Subspecies of Inocybe abietis, including ssp. helveticus and ssp. tatrensis, are compared based on morphological and chemical characters. The influence of age and environmental conditions on amyloid reaction and spore size is discussed.
Singer R., Kuthan J. (1976): Notes on Chroogomphus (Gomphidiaceae). – Česká Mykologie 30(2): 81–89.