Marchantia polymorpha
From Natural History of Southeast Alaska
Marchantia polymorpha:
Family: Marchantiaceae
Status: Documented
Abundance: ?
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. Sperading 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 consideraable variation.
