["Yale University Herbarium", "YU.027958", "Herbarium of Boston State College\nPotamogeton gramineus L.", "Annotated by: C. B. Hellquist 15 Nov. 1978", "HERBARIUM OF YALE UNIVERSITY\nFLORA OF CONNECTICUT, LITCHFIELD COUNTY", "0 1 2 3 4 5 6 7 8 9 10\n\n[ ]\n[ ]\n[ ]\n[ ]\