TY - RPRT TI - Assessing rarity of species with low detectability: Lichens in Pacific Northwest forests AU - T.C. Edwards AU - D.R. Cutler AU - L. Geiser AU - J. Alegria AU - D. McKenzie PY - 2004 DO - 10.1890/02-5236 UR - https://pubs.usgs.gov/publication/70026916 ID - 70026916 ER -