Species Regional Summary
Diplosoma listerianum
Puget Sound to Northern California ( NEP-IV )

Invasion

Invasion Description

1st Record?- Coos Bay/OR/Isthmus Slough (Coos Bay) (1988, Hewitt 1993)

Geographic Extent

CA/Humboldt Bay (2001, Fairey et al. 2002; Ruiz et al., unpublished data; 2008, Nelson 2009); Coos Bay/OR/Isthmus Slough (Coos Bay) (1988, Hewitt 1993); OR/Coos Bay (2001, Ruiz et al., unpublished data)