Spotted Coralroot: Corallorhiza maculata var. maculata (Synonyms: Corallorhiza multiflora, Corallorhiza multiflora var. sulphurea, Corallorhiza vancouveriana) - Lower lip of flower bright white with red spots, not or barely expanded at the tip. Unspotted plants and albinos may be seen in some populations.
Pacific Coralroot, Spotted Coralroot, Spotted Coral Root, Summer Coralroot, Western Spotted Coralroot: Corallorhiza maculata var. occidentalis (Synonyms: Corallorhiza grab-hamii, Corallorhiza leimbachiana, Corallorhiza maculata ssp. occidentalis, Corallorhiza multiflora var. occidentalis) - Lower lip of flower bright white with red spots, expanded at the tip. Unspotted plants and albinos may be seen in some populations.
Merten's Coralroot, Merten's Coral Root, Pacific Coralroot, Western Coralroot: Corallorhiza mertensiana (Synonyms: Corallorhiza maculata ssp. mertensiana, Corallorhiza purpurea) - Petals and sepals not prominently striped. Sepals 6-13 mm long. Lower lip deep pink to reddish and generally unspotted except for 2 bumps near the midrib.
Striped Coralroot, Striped Coral Root, Hooded Coralroot: Corallorhiza striata var. striata (Synonyms: Corallorhiza macraei, Corallorhiza ochroleuca, Corallorhiza striata var. flavida, Corallorhiza striata var. ochroleuca) - Sepals and petals pinkish-yellow and strongly 3-5 striped, 8-18 mm long and spreading fairly widely but with the tips pointing forwards.
Vreeland's Striped Coralroot: Corallorhiza striata var. vreelandii (Synonym: Corallorhiza bigelovii, Corallorhiza ochroleuca, Corallorhiza striata var. flavida, Corallorhiza vreelandii) - Sepals and petals pinkish-yellow and strongly 3-5 striped, 5-11 mm long and not expanding, the flower appearing somewhat closed.
Early Coralroot, Northern Coral Root, Yellow Coralroot: Corallorhiza trifida (Synonyms: Corallorhiza corallorhiza, Corallorhiza corallorhiza var. coloradensis, Corallorhiza innata, Corallorhia trifida var. verna, Corallorhiza verna, Corallorhiza wyomingensis) - Petals and sepals not prominently striped. Sepals 5-6 mm long, greenish-yellow to yellowish to off-white.