Cyathodium acrotrichum Schiffn. (1939:126)



Taxonomy & Nomenclature



Conservation Status

Last record (viz. type collections): October 1899 (Singh & Singh, 2007)

Rediscovered on 31 October 2005 (Singh & Singh, 2007)



East district (Boudha, Busuk & Nimachen), Sikkim & Kurseong, Darjeeling district, West Bengal, India


The type collections were made at Kurseong, Darjeeling district, West Bengal, but it was rediscovered at multiple localities (Boudha, Busuk & Nimachen) in East district, Sikkim (Singh & Singh, 2007).


Biology & Ecology










Original scientific description:

Schiffner, V. (1939). Monographie der Gattung Cyathodium, II. Annales Bryologici 12: 123-142.


Other references:

Mehra, P. N. and Sokhi, J. K. (1972). Embryology of Cyathodium flabellatum Mehra. J. Hattori Bot. Lab. 36: 17-53. [states inadequate description of Cyathodium acrotrichum]

Singh, D. K. and Singh, S. K. (2007). Rediscovery of Cyathodium acrotrichum Schiffn. (Hepaticae: Cyathodiaceae) – A long-lost liverwort often treated as doubtful taxon. Current Science 92(10): 1354-1356.

Singh, D. K. and Singh, S. K. (2008). Scanning Electron Microscopic Studies on Sporoderm of Some Indian Liverworts and Hornworts, pp. 291-317. In: Mohamed, H., Baki, B. B., Nasrulhaq-Boyce, A., Lee, P. K. Y. (eds.). Bryology in the New Millennium. Kuala Lumpur: University of Malaya.

Srivastava, S. C. and Dixit, R. (1996). The genus Cyathodium Kunze. The Journal of the Hattori Botanical Laboratory 80: 149-215. [minimal discussion as no access to type material]

Udar, R. and Singh, D. K. (1976). A new Cyathodium from India. Bryologist 79: 234-238. [considers Cyathodium acrotrichum to be of doubtful status]


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