Collecting site

Hidaka-sammyaku (Hidaka mountains, Hitaka), Japan

latitude: 42.583302     42°34'59.89"N
longitude: 142.75     142°45'0"E

[Precision of location: Alexandria Digital Library (with NGA GNDB data)]
[Site Named Here by name of island, bay, strait, lake, river, or stream, etc., named in source publication]

Collected here:

Dugesia japonica Ichikawa & Kawakatsu, 1964	1974 or earlier			South and Central Hokkaido (seaboard and the Lake Onuma districts in the Oshima Peninusula, northeastern part of the Lake Shikotsu-ko district, the Erimo Cape, the Hidaka Mountains, the Mts. Daisetsu district and the southern part Kitami Mts.)
Phagocata vivida (Ijima & Kaburaki, 1916)	1974 or earlier			South and Central Hokkaido (seaboard and the Lake Onuma districts in the Oshima Peninusula, northeastern part of the Lake Shikotsu-ko district, the Erimo Cape, the Hidaka Mountains, the Mts. Daisetsu district and the southern part Kitami Mts.)
Polycelis (Polycelis) sapporo (Ijima & Kaburaki, 1916)	1974 or earlier			South and Central Hokkaido (seaboard and the Lake Onuma districts in the Oshima Peninusula, northeastern part of the Lake Shikotsu-ko district, the Erimo Cape, the Hidaka Mountains, the Mts. Daisetsu district and the southern part Kitami Mts.)
Polycelis auriculata Ijima & Kaburaki, 1916	1974 or earlier			South and Central Hokkaido (seaboard and the Lake Onuma districts in the Oshima Peninusula, northeastern part of the Lake Shikotsu-ko district, the Erimo Cape, the Hidaka Mountains, the Mts. Daisetsu district and the southern part Kitami Mts.)
Phagocata tenella Ichikawa & Kawakatsu, 1963	1963 or earlier			Hokkaidô (Mt. Apoi in the Hidaka Mountains).