Summary Worley shows collections span the region. BFNA indicates leaves should be much less twisty than other species in the area. Also leaves at base of sporophyte will be different than the rest of its leaves, and exostome teeth are reflexed.
From Natural History of Southeast Alaska
A list of all pages that have property "Summary" with value "Worley shows collections span the region. BFNA indicates leaves should be much less twisty than other species in the area. Also leaves at base of sporophyte will be different than the rest of its leaves, and exostome teeth are reflexed."