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A historical checklist of the orchid flora (Orchidaceae) of Quito, Ecuador

Abstract:

We compile a species inventory of orchid species collected at Quito, Ecuador, between 1790 and 2018 and compare it with the orchid species observed in the field between 2018 and 2021. Historical herbarium records include 52 orchid species in Quito. During our field campaigns, we found 29 of these previously collected species in herbaria and an additional 11 species which we newly report from Quito, bringing the total number of orchid species in Quito to 63 species. However, we were unable to find 23 species during our field campaigns. Our study shows that even in one of the largest Ecuadorian cities, several orchid species are still present, and among them, species not previously reported. Urgent conservation actions are needed in urban areas to preserve urban diversity and native ecosystems in Quito.