Reference comment Common; corticolous on ''[[Picea sitchensis]]'', ''[[Pinus contorta]]'', and ''[[Tsuga heterophylla]]'' in open forests; low to subalpine elevations.
From Natural History of Southeast Alaska
A list of all pages that have property "Reference comment" with value "Common; corticolous on ''[[Picea sitchensis]]'', ''[[Pinus contorta]]'', and ''[[Tsuga heterophylla]]'' in open forests; low to subalpine elevations."