The Plant List — A working list for all plant species

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7 plant name records match your search criteria Penstemon attenuatus. The results are below.

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

Name Status Confi­dence level Source Date supplied
Penstemon attenuatus Douglas ex Lindl. Accepted M TRO
Penstemon attenuatus var. attenuatus Synonym L TRO
Penstemon attenuatus subsp. attenuatus Synonym L TRO
Penstemon attenuatus var. militaris (Greene) Cronquist Accepted L TRO
Penstemon attenuatus var. palustris (Pennell) Cronquist Accepted L TRO
Penstemon attenuatus var. pseudoprocerus (Rydb.) Cronquist Accepted L TRO
Penstemon attenuatus var. varians A. Nelson Synonym L TRO