Studies in the genus <i>Riccia</i> (Marchantiales) from southern Africa. 1. Two new species of the section <i>Pilifer:</i> <i>R. duthieae</i> and <i>R. alatospora</i>

by O. H. Volk
Published 1984-12-01

Studies in the genus <i>Riccia</i> (Marchantiales) from southern Africa. 6. <i>R. hirsuta</i>, a new species, in a new section

by O. H. Volk, S. M. Perold
Published 1986-10-01

Studies in the genus <i>Riccia</i> (Marchantiales) from southern Africa. 3. <i>R. schelpei</i>, a new species, in the new subgenus <i>Chartacea</i>

by O. H. Volk, S. M. Perold
Published 1986-07-01

Studies in the liverwort genus <i>Riccia</i> (Marchantiales) from the south-west Cape

by O. H. Volk, S. M. Perold
Published 1984-12-01

<i>Exormotheca bulbigena</i> sp. nov. (Hepaticae, Marchantiales) and its relation to <i>E. holstii</i> in southern Africa

by T. Bornefeld, O. H. Volk, R. Wolf
Published 1996-10-01

Studies in the genus <i>Riccia</i> (Marchantiales) from southern Africa. 4. Three endemic species, <i>R. natalensis</i>, <i>R. microciliata</i> sp. nov. and <i>R. mammifera</i> s...

by O. H. Volk, S. M. Perold
Published 1986-10-01

Studies in the genus Riccia (Marchantiales) from southern Africa. 9. R. nigrella and the status of R. capensis

by S. M. Perold, O. H. Volk
Published 1988-10-01

Studies in the genus <i>Riccia</i> (Marchantiales) from southern Africa. 15. <i>R. hirsuta</i> and <i>R. tomentosa</i>, sp. nov., two distinct species previously treated as one

by O. H. Volk, S. M. Perold
Published 1990-10-01

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

by O. H. Volk, S. M. Perold, T. Bornefeld
Published 1988-10-01

Studies in the genus <i>Riccia (Marchantiales) from southern Africa. 2. A new species of the section <i>Pilifer</i>: <i>R. sarcosa</i>

by O. H. Volk, S. M. Perold
Published 1986-07-01

Studies in the genus <i>Riccia</i> (Marchantiales) from southern Africa. 8. <i>R. campbelliana</i> (subgenus Riccia), newly recorded for the region

by S. M. Perold, O. H. Volk
Published 1988-10-01

Studies in the genus <i>Riccia</i> (Marchantiales) from southern Africa. 5. <i>R. rosea</i>, a new species

by O. H. Volk, S. M. Perold
Published 1986-10-01