Original Research

Studies in the genus Riccia (Marchantiales) from southern Africa. 10. Two new white-scaled species of the group ‘Squamatae’: R. argenteolimbata and R. albomata

O. H. Volk, S. M. Perold, T. Bornefeld
Bothalia | Vol 18, No 2 | a998 | DOI: https://doi.org/10.4102/abc.v18i2.998 | © 1988 O. H. Volk, S. M. Perold, T. Bornefeld | This work is licensed under CC Attribution 4.0
Submitted: 22 October 1988 | Published: 23 October 1988

About the author(s)

O. H. Volk, Botanische Anstalten d. Univ.,Wurzburg D8700, Germany
S. M. Perold, Botanical Research Institute. Department of Agriculture and Water Supply,, South Africa
T. Bornefeld,, Germany

Full Text:



Two new white-scaled species,  R. argenteolimbata and  R. albomata  have been isolated by one of us (Volk). R. argenteolimbata has a compact thallus with stiff, regular scales and apolar spores, whereas R. albomata has a
somewhat more spongy structure of the thallus, large, frilly, hyaline scales and polar spores.


Marchantiales; new species; nothopolyploidy; <i>Riccia</i>; southern Africa; taxonomy


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