Gerhard Marx

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Sunday, 31 January 2016

Haworthia correcta corrected and how it impacts upon the names H. picta and H. emelyae.

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Almost weekly pictures of Haworthia bayeri are posted on Internet Haworthia discussion groups labelled ‘ Haworthia correcta’ . It seems ...
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Monday, 6 July 2015

Haworthia marxii explained.

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(The revised article below was originally published in Alterworthia International Vol. 12 (2) July 2012: 15-28.) An honorary Ario...
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