Pellia epiphylla (L.) Corda.
Annotated by Martin Hutten, 1 Jan 2013. Remarks: Both male and female seen but appear not on same thallus; Former nature_of_id: expert.

Alaska: NW_Lagoon_Beach_20120828. Elev. 30-30
59.74992° N, 149.85205° W,
Datum: North American Datum 1983. Coordinate Source: Global Positioning System (transcription). not recorded. unverified.
Full shade, periodically flooded, organic soil; Mid-successional Picea sitchensis floodplain with late-successional Picea sitchensis hillslopes and cliff bands. Http://arctos.database.museum/guid/UAMb:Herb:52190.

Martin Hutten 16131, 28 August 2012
With James Walton, Stacey Torigoe
ALA, Catalog: UAMb:Herb:52190, ALAAC=B042681; U. S. National Park Service accession=KEFJ-278; U. S. National Park Service catalog=19119