- Ann Arbor, Botanical Gardens.1
- Ann Arbor, Matthaei Botanical Gardens, Cummings Marsh [A 1961 map of the UM Botanical Gardens indicates “Cummings Marsh” was at the north-central part of the property. Lat. 42.3183 Long. -83.6591.]1
- Antigua1
- Au Sable R., near Grayling,1
- Autlán de Navarro1
- Benzie1
- Biltmore1
- Botanical Gardens, Ann Arbor.1
- Bradley1
- Buncombe1
- Burt Lake,1
- Ca. 4 miles northeast of Mio, T27N, R3E, Sect. 28.1
- Champaign1
- Chhattisgarh1
- Chippewa1
- Clearwater Lake plot 11
- Clinton1
- Crawford1
- E shore of Black River.1
- E. Silver Lake1