The Plant List — A working list for all plant species

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5 plant name records match your search criteria Penstemon speciosus. The results are below.

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See "Status", "Confidence level", "Source" for definitions.

Name Status Confi­dence level Source Date supplied
Penstemon speciosus Douglas ex Lindl. Accepted M TRO
Penstemon speciosus subsp. kennedyi (A. Nelson) D.D. Keck Accepted L TRO
Penstemon speciosus subsp. lemhiensis D.D. Keck Synonym L TRO
Penstemon speciosus var. piliferus (A. Heller) Munz & I.M. Johnst. Accepted L TRO
Penstemon speciosus subsp. speciosus Synonym L TRO