Little Pipsissewa, Little Prince's-pine, Little Prince's Pine, Pipsissewa: Chimaphila menziesii (Synonym: Pyrola menziesii) - Stems reddish, 6-10 cm high. Flowers 1-3 with filaments hairy over the entire swollen portion of the base. Leaves elliptic.
Common Prince's-pine, Prince's Pine, Pipsissewa: Chimaphila umbellata var. occidentalis (Synonyms: Chimaphila occidentalis, Chimaphila umbellata ssp. occidentalis, Chimaphila umbellata ssp. umbellata) - Stems green to yellowish-green and 20-30 cm high. Flowers usuallynumber more than 3 with the filaments ciliate on the swollen base. Leaves oblanceolate.