Overlapping markers can be separated by clicking on them.
Hovering the cursor over a marker will show the site's name.
Clicking on a marker will show information available about the collection site. (Compare with corresponding letter in table.)
| Scroll through list of sites as necessary. | site | collection date | depth | substrate | salin | locality kind | comments | reference |
|---|---|---|---|---|---|---|---|---|
| A | Honshû (Hondo, Honsyu, Honshiu, Honschiu) Island, Japan | 1916 or earlier | freshwater | default type | Middle and North Honshû. | Ijima I, Kaburaki T (1916) from Kawakatsu 1969 (citation)- p. 80 | ||
| B | Nagano, Japan | 1952-1971 | freshwater | found only in some stations in the vicinity of Nagano City. | Kawakatsu M, Murayama H, Nimura F (1971) 51-52 | |||
| C | Tashiro, Aomori Prefecture, Japan | 1970 or earlier | freshwater | was found only the Tashiro Height. | Kawakatsu M, Teshirogi W, Fujiwara H (1970) 127-128 | |||
| D | Hirosaki, Japan | 2000 or earlier | from a spring in Hirosaki. | Asano Y, Yoshida A, Isozaki N, Ishida S (2001) 137 | ||||