Name requested: Collema cristatumAnnales Mycologici 6 (4): 332. Lichenologist 3 (1): 113, 113, 113, 113, 113. 12 (1): 32, 32, 32, 32, 32. Lichens of North America null: 283, 284, 285, 286. Mycotaxon 40: 220. 53: 154. 58: 205. 93: 374. 94: 44. 108: 10, 15. Sydowia 14 (1-6): 312.