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Marchantiales

National Institutes of Health

Papers overview

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2001
2001
Studies in the genus Riccia (Marchantiales) from southern Africa. 25. A new species in subgenus Ricciella , section Ricciella
Riccia sibayenii Perold is a new species, recently collected in Mpumalanga, near Sibayeni and has been named for this town, which… 
1991
1991
Riccia (Hépatiques, Marchantiales) d'Amérique Latine. Taxons du sous-genre Riccia
1990
1990
Studies in the genus Riccia (Marchantiales) from southern Africa. 21. R. stricta , R. purpurascens and R. fluitans , subgenus Ricciella
Lindenberg (1836) regarded and published Riccia stricta as a variety of R. fluitans L. Subsequently, Nees (1838) and Gottsche et… 
1990
1990
Studies in the genus Riccia (Marchantiales) from southern Africa. 18. New species in section Pilifer from the NW Cape: R. furfuracea, R. vitrea and R. namaquensis
Another three new species of Riccia in section  Pilifer Volk are described from Namaqualand, namely  R. furfuracea , R vitrea and… 
1990
1990
Studies in the genus Riccia (Marchantiales) from southern Africa. 16. R. albomarginata and R. simii , sp. nov.
A description of Riccia albomarginata Bisch. ex Krauss, augmented with the aid of new collections which most closely match the… 
1988
1988
Studies in the genus Riccia (Marchantiales) from southern Africa. 9. R. nigrella and the status of R. capensis
R. nigrella DC. (Lamarck & De Candolle 1815), with which R. capensis auct. non Steph.: S. Amell (1952, 1963), is conspecific, is… 
1988
1988
Studies in the genus Riccia (Marchantiales) from southern Africa. 10. Two new white-scaled species of the group 'Squamatae': R. argenteolimbata and R. albomata
Two new white-scaled species,  R. argenteolimbata and  R. albomata  have been isolated by one of us (Volk). R. argenteolimbata… 
1986
1986
Studies in the genus Riccia (Marchantiales) from southern Africa. 6. R. hirsuta , a new species, in a new section
Riccia hirsuta Volk & Perold, sp. nov., the type species of a new section,  Micantes Volk & Perold, subgenus Spongodes (Nees… 
1984
1984
Studies in the liverwort genus Riccia (Marchantiales) from the south-west Cape
A new species of Riccia, R. parvo-areolata Volk & Perold, as well as sporophytes and spores of R. villosa Steph. ex Brunnthaler… 
1973
1973
The Bryophyta of South Africa : comprising Sphaerocarpales, Marchantiales, Jungermanniales, Anthocerotales, Sphagnales, Andreaeales, Polytrichales, Bryales
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