Original Research

Arnell, Marchantiales, Riccia albolimbata, R. albosquamata, white scales

S. M. Perold
Bothalia | Vol 19, No 1 | a935 | DOI: https://doi.org/10.4102/abc.v19i1.935 | © 1989 S. M. Perold | This work is licensed under CC Attribution 4.0
Submitted: 17 October 1989 | Published: 18 October 1989

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S. M. Perold, Botanical Research Institute. Department of Agriculture and Water Supply., South Africa

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Abstract

Arnell s (1957. 1963) inadequate descriptions, poor drawings, mistakes in the text and key. as well as mixed collections, have all contributed to the confusion regarding the identity of his species  R albolimbata and  R albosquamata.  Volk s collections (Arnell 1957) of the latter consist mostly of two white-scaled species in the same packet: one is  R. albolimbata and the other is R argenteohmbata Volk & Perold (Volk  et al. 1988). Evidently Amell used characters of both plants to describe  R. albosquamata. although the type specimen.  Volk 452. consists of only  R albolimbata (plus fragments of  R atropurpurea Sim and  R. trichocarpa Howe).  R albosquamata is accordingly to be regarded as a taxonomic synonym of R albolimbata.


Keywords

Arnell; Marchantiales; <i>Riccia albolimbata</i>; <i>R. albosquamata</i>; white scales

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