state level of concern (S2). In New Hampshire this plant is ranked as historical (SH) which means it has not been seen in years in some parts of the state and for other parts of the state the plant is ranked at endangered (E), which indicates it is at a risk of being extinct throughout a significant area it grows in. The subspecies Galium obtusum ssp. filifolium is much less widespread and only occurs in eight states in eastern Northern America, only the New Jersey population is considered to be vulnerable at a state level designation 3. References obtusum Flora of North America Plants described in 1824