Plantaginaceae Penstemon pinifolius | Taxonomy

Penstemon pinifolius--AZ. Arboretum at Flagstaff. 3 Sep 04. 174.jpg

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Penstemon pinifolius--AZ. Arboretum at Flagstaff. 3 Sep 04. 171.jpg

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Penstemon pinifolius--AZ. Arboretum at Flagstaff. 3 Sep 04. 176.jpg

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Penstemon pinifolius--AZ. Arboretum at Flagstaff. 3 Sep 04. 170.jpg

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Penstemon pinifolius--AZ. Arboretum at Flagstaff. 3 Sep 04. 175.jpg

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Penstemon pinifolius