Carex haydenii

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Cladus: Commelinids
Ordo: Poales

Familia: Cyperaceae
Subfamilia: Cyperoideae
Tribus: Cariceae
Genus: Carex
Species: Carex haydenii
Name

Carex haydenii Dewey, Amer. J. Sci. Arts, ser. 2, 18: 103 (1854).
Synonyms

Homotypic
Carex stricta var. haydenii (Dewey) Kük. in H.G.A.Engler (ed.), Pflanzenr., IV, 20(38): 330 (1909).
Heterotypic
Carex stricta var. decora L.H.Bailey, Bot. Gaz. 13: 85 (1888).
Carex rousseaui Raymond, Naturaliste Canad. 82: 31 (1955).

Distribution
Native distribution areas:

Continental: Northern America
Illinois, Indiana, Iowa, Maine, Masachusettes, Michigan, Minnesota, Missouri, Nebraska, New Brunswick, New Hampshire, New York, North Dakota, Ohio, Ontario, Pennsylvania, Qubec, South Dakota, Vermont, Wisconsin

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
References
Primary references

Dewey, C. 1854. American Journal of Science, and Arts ser. 2, 18: 103.

Links

Govaerts, R. et al. 2020. Carex haydenii in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2020 Jan 20. Reference page. 
International Plant Names Index. 2020. Carex haydenii. Published online. Accessed: Jan 20 2020.
Govaerts, R. et al. 2020. Carex haydenii in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2020 Jan 20. Reference page. 
Tropicos.org 2020. Carex haydenii. Missouri Botanical Garden. Published online. Accessed: 20 Jan 2020.
USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network - (GRIN) [Online Database]. [1]

Vernacular names
English: Hayden's sedge, Cloud sedge, Long-scale tussock sedge
français: Carex de hayden