Rediscovery Sumatran endemic flora: towards the establishment of data of biodiversity loss

Abstract

The research of Sumatran endemic flora species for the establishment of a database of biodiversity loss has been conducted on March 2018 around Lake Toba areas. The exploration method was applied to collect the flora endemic and identified with specimen reference collection in Herbarium Bogoriense (BO) and related references. 28 species from six families were rediscovered as Sumatran endemic flora. Orchidaceae (15 species) and Ericaceae (5 species) were the most commonly families found. Meanwhile, Taman Eden 100 and Jangga Dolok were the most common location for the rediscovery of Sumatran endemic flora.