Philonotis seriata
From Natural History of Southeast Alaska
Philonotis seriata:
Southeastern Alaska Distribution: Known only from Juneau (Holzinger and Frye, 1921).
Habitat: Wet soils, stream banks, by springs, in seeps, etc.
Comments: Frequently with sporophytes. The Alaskanand Greenland plants may not be the same as the European material (Grout, 1928-40; Podpera, 1954; Persson, 1954).