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Riccia

National Institutes of Health

Papers overview

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1993
1993
This study deals with 16 Riccia species distributed in latin America, belonging to the following three subgenera: Thallocarpus… 
1990
1990
Another three new species of Riccia in section  Pilifer Volk are described from Namaqualand, namely  R. furfuracea , R vitrea and… 
1990
1990
R. pulveracea , specimens of which were collected by Duthie and tentatively referred to R concava by her. is described here… 
1988
1988
R. nigrella DC. (Lamarck & De Candolle 1815), with which R. capensis auct. non Steph.: S. Amell (1952, 1963), is conspecific, is… 
1986
1986
Riccia hirsuta Volk & Perold, sp. nov., the type species of a new section,  Micantes Volk & Perold, subgenus Spongodes (Nees…