species fungus family described new science species known subtropical pine forests mexico grows rotting pine oak wood fruit bodies mushrooms red orange caps diameter shape ranging convex flattened depending age silky yellow stems long similar appearance shares scarlet colored cap yellow stem distinguished similar species differences microscopic characteristics taxonomy species described journal based collections material collected volcano municipality elevation species referred bears close resemblance close examination comparison species authors concluded differences morphology dna sequence sufficient warrant describing new species according classification genus fungus belongs section species section pleurocystidia absent non furthermore majority cap cuticle comprising short club shaped somewhat spherical stem cells mixed elongated cystidia like cells species include molecular analyses internal dna sequences supports placement suggest sister relationship specific epithet refers mountain type material collected description cap diameter young bell shaped convex convex mature cap margin curved downward slightly eroded red orange cap surface dry moist margin approaches center white yellowish flesh underneath cap cuticle gills free attachment stem crowded closely broad swollen middle white whitish young salmon pinkish age edge gill wool like fringed whitish stem centrally attached cap measures roughly equal width smooth slightly covered small slender fibers silky hollow color yellow yellowish near deep orange orange base base stem covered whitish flesh cap thick center whitish stem tissue yellowish yellow gold fruit bodies distinctive taste odor color spore print pinkish brown smooth spores measure roughly spherical broadly ellipsoid shape walls thin slightly translucent basidia spore bearing cells hymenium including club shaped spored contents hyaline translucent pleurocystidia cystidia gill face frequent scattered shaped short elongated pleurocystidia somewhat tapered end somewhat shaped like leather bottle thin walled hyaline cheilocystidia cystidia gill edge crowded club shaped roughly cylindrical egg shaped thin walled hyaline gill tissue meaning hyphae appear converge center tissue cap cuticle comprises club shaped cells measure cells typically long stalk thin slightly wall hyaline species lacks hyphae filled oil like contents clamp connections similar species similar external appearance reliably distinguished microscopic characteristics dna sequence contrast species spores cystidia shorter slender widely distributed rare species shares fragile fruit body red cap similar morphology differs orange red gill edges red stem cap cuticle cells contain pigment species roughly similar appearance including distinguished differences microscopic characteristics habitat distribution known subtropical pine forests states guerrero mexico grows rotting wood pine oak species known mexico
Pluteus nevadensis