Phaeocollybia longistipitata sp. nov. from Costa Rica

Roy E. Halling, Egon Horak

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Phaeocollybia longistipitata is described as a new species from the Talamanca Mountains of Costa Rica. Macroscopically, the taxon is easily recognized both by its small and slender stature and the very long, equally cylindrical stipe lacking a distinctive pseudorhiza. This differs markedly from the gradual or abruptly tapering to fusoid pseudorhiza shape usually found in the genus. Distinctive microscopic features are the amygdaliform roughened basidiospore with an unusually low apical callus and the presence of clamp connections.


páramo; oak forests; Cordillera Talamanca; montane neotropics; Comarostaphylis; Quercus



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