Panaeolus antillarum Dennis

Panaeolus antillarum (Fr.) Dennis, Kew Bull. 15 (1): 124 (1961) Fig. 4 Basionym. Agaricus antillarum Fr. Description. fide Desjardin and Perry (2017). Psilocybin-producing. Nonproducing (HMAS 52750, see Suppl. material 1: fig. S 1). Notes. Panaeolus antillarum was first described from St. Croix in the Greater Antilles (U. S. Virgin Islands). Later, it was found to be a worldwide species distributed in the New World (Caribbean islands, continental United States, Central and South America) and the Old World (Africa, Australia, China, Europe, India, and Southeast Asia) (Desjardin and Perry 2017). Specimens examined. China. Xizang Autonomous Region: Nyingchi Municipality, Mêdog County, 27 July 1983, Xiao-Lan Mao, HMAS 52750; 3 August 1983, Xiao-Lan Mao, HMAS 52751. Hebei Province: Zhangjiakou, August 1994, Xiao-Lan Mao and You-Zhi Wang, HMAS 69911; Bejing: Zhongguancun, 27 September 1976, Shu-Xiao Sun, HMAS 37291; Inner Mongolia Autonomous Region: Xilin Gol League, 11 August 2019, Jian-Yu Zhang, ZRL 20191951.