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Rodriguésia

Print version ISSN 0370-6583On-line version ISSN 2175-7860

Abstract

FURTADO, Samyra Gomes  and  MENINI NETO, Luiz. Diversity high up: a cloud forest of the Serra da Mantiqueira as a vascular epiphyte hotspot. Rodriguésia [online]. 2018, vol.69, n.2, pp.263-279. ISSN 0370-6583.  http://dx.doi.org/10.1590/2175-7860201869201.

The diversity of montane environments is dictated by a variety of environmental conditions. Parque Estadual do Ibitipoca is located in the Serra da Mantiqueira, between ~1,000-1,800 m, and harbors approximately 300 ha of cloud forests. The composition of vascular epiphytes was determined by analyzing data from expeditions conducted between July 2014 and July 2015, and specimens deposited at herbaria. The 224 species were distributed into 82 genera of which Pleurothallis s.l. was the richest (13 spp.) and 23 families of which Orchidaceae was the richest (87 spp.). This richness corresponds to approximately 9.5% of the vascular epiphytic flora of the Atlantic Forest concentrated in an area that comprises 0.00085% of this phytogeographic domain, which represents one of the largest diversities ever sampled in the Brazilian Atlantic Forest. This fact is more relevant given that 13 species are threatened at the country level and 23 at the state level.

Keywords : Atlantic Forest; Dwarf-forest; epiphytic quotient; epiphytism; Parque Estadual do Ibitipoca.

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