Diversity of Lepiota (Agaricales) in northern Thailand

A study of diversity of Lepiota species in northern Thailand was carried out in Chiang Mai and Chiang Rai provinces during the period 2007–2010. In total, 73 Lepiota mushrooms were collected representing 33 species from five sections. The distribution of these Lepiota species were as follows: 11 species of section Stenosporae, 8 of Ovisporae, 6 of Lepiota, 5 of Lilaceae, and 3 of Echinatae. The highest diversity of Lepiota species was found in the section Stenosporae as indicated by the H′ index (2.20), followed by Lepiota (1.7), Ovisporae (1.54), Lilaceae (1.42), and Echinatae (0.87). The species number of Lepiota was generally high in Mae Sa Valley (8), Forest of Pha Deng Village (7), Forest of Doi Ngaem (6), and Forest of Pong Duaed (5). The most commonly found species were L. furfuraceipes (14.1 %), L. sp. 6 (10.9 %), L. citrophylla (7.81%), L. aspera and L. fraterna (6.25%). Appearance of Lepiota species throughout the season is dependent on rain and humidity and the highest number of Lepiota species appeared in June to August, when high rainfall occurs. This study is one of the pioneering works dealing with the Lepiota species in Thailand in terms of their diversity and distribution.

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DOI:

https://doi.org/10.1080/21501203.2013.764358

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