Cyathopus is a genus of Himalayan plants in the grass family.Stapf, Otto. 1895. Hooker's Icones Plantarum 24: plate 2395 + subsequent text page line drawing of Cyathopus sikkimensis, descriptions in Latin, commentary and figure captions in EnglishKew World Checklist of Selected Plant Families The only known species is Cyathopus sikkimensis, native to the mountains of Bhutan, Yunnan, Sikkim, Nepal, Uttarakhand, and nearby regions.Flora of China Vol. 22 Page 364 锡金杯禾 xi jin bei he Cyathopus sikkimensis Stapf, Hooker’s Icon. Pl. 24: t. 2395. 1895. Bor, N. L. 1960. Grass. Burma, Ceylon, India & Pakistan i–767. Pergamon Press, Oxford.Kandwal, M.K. & Gupta, B.K. (2009). An update on grass flora of Uttarakhand. Indian Journal of Forestry 32: 657-668Noltie, H.J. (2000). Flora of Bhutan 3(2): 457-883. Royal Botanic Gardens, Edinburgh
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