panaeolus papilionaceus, panaeolus campanulatus, bell cap mushroom close up with green grass background

agaric agaricales agaricomycetes agaricomycetidae anellaria antillarum autumn beige biology black blades bolbitiaceae botany bright brown cap closeup day disc dung environment excrement exterior fungi fungus grass gray green habitat hat horse life manure meadow mottlegill mushroom mushroomlike mushrooms mycology natural nature ochre panaeolus panaeoluspapilionaceus papilionaceus phylogenetic related toadstool toxic