Species of the Puget Sound and Salish Sea regions
Explore the plants and animals within the Puget Sound and Salish Sea watersheds using the species lists available on this page (in the left margin of a desktop browser or toward the bottom of a smartphone browser). You can also query species directly using the search box below, although results will not be available for every species in the region. The search box only searches our available species lists, which we will continue to update. In some cases, species accounts are provided by the Encyclopedia of Life and NatureServe, as well as regional sources where available.
- Somatochlora minor- (Ocellated Emerald)
- Somatochlora semicircularis- (Mountain Emerald)
- Somatochlora walshii- (Brush-tipped Emerald)
- Somatochlora whitehousei- (Whitehouse's Emerald)
- Somniosus pacificus- (Pacific Sleeper Shark)
- Sonchus arvensis- (Field Sowthistle)
- Sonchus arvensis ssp. arvensis- (Field Sowthistle)
- Sonchus arvensis ssp. uliginosus- (Field Sowthistle)
- Sonchus asper- (Spiny-leaf Sowthistle)
- Sonchus asper ssp. asper- (Spiny-leaf Sowthistle)
- Sonchus oleraceus- (Common Sowthistle)
- Soranthera ulvoidea
- Sorbaria arborea- (Giant False Spiraea)
- Sorbus aucuparia- (European Mountain-ash)
- Sorbus scopulina- (Greene's Mountain-ash)
- Sorbus scopulina var. cascadensis- (Greene's Mountain-ash)
- Sorbus scopulina var. scopulina- (Greene's Mountain-ash)
- Sorbus sitchensis- (Sitka Mountain-ash)
- Sorbus sitchensis var. grayi- (Sitka Mountain-ash)
- Sorbus sitchensis var. sitchensis- (Sitka Mountain-ash)
- Sorex bendirii- (Marsh Shrew)
- Sorex cinereus- (Cinereus Shrew)
- Sorex hoyi- (American Pygmy Shrew)
- Sorex merriami- (Merriam's Shrew)
- Sorex monticolus- (Dusky Shrew)
- Sorex palustris- (American Water Shrew)
- Sorex preblei- (Preble's Shrew)
- Sorex rohweri- (Rohwer's Shrew)
- Sorex trowbridgii- (Trowbridge's Shrew)
- Sorex trowbridgii destructioni- (Destruction Island Shrew)
- Sorex vagrans- (Vagrant Shrew)
- Sorghum halepense- (Johnson Grass)
- Soyedina interrupta- (Broken Forestfly)
- Soyedina producta- (Knobbed Forestfly)
- Sparganium androcladum- (Branching Bur-reed)
- Sparganium angustifolium- (Narrowleaf Bur-reed)
- Sparganium erectum- (Simple-stem Bur-reed)
- Sparganium erectum ssp. stoloniferum- (Simple-stem Bur-reed)
- Sparganium eurycarpum- (Large Bur-reed)
- Sparganium fluctuans- (Floating Bur-reed)
- Sparganium natans- (Small Bur-reed)
- Sparlingia pertusa
- Spartina alterniflora- (Saltwater Cordgrass)
- Spartina anglica- (Common Cordgrass)
- Spartina densiflora- (Humboldt Cordgrass)
- Spartina gracilis- (Alkali Cordgrass)
- Spartina patens- (Saltmeadow Cordgrass)
- Spartina pectinata- (Fresh Water Cordgrass)
- Spartina x townsendii- (Townsend's Cordgrass)
- Spartium junceum- (Spanish Broom)
