visual study of psathyrella and hymenochaete rubiginosa growing among fallen leaves in a damp forest setting during

autumn biodiversity botanical brown color cycle damp decay decomposer decomposition diversity ecology ecosystem environment floor forest fungal fungi growth habitat hymenochaete leaf leaves life litter matter moisture mushroom mycology natural nature nutrients observation organic outdoor plant process psathyrella rubiginosa seasonal soil species spores structure study texture wildlife wood woodland yellow