- PacNW Herbaria Records for Marchantia polymorpha
- Search Arctos Database for Marchantia polymorpha (Southeast only)
- Search Arctos Database for Marchantia polymorpha (entire database)
- Encyclopedia of Life search for Marchantia polymorpha
- iNaturalist Observations for Marchantia polymorpha in Southeast Alaska
Southeastern Alaska Distribution: See map 64. Throughout.
Habitat: In various habitats, though only abundant in areas of human disturbance. Usually on seepy soils, in sunny (rarely in deep shade) sites from sea level to the subalpine. Spreading over large areas after fires. Especially common in roadside ditches where extensive colonies may form.
Comments: The plants commonly produce sporophytes. The forms seen in southeastern Alaska show considerable variation.
Worley's map of Marchantia polymorpha collections