Diploid Piggyback Plant, Southern Piggyback Plant: Tolmiea diplomenziesii (Synonym: Tolmiea menziesii) - Cauline leaves not or slightly longer than wide, excluding the basal lobes. Plantlets frequently formed. California and Oregon.
Piggyback Plant, Piggyback-plant, Youth-on-age Tolmiea menziesii - Stem leaves longer than wide, excluding the length of the basal lobes. Plantlets on leaves sporadically produced. Alaska, BC, Oregon and Washington.