Supplemental Table S1. Detailed sampling sites where surveys for Musculista senhousia were performed, indicating where mussels were present (P) or absent (A). Sites where Musculista senhousia was previously reported are marked with an asterisk.
Location Latitude, Longitude Present (P)/ sampled Absent (A)
North Puget Sound, Washington* A
Bayview State Park, Padilla Bay 48o 29' 15'' N, 122o 28' 55'' W
North end of March Point 48o 30' 01'' N, 122o 33' 40'' W
W of S Texas Rd and March Point Road 48o 27' 59'' N, 122o 34' 18'' W
Fidalgo Bay, near 34th St and V Ave 48o 29' 40'' N, 122o 35' 60'' W
South Puget Sound, Washington* A
Bayshore Golf Club, Oakland Bay 47o 14' 51'' N, 123o 02' 12'' W
Hood Canal, Washington (WA) P
Dosewallips Park 47o 41' 25'' N, 122o 53' 15'' W
Grays Harbor, Washington 46o 52' 02'' N, 124o 03' 34'' W A
Bayview Rd, north of Bay City
Willapa Bay, Washington* A
Junction of US 101/ N Nemah Rd E 46o 32' 54'' N, 123o 53' 51'' W
South of Long Island 46o 24' 11'' N, 123o 57' 21'' W
Tillamook Bay, Oregon A
East of Garibaldi Marina 45o 33' 22'' N, 123o 54' 41'' W Between Garibaldi and Bay City 45o 32' 57'' N, 123o 54' 22'' W
Coos Bay, Oregon A
Pine Ave and US 101 43o 22' 58'' N, 124o 13' 11'' W
NW of Hedge Ln and Cape Arago Hwy 43o 22' 07'' N, 124o 17' 47'' W
SE of Boat Basin Rd and Cape Arago Hwy 43o 20' 16'' N, 124o 19' 30'' W
Humboldt Bay, California* A
NW of Bayshore Mall 40o 47' 07'' N, 124o 11' 20'' W
S Jetty Rd, ~1 mi N jetty start 40o 42' 37'' N, 124o 15' 38'' W
Hookton Slough on and near dock 40o 40' 38'' N, 124o 13' 18'' W
Bodega Bay, California* A
N of Pier at end of Eastshore Rd 38o 20' 01'' N, 123o 02' 60'' W
S of Westside Park 38o 18' 56'' N, 123o 03' 21'' W
South Tomales Bay, CA (TB) P
Next to Tomales Bay Oyster Co. 38o 06' 53'' N, 122o 51' 08'' W
San Francisco Bay, CA (SF) P
Fruitvale Bridge, Alameda 37o 46' 06'' N, 122o 13' 49'' W
Morro Bay, CA A
Northernmost corner of bay 35o 22' 19'' N, 120o 51' 38'' W
W of El Moro Ave and 3rd St 35o 19' 34'' N, 120o 50' 26'' W
W of Butte Dr and Nevada Ct 35o 19' 04'' N, 120o 51' 30'' W
Oxnard Harbor, CA A
Marina E of Albacore Way 34o 09' 47'' N, 119o 13' 33'' W
Long Beach Harbor, CA (LB) P
SW corner of Rainbow Harbor 33o 45' 40'' N, 118o 11' 45'' W
Newport Bay, CA P
Shellmaker Island 33o 37' 15'' N, 117o 53' 34'' W
Mission Bay, CA (MB) P
Kendall-Frost Marine Reserve and 32o 47' 25'' N, 117o 13' 45'' W
Northern Wildlife Preserve
San Diego Bay, CA (SD) P
Tidelands Park 32o 41' 27'' N, 117o 09' 50'' W
Auckland, New Zealand (NZ) P
Farm Cove, Tamaki Estuary 36o 53' 25'' S, 174o 52' 46'' E