Name requested: Usnea longissima

	Lichens of North America null: 10, 89, 94, 711, 717, 721, 722, 723, 724, 726, 758, 761.
	Mycologia 6 (5): 263. 56 (4): 618.
	Mycotaxon 27: 493. 89 (1): 173. 105: 384.