25 September 2018.
Hokkaidô, Japan
Locality: Hokkaido Prefecture, Hidaka Subprefecture: Hidaka District [originally listed as Shizunai]: Hokkaido University Agriculture Research Farm. [Town/district originally listed as Shizunai; following a merger with Mitsuishi the town is now known as Shinhidaka, and is in the newly created Hidaka District, which is comprised of former Shizunai District and Mistsuishi District.]
Coordinates: 42.4334, 142.4840
(Map it)
Elevation: 111m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: Growing at embankment edge of creek in wet clay soil. Slope: flat. Aspect: South exposure.
Number of plants sampled: 1
Associated species: Cercidiphyllum japonicum; Cynanchum sp.
Comment: 30 foot by 20 foot tree. Olive green foliage, heavily damaged from insects and fungal pathogens. Seeds collected from one individual.