A partial listing of Racomitrium mosses east of the Cascade Mountains of Oregon and Washington:
The following information was found on the Consortium of Pacific Northwest Herbaria" website (http://www.pnwherbaria.org/index.php).
Racomitrium Moss: Racomitrium aciculare
Long Rock-moss, Elongate Racomitrium Moss: Racomitrium elongatum
Racomitrium Moss: Racomitrium ericoides (Synonyms: Racomitrium canescens f. epilosum, Racomitrium canescens f. ericoides, Racomitrium canescens var. ericoides, Racomitrium canescens var. strictum)
Racomitrium Moss: Racomitrium fasciculare
Yellow-green Rock-moss, Racomitrium Moss: Racomitrium heterostichum (Synonym: Racomitrium heterostichum var. gracilescens)
Western Racomitrium Moss: Racomitrium occidentale (Synonym: Racomitrium heterostichum var. occidentale)
Racomitrium Moss: Racomitrium patens (Synonyms: Dryptodon patens, Grimmia curvata, Grimmia patens)
Racomitrium Moss: Racomitrium sudeticum (Synonym: Racomitrium heterostichum var. sudeticum)
Racomitrium Moss: Racomitrium varium