British Bryological Society Expedition to Mulanje Mountain, Malawi. 12. A revision of the genus Rhacopilopsis Renauld & Cardot (Hypnaceae, Bryopsida)
Authors: Watling, Malcolm C.; O'Shea, Brian J.
Source: Journal of Bryology, Number 3, 2000 , pp. 207-216(10)
Publisher: Maney Publishing
Abstract:Based on studies of 487 specimens, the pleurocarpous moss genus Rhacopilopsis is reviewed world-wide, and two taxa are recognised: R. trinitensis (Müll.Hal.) E.Britt. & Dixon (new synonyms: Acanthocladiella kilimandscharica Broth. & P.de la Varde, A. transvaaliensis Thér. & Dixon ex Sim, Dimorphella brasiliensis Broth. & Herzog, D. pechuelii var. acuminata Cardot, D. pechuelii var. gracilis Cardot and Rhacopilopsis trinitensis vars. pendula P.de la Varde and perserrata J.Taylor & P.de la Varde and fo. densa Tosco & Piovano) and R. variegatum (Welw. & Duby) M.C.Watling & O'Shea, comb. nov. (basionym: Hypnum variegatum Welw. & Duby; new synonyms: Microthamnium flexile Renauld & Cardot, Pylaisaea guineensis Broth. & Paris and Stereodon albo-alare Broth.). Both taxa are fully illustrated and a key is presented. Rhacopilopsis trinitensis is characterised by complanate shoots and up to four rows of supra-alar cells and is known from Central America and the northern part of South America, tropical Africa, South Africa and Madagascar. Rhacopilopsis variegatum differs from R. trinitensis in having non-complanate shoots and four or more rows of supra-alar cells and is endemic to Africa, occurring over a similar range to R. trintenisis, but less frequently and usually at greater elevations.
Document Type: Research Article
Publication date: 2000-01-01
- The complete content of Transactions of the British Bryological Society, the predecessor to Journal of Bryology, going back to 1947, is also available online. View Transactions of the British Bryological Society issues.
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