Authors: Skog, Laurence E.; Steyermark, Julian A.
Publication: Novon
Year: 1991
Genera: Besleria, Drymonia, Nautilocalyx

Expeditions to remote areas of Venezuela and preliminary preparation of the treatment of Gesneriaceae for the Flora of the Venezuelan Guayana by Julian Steyermark revealed several new species. Further work on the family for the Flora is being carried out by Christian Feuillet and is expected to yield additional new species.