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.
- x Agropogon littoralis
- x Elyhordeum macounii
- x Elyhordeum stebbinsianum
- x Elyleymus aristatus
- x Pseudelymus saxicola
- Xanthium spinosum- (Spiny Cocklebur)
- Xanthium strumarium- (Rough Cocklebur)
- Xanthium strumarium var. canadense- (Canada Cocklebur)
- Xanthium strumarium var. glabratum- (Rough Cockleburr)
- Xanthocephalus xanthocephalus- (Yellow-headed Blackbird)
- Xanthoparmelia mougeotii
- Xanthoria parietina
- Xema sabini- (Sabine's Gull)
- Xenacanthomysis pseudomacropsis
- Xeneretmus latifrons- (Blacktip Poacher)
- Xeneretmus leiops- (Smootheye poacher)
- Xeneretmus triacanthus- (Bluespotted Poacher)
- Xerophyllum tenax- (Western Turkeybeard)
- Xiphister atropurpureus- (Black Prickleback)
- Xiphister mucosus- (Rock Prickleback)
- Xiphophorus maculatus- (Southern Platyfish)
- Xyleborinus alni- (Asian Ambrosia Beetle)
- Xylophaga washingtona
- Xylosandrus germanus- (Black Stem Borer)
- Xyloterinus politus- (Ambrosia Beetle)
