Name requested: Leucoagaricus americanus

Mycotaxon 76: 429, 433, 434, 435, 436, 437. 83: 460. 85: 268. 98: 198. 100: 282, 284, 285, 286. 102: 278. 103: 97, 105, 106. 106: 372, 376, 377.