Explorer's Gentian, Mountain Bog Gentian, Rainier Pleated Gentian: Gentiana calycosa (Synonyms: Gentiana calycosa ssp. calycosa, Gentiana calycosa ssp. obtusiloba, Gentiana calycosa ssp. xantha, Gentiana calycosa var. calycosa, Gentiana calycosa var. obtusiloba, Gentiana calycosa var. xantha, Pneumonanthe calycosa) -
King's Gentian, King's Scepter Gentian, Staff Gentian: Gentiana sceptrum (Synonyms: Gentiana menziesii, Gentiana sceptrum var. cascadensis, Gentiana sceptrum var. humilis, Gentiana sceptrum var. sceptrum) -