Callitriche heterophylla Pursh var. heterophylla
greater water starwort, two-headed water starwort, variable water starwort
greater water starwort, two-headed water starwort, variable water starwort
April 26,
Drained pond, Tidmarsh Farms, Plymouth
A solitary clump of the native Callitriche amidst invasive Carolina fanwort in a small brook (Wankinco River), an outlet of EastHead Reservoir turned into an irrigation ditch. The reservoir is now heavily infested with Carolina fanwort, which has also entered the out-flowing brook.