Cyperaceae taxon details
Carex debilis var. debilis
1702863 (urn:lsid:marinespecies.org:taxname:1702863)
accepted
Variety
Carex debilis var. intercursa Fernald · unaccepted
Carex debilis var. prolixa L.H.Bailey · unaccepted
Carex debilis var. pubera A.Gray · unaccepted
terrestrial
Michaux, A. (1803). Flora boreali-americana. 2., available online at https://www.biodiversitylibrary.org/page/410840#page/3/mode/1up
page(s): 172 [details]
page(s): 172 [details]
Description Lateral spikes pistillate, perigynia overlapping, attached 3–6 mm apart. Pistillate scales with hyaline margins white or...
Description Lateral spikes pistillate, perigynia overlapping, attached 3–6 mm apart. Pistillate scales with hyaline margins white or pale, apex usually blunt to acute, rarely cuspidate. Perigynia fusiform, 5.5–9.5 mm, apex tapering gradually to elongate beak, nearly 1/2 length of perigynium. 2n = 52, 54, 55, 56. [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Carex debilis var. debilis Michx.. Accessed at: https://www.cyperaceae.org/aphia.php?p=taxdetails&id=1702863 on 2026-05-31
The webpage text is licensed under a Creative Commons
Attribution 4.0 License
Nomenclature
original description
Michaux, A. (1803). Flora boreali-americana. 2., available online at https://www.biodiversitylibrary.org/page/410840#page/3/mode/1up
page(s): 172 [details]
page(s): 172 [details]
Other
additional source
Ball, P.W.; Reznicek, A.A.; Murray, D.F. (2002). Magnoliophyta: Commelinidae (in part): Cyperaceae. In: Flora of North America. Vol. 23. Oxford University Press, New York., available online at http://floranorthamerica.org/Cyperaceae [details] Available for editors 
[request]
[request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Additional information Most specimens of Carex debilis var. debilis have glabrous perigynia, but those with pubescent perigynia occur sporadically through the eastern part of its range, usually in mixed populations with the glabrous form. This southern variety extends north along the coastal plain to Nantucket Island, Massachusetts and occurs sporadically in Michigan and Ohio along with other coastal plain disjuncts. Occasional sterile hybrids with C. venusta have been confirmed in Florida, North Carolina, and New Jersey and observed in South Carolina and Virginia. [details]Biology Fruiting early–mid summer. [details]
Description Lateral spikes pistillate, perigynia overlapping, attached 3–6 mm apart. Pistillate scales with hyaline margins white or pale, apex usually blunt to acute, rarely cuspidate. Perigynia fusiform, 5.5–9.5 mm, apex tapering gradually to elongate beak, nearly 1/2 length of perigynium. 2n = 52, 54, 55, 56. [details]
Ecology Edges, openings, paths and stream banks in mesic deciduous forest, floodplain forests, meadows, wet prairies, and roadsides, usually on soils with pH below 6; less tham 500 m. [details]
To Biodiversity Heritage Library (1 publication) (from synonym Carex debilis var. prolixa L.H.Bailey)
To Biodiversity Heritage Library (4 publications)
To European Nucleotide Archive, ENA (Carex debilis var. debilis)
To Genbank
To International Plant Names Index (IPNI)
To International Plant Names Index (IPNI) (from synonym Carex debilis subsp. pubera (A.Gray) Ã.Löve & D.Löve)
To International Plant Names Index (IPNI) (from synonym Carex debilis var. pubera A.Gray)
To International Plant Names Index (IPNI) (from synonym Carex debilis var. intercursa Fernald)
To International Plant Names Index (IPNI) (from synonym Carex debilis var. prolixa L.H.Bailey)
To Plants of the World Online (from synonym Carex debilis var. prolixa L.H.Bailey)
To Plants of the World Online (from synonym Carex debilis var. pubera A.Gray)
To Plants of the World Online (from synonym Carex debilis var. intercursa Fernald)
To Plants of the World Online (from synonym Carex debilis subsp. pubera (A.Gray) Ã.Löve & D.Löve)
To Plants of the World Online
To US Herbarium (Carex debilis intercursa US2003164 type 1) (from synonym Carex debilis var. intercursa Fernald)
To Biodiversity Heritage Library (4 publications)
To European Nucleotide Archive, ENA (Carex debilis var. debilis)
To Genbank
To International Plant Names Index (IPNI)
To International Plant Names Index (IPNI) (from synonym Carex debilis subsp. pubera (A.Gray) Ã.Löve & D.Löve)
To International Plant Names Index (IPNI) (from synonym Carex debilis var. pubera A.Gray)
To International Plant Names Index (IPNI) (from synonym Carex debilis var. intercursa Fernald)
To International Plant Names Index (IPNI) (from synonym Carex debilis var. prolixa L.H.Bailey)
To Plants of the World Online (from synonym Carex debilis var. prolixa L.H.Bailey)
To Plants of the World Online (from synonym Carex debilis var. pubera A.Gray)
To Plants of the World Online (from synonym Carex debilis var. intercursa Fernald)
To Plants of the World Online (from synonym Carex debilis subsp. pubera (A.Gray) Ã.Löve & D.Löve)
To Plants of the World Online
To US Herbarium (Carex debilis intercursa US2003164 type 1) (from synonym Carex debilis var. intercursa Fernald)
From editor or global species database
Hosted externally, from synonym
