THREE NEW SPECIES OF PABSTIELLA (PLEUROTHALLIDINAE, ORCHIDACEAE) FROM BRAZILIAN ATLANTIC FOREST

摘要

Three new species of Pabstiella from Brazilian Atlantic Forest in the State of Espirito Santo are described and illustrated. Comments on their ecology and distribution are also provided. The new species, Pabstiella lueriana, P. villosisepala, and P. muricatifolia, are most similar to P. pellifeloides and P. hypnicola. According to the criteria of the IUCN Red List of endangered plant species, P. muricatifolia is included in the Data Deficient category, while the other two species were included in the Vulnerable category.