Browsing by Author "Thomas, Janet Clare"

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The conservation genetics of the Clanwilliam cedar (Widdringtonia cedarbergensis)

Author: Thomas, Janet Clare Date: 1995 Widdringtonia cedarbergensis is an endangered conifer species in the western Cape, South Africa. This species is under serious threat of extinction and is being actively managed by Cape Nature Conservation in a small section of the Cedarberg ... Read more
The structure of the perennial growth of Disa uniflora Berg. (Orchidaceae)

Author: Thomas, Janet Clare Date: 1990 The perennation of orchids is poorly understood, in particular that of the Orchidoidae. The understanding of perennation in the Orchidoidae is important because the root-stem tuberoid is used as the one character defining the Orchidoidae as ... Read more
The suppression of Acacia spp. through exclusion by herbaceous plants

Author: Thomas, Janet Clare Date: 1990 Read more

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