Cyperaceae taxon details
Carex williamsii Britton
1677392 (urn:lsid:marinespecies.org:taxname:1677392)
accepted
Species
Carex capillaris var. williamsii (Britton) B.Boivin · unaccepted
Carex novograblenovii Kom. · unaccepted
Carex peshemskyi Malyschev · unaccepted
terrestrial
Britton, N. L. & Rydberg, P. A. (1901). An Enumeration of the Flowering Plants collected by R. S. Williams and by J. B. Tarleton. <em>Bulletin of the New York Botanical Garden.</em> 2: 149-186., available online at https://www.biodiversitylibrary.org/page/5895410#page/163/mode/1up
page(s): 159 [details]
page(s): 159 [details]
Description Culms to 15(–30) cm. Leaf blades filiform, channelled, 2–8 cm × 0.25–1 mm. Terminal spike androgynous or staminate,...
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Bull. New York Bot. Gard. 2: 159 1901 to Bull. New York Bot. Gard. 2:...
Description Culms to 15(–30) cm. Leaf blades filiform, channelled, 2–8 cm × 0.25–1 mm. Terminal spike androgynous or staminate, ± level with lateral spikes, 2–8 × 0.6–1 mm. Lateral spikes 2–5, usually suberect, 3–10-flowered, 4–10 × 2–2.5 mm. Pistillate scales pale brown with hyaline margins and paler midvein, ovate, 1.8–2.2 × 1–1.4 mm, apex obtuse. Staminate scales brown with hyaline margins and paler midvein, oblong-lanceolate, 2.5–3 × 0.8 mm, apex obtuse or mucronate. Perigynia distinctly veined, lanceolate, 2.3–3.1 × 0.7–1 mm; beak 0.5–1 mm, margins entire or with 1 or 2 basal setae. Achenes obovoid, 1.2–1.5 × 0.7 mm. [details]
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Bull. New York Bot. Gard. 2: 159 1901 to Bull. New York Bot. Gard. 2:...
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Bull. New York Bot. Gard. 2: 159 1901 to Bull. New York Bot. Gard. 2: 159 (1901), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Carex williamsii Britton. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1677392 on 2025-09-12
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2024-12-10 11:47:54Z
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Nomenclature
original description
Britton, N. L. & Rydberg, P. A. (1901). An Enumeration of the Flowering Plants collected by R. S. Williams and by J. B. Tarleton. <em>Bulletin of the New York Botanical Garden.</em> 2: 149-186., available online at https://www.biodiversitylibrary.org/page/5895410#page/163/mode/1up
page(s): 159 [details]
basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details]
page(s): 159 [details]
basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Description Culms to 15(–30) cm. Leaf blades filiform, channelled, 2–8 cm × 0.25–1 mm. Terminal spike androgynous or staminate, ± level with lateral spikes, 2–8 × 0.6–1 mm. Lateral spikes 2–5, usually suberect, 3–10-flowered, 4–10 × 2–2.5 mm. Pistillate scales pale brown with hyaline margins and paler midvein, ovate, 1.8–2.2 × 1–1.4 mm, apex obtuse. Staminate scales brown with hyaline margins and paler midvein, oblong-lanceolate, 2.5–3 × 0.8 mm, apex obtuse or mucronate. Perigynia distinctly veined, lanceolate, 2.3–3.1 × 0.7–1 mm; beak 0.5–1 mm, margins entire or with 1 or 2 basal setae. Achenes obovoid, 1.2–1.5 × 0.7 mm. [details]Taxonomic remark Source in seed data: wcs Update namepublishedIn from Bull. New York Bot. Gard. 2: 159 1901 to Bull. New York Bot. Gard. 2: 159 (1901), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
To Biodiversity Heritage Library (7 publications)
To European Nucleotide Archive, ENA (Carex williamsii)
To GenBank (33 nucleotides; 18 proteins)
To International Plant Names Index (IPNI) (from synonym Carex capillaris var. williamsii (Britton) B.Boivin)
To International Plant Names Index (IPNI) (from synonym Carex peshemskyi Malyschev)
To International Plant Names Index (IPNI)
To International Plant Names Index (IPNI) (from synonym Carex novograblenovii Kom.)
To LE Herbarium (Carex novograblenovii LE01006919 holotype 1) (from synonym Carex novograblenovii Kom.)
To LE Herbarium (Carex peshemskyi LE01006946 holotype 1) (from synonym Carex peshemskyi Malyschev)
To New York Botanical Garden Steere Herbarium (Carex_williamsii_NY11415_type_1)
To Plants of the World Online (from synonym Carex novograblenovii Kom.)
To Plants of the World Online (from synonym Carex peshemskyi Malyschev)
To Plants of the World Online
To Plants of the World Online (from synonym Carex capillaris var. williamsii (Britton) B.Boivin)
To US Herbarium (Carex williamsii US3160439 type 1)
To European Nucleotide Archive, ENA (Carex williamsii)
To GenBank (33 nucleotides; 18 proteins)
To International Plant Names Index (IPNI) (from synonym Carex capillaris var. williamsii (Britton) B.Boivin)
To International Plant Names Index (IPNI) (from synonym Carex peshemskyi Malyschev)
To International Plant Names Index (IPNI)
To International Plant Names Index (IPNI) (from synonym Carex novograblenovii Kom.)
To LE Herbarium (Carex novograblenovii LE01006919 holotype 1) (from synonym Carex novograblenovii Kom.)
To LE Herbarium (Carex peshemskyi LE01006946 holotype 1) (from synonym Carex peshemskyi Malyschev)
To New York Botanical Garden Steere Herbarium (Carex_williamsii_NY11415_type_1)
To Plants of the World Online (from synonym Carex novograblenovii Kom.)
To Plants of the World Online (from synonym Carex peshemskyi Malyschev)
To Plants of the World Online
To Plants of the World Online (from synonym Carex capillaris var. williamsii (Britton) B.Boivin)
To US Herbarium (Carex williamsii US3160439 type 1)
