Little Pipsissewa, Little Prince's-pine, Little Prince's Pine: Chimaphila menziesii (Synonym: Pyrola menziesii) - Flowers single or in clusters of up to 3. Distal end of filaments expanded and hairy. Peduncles (floral stem from uppermost leaf to base of inflorescence) 2-5 cm long. Leaves ellipical, the blades 2-6 cm long.
Common Prince's-pine, Prince's Pine, Pipsissewa: Chimaphilla umbellata var. occidentalis (Synonyms: Chimaphila occidentalis, Chimaphila umbellata ssp. occidentalis, Chimaphila umbellata ssp. umbellata) - Inflorescence usually of 5-15 flowers. distal end of filaments expanded and glabrous. Peduncles (floral stem from uppermost leaf to base of inflorescence) 5-10 cm long. Leaves elliptic-oblanceolate, the blades 3-7 cm long.