Perold, S. M., Botanical Research Institute, Department of Agriculture and Water Supply, South Africa
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Vol 19, No 2 (1989) - Original Research
Studies in the genus Riccia (Marchantiales) from southern Africa. 13. A new species, R. hantamensis, in section Pilifer and a new record for R- alatospora
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Vol 16, No 2 (1986) - Original Research
Studies in the genus Riccia (Marchantiales) from southern Africa. 6. R. hirsuta, a new species, in a new section
Abstract PDF