Penstemon pallidus subsp. arkansanus (Pennell) R.W.Benn.

, Phytologia 9: 57 (1963). BHL
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:187634-2
Publication
Phytologia; Designed to Expedite Botanical Publication. New York
Collation
9: 57
Family as entered in IPNI
Scrophulariaceae

Links

Nomenclatural link
Penstemon arkansanus Pennell, Proc. Acad. Nat. Sci. Philadelphia 73: 493 (1922).