Rediscovery of Gasteranthusextinctus L.E.Skog & L.P.Kvist (Gesneriaceae) at multiple sites in western Ecuador
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Updated: Jul 4, 2026

Scanning Electron Microscopy (SEM) Protocols for Problematic Plant, Oomycete, and Fungal Samples
Published on: February 3, 2017
Nigel C A Pitman1, Dawson M White2, Juan Ernesto Guevara Andino1,3
1Keller Science Action Center, Science and Education, Field Museum of Natural History, 1400 S. Du Sable Lake Shore Dr., Chicago, IL 60605 USA.
Abstract:
We report the rediscovery of the Critically Endangered cloud forest herb Gasteranthusextinctus, not seen since 1985. In 2019 and 2021, G.extinctus was recorded at five sites in the western foothills of the Ecuadorian Andes, 4-25 km from the type locality at the celebrated Centinela ridge. We describe the species' distribution, abundance, habitat and conservation status and offer recommendations for further research and conservation efforts focused on G.extinctus and the small, disjunct forest remnants it occupies.
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