Diploid Piggyback Plant, Southern Piggyback Plant: Tolmiea diplomenziesii (Synonym: Tolmiea menziesii) - Stem leaves noticeably longer than wide. Plantlets rarely formed at the base of the leaf blade.
Piggyback-plant, Piggyback Plant: Tolmiea menziesii (Synonym: Tiarella menziesii) - Stem leaves about as long as wide. Plantlets frequently formed at the base of the leaf blade.