the_land_philosopher's Identifications

syn. Viola palmata var. angelliae (Pollard) W. Stone, growing beneath large old white oaks on a ridge near hemlocks, unique lateral petal pubescence, stems and other flower parts pubescent (see also https://www.inaturalist.org/observations/199643111 for 870515046b). No. 870515046a.
See also: http://beta.floranorthamerica.org/Viola_subsinuata
https://people.ohio.edu/ballardh/vgpena/taxa/violasubsinuatasensustricto.htm
Pittonia 4: 4. 1899.
https://www.biodiversitylibrary.org/item/52476#page/8/mode/1up

syn. Viola palmata var. angelliae (Pollard) W. Stone, growing along the edge of the bridle trail near white pine ridge, pubescent stems and inflorescence, unique lateral petal pubescence (see also https://www.inaturalist.org/observations/199642586 for 870515046a) No. 870515046b.
See also: http://beta.floranorthamerica.org/Viola_subsinuata
https://people.ohio.edu/ballardh/vgpena/taxa/violasubsinuatasensustricto.htm
Pittonia 4: 4. 1899.
https://www.biodiversitylibrary.org/item/52476#page/8/mode/1up