| site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
|---|---|---|---|---|---|---|---|---|---|
| A | Puget Sound, Washington, USA | 1657 | prior to 1933 | type locality | Freeman D (1933): ; from Hyman LH (citation)- p. 330 | ||||
| B | San Juan Island, San Juan County, Washington, United States | 3780 | 1933 or earlier | default type | Freeman D (1933): abstract |