commonly called salt loving mushroom fungus family short mushroom thick stem usually diameter cap ranges found asia europe north_america new_zealand salt tolerant species grows salt marshes dunes coastal grassland fungus produces fruit bodies mushrooms convex flattened caps diameter atop thick stems long cap surface whitish buff develop scales age gills initially pink turning brown spores mature flesh turns reddish cut bruised mushroom somewhat resembles differs species reddish brown cap stem tissue nature ring stem odor edible mushroom stronger flavor similar store bought button mushrooms taxonomy species described french mycologist based collections france transferred synonyms include fungus genus level classification known certainty proposed classification placed section species similarities species section based structure veil tendencies developing red coloration molecular analysis shows belong section earlier analysis suggested closely related clade contains placed section demoted later provided molecular support decision addition species concept include species named original collector commonly known salt loving mushroom description fruit bodies caps range shape convex flattened reach diameter cap surface dry smooth white buff color develop brownish spots maturity age surface forms scales flesh thick firm reddish orange reddish brown cut reaction slow develop odor ranges mild gills free attachment stem packed close initially grayish pink pinkish turn reddish brown chocolate brown spores mature stem solid hollow firm measures long thick thick white partial veil covers gills immature mushroom eventually remains ring middle stem mushrooms odor inappropriate edible good compares taste closely related little slightly taste mushrooms produce dark brown spore print spores smooth broadly elliptical dimensions basidia spore bearing cells spored club shaped measuring cheilocystidia cystidia gill edge broadly club shaped cylindrical hyaline translucent measure similar species edible similar appearance distinguished double ring lack odor additionally stain reddish cut usually cap hungarian species named similarity distinguished smaller spores club shaped cheilocystidia measure considers species habitat distribution saprobic species mushrooms fruit singly scattered groups ground grow sandy soils habitats high salt concentration like ocean coasts salt marshes primarily maritime species fungus spread inland salt applied ice roads fruit bodies form underground mushrooms grow fairy rings especially czech study determined mushrooms strongly silver contaminated soil average concentration silver soil typically kilogram soil significantly elevated near industrial sites mines concentration silver caps reached levels mushroom tissue dry weight twice stems species found asia europe north_america including mexico new_zealand
Agaricus bernardii