (15–)30–60(–80) cm 0.8–1.5 mm, tufted, erect, smooth, ... [details]