Plantae > Tracheophyta > Magnoliopsida > Lamiales > Plantaginaceae > Penstemon > Penstemon laxiflorus Penstemon laxiflorus (nodding beardtongue)Synonyms: Penstemon australis ameles; Penstemon australis laxiflorus (homotypic); Penstemon australis var. ameles
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