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Thesis (PhD)--University of Pretoria, 1991.
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| Format: | Thesis |
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University of Pretoria
2013
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| _version_ | 1867613612216942592 |
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| access_status_str | Open Access |
| author2 | Van Wyk, Abraham Erasmus (Braam) |
| author_browse | Van Wyk, Abraham Erasmus (Braam) |
| author_facet | Van Wyk, Abraham Erasmus (Braam) |
| collection | Thesis |
| dc_rights_str_mv | © 1991 University of Pretoria. All rights reserved. The copyright in this work vests in the University of Pretoria. No part of this work may be reproduced or transmitted in any form or by any means, without the prior written permission of the University of Pretoria |
| description | Thesis (PhD)--University of Pretoria, 1991. |
| format | Thesis |
| id | oai:repository.up.ac.za:2263/23897 |
| institution | University of Pretoria (South Africa) |
| last_indexed | 2026-06-10T12:38:54.752Z |
| license_str | Other — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from UPSpace — University of Pretoria Institutional Repository |
| publishDate | 2013 |
| publishDateRange | 2013 |
| publishDateSort | 2013 |
| publisher | University of Pretoria |
| publisherStr | University of Pretoria |
| record_format | dspace |
| source_str | UPSpace — University of Pretoria Institutional Repository |
| spelling | oai:repository.up.ac.za:2263/23897 A taxonomic revision of the Ricciaceae Reichenb (Marchantiales : Hepaticae) in southern Africa Van Wyk, Abraham Erasmus (Braam) upetd@up.ac.za Perold, Sarie Magdalena 51 species of riccia Ricciocarpos natans UCTD Thesis (PhD)--University of Pretoria, 1991. A taxonomic revision of 51 species of Riccia, nearly three quarters of which are probably endemic to southern Africa, as well as the cosmopolitan, mono typic species, Ricciocarpos natans, is presented. The systematic treatment includes keys to the genera, subgenera, sections, groups and species. Each species is described in detail, accompanied by its nomenclature, as well as information on its geographical distribution and ecology. Several thousand specimens have been collected by the author and by others, notably O.H. Yolk, over the last 10 years or more, and are listed, together with older collections by Amell, Duthie and Garside and by Sim, to name but a few. Illustrations include line drawings of the thalli of every species, plus photographs of the thalli of some and spore micrographs of all. The phylogeny is briefly considered with reference to the following criteria: palaeobotanical, phytogeographical, morphological, cytological and biochemical. A hypothetical ancestor is postulated and primitive character states as opposed to advanced ones are examined. An extensive bibliography is provided. Plant Science unrestricted 2013-09-06T16:06:53Z 2013-04-11 2013-09-06T16:06:53Z 1991-10-02 1991 2013-04-09 Thesis Perold, SM 1991, A taxonomic revision of the Ricciaceae Reichenb (Marchantiales : Hepaticae) in southern Africa, PhD thesis, University of Pretoria, Pretoria, viewed yymmdd < http://hdl.handle.net/2263/23897 > D13/4/336/gm http://hdl.handle.net/2263/23897 http://upetd.up.ac.za/thesis/available/etd-04092013-092815/ © 1991 University of Pretoria. All rights reserved. The copyright in this work vests in the University of Pretoria. No part of this work may be reproduced or transmitted in any form or by any means, without the prior written permission of the University of Pretoria application/pdf application/pdf application/pdf application/pdf application/pdf application/pdf University of Pretoria |
| spellingShingle | 51 species of riccia Ricciocarpos natans UCTD A taxonomic revision of the Ricciaceae Reichenb (Marchantiales : Hepaticae) in southern Africa |
| title | A taxonomic revision of the Ricciaceae Reichenb (Marchantiales : Hepaticae) in southern Africa |
| title_full | A taxonomic revision of the Ricciaceae Reichenb (Marchantiales : Hepaticae) in southern Africa |
| title_fullStr | A taxonomic revision of the Ricciaceae Reichenb (Marchantiales : Hepaticae) in southern Africa |
| title_full_unstemmed | A taxonomic revision of the Ricciaceae Reichenb (Marchantiales : Hepaticae) in southern Africa |
| title_short | A taxonomic revision of the Ricciaceae Reichenb (Marchantiales : Hepaticae) in southern Africa |
| title_sort | taxonomic revision of the ricciaceae reichenb marchantiales hepaticae in southern africa |
| topic | 51 species of riccia Ricciocarpos natans UCTD |
| url | http://hdl.handle.net/2263/23897 http://upetd.up.ac.za/thesis/available/etd-04092013-092815/ |