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Plantaginaceae
Penstemon
Penstemon laxiflorus
Penstemon laxiflorus
Pennell, 1935
10% complete
Nodding beardtongue
Acad. Nat. Sci. Philadelphia Monogr. 1:229. 1935
Specifications
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Synonyms
Penstemon australis subsp. laxiflorus
(Pennell) R.W.Benn.