Gillet further states that the pileus is conic to campanulate, not becoming convex as in A. verna and A. phalloides.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson
The pileus is membraneous, ovate or campanulate, moist or somewhat watery, obtuse, plicate, striate on the margin, yellow.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson
Flowers white, in a globose head, divided into 50 or more groups each with its own calyx of 9 or 10 leaflets surrounding 2 or 3 hermaphrodite, 5-toothed, campanulate flowers.
"The Medicinal Plants of the Philippines"
T. H. Pardo de Tavera