]> [author note: Herbarium and types: NY; additional material at BCL, MICH, NHA, also at Bates College, Lewiston, Maine] [collector note: N.E. United States (& Canada?): BCL, MICH, NHA, NY.] Botany Willis, Oliver Rivington Willis, Oliver Rivington O. R. Willis Oliver Rivington Willis 1815 1902