Rarity Designations:
MA - State Watch List (var. macouniana) NH - State Endangered (var. langsdorfii) NH - State Indeterminate (var. macouniana) VT - State Historic (var. macouniana) VT - Very rare (state rank: S1 (Critically Imperiled)) (var. langsdorfii) VT WAP (2015) - SGCN (High Priority) (var. langsdorfii) VT WAP (2015) - SGCN (High Priority) (var. macouniana)
BIOLOGY/ECOLOGY
Feeding Type:
Photoautotroph
Type of Spores/Gametophytes:
Two types of spores, unisexual gametophytes