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Conference paper (published)
Distribution, ecology, and threat to selected Madagascan orchids.
Cribb, Phillip ; Roberts, David ; Hermans, Johan
Orchids, Geographical distribution, Madagascar, Threatened plants, Ecology, and Orchidaceae
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Conference paper (published)
Dracula – at home and in captivity.
Hermans, Johan
Dracula, Orchidaceae, Orchids, and Cultivation