The diversity of pteridophytes along a natural trial at Phu Soi Dao national park, Phitsanulok province, Thailand

Abstract

A study of the diversity of pteridophytes at Phu Soi Dao National Park, Phitsanulok Province, was conducted from October 2005 to September 2006 at the altitudes ranging from 500 – 1,633 meters above mean sea level. The survey has been conducted along existing a 6,500 m. forest trails. The collected ferns were identified and compared with herbarium specimens and available literatures from the Forest Herbarium, National Park, Wildlife and Plant Conservation Department (BKF), Bangkok and the herbarium of Queen Sirikit Botanic Garden (QSBG), Chiangmai. The results of the study presented 18 families, 30 genera, 61 species. The data from this study can be used for the future conservation of biodiversity.