Search results for termid:"Penstemon " (97 object Results)
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Penstemon digitalis Nutt. (foxglove penstemon), seedlings, leaves, upper surface May 13 2021
Kluge, Mark
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Penstemon digitalis Nutt. (foxglove penstemon), seedling, leaves, upper surfaceJune 9 2021
Kluge, Mark
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Penstemon hirsutus (L.) Willd. (hairy penstemon), seedlings, leaves, upper surface May 13 2021
Kluge, Mark
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Penstemon hirsutus (L.) Willd. (hairy penstemon), seedling, leaves, upper surfaceJune 9 2021
Kluge, Mark
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Penstemon hirsutus (L.) Willd. (hairy penstemon), seedling, stem and leaf, upper surface June 9 2021
Kluge, Mark
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Penstemon 'Dark Towers' (PP 20013) (Dark Towers Penstemon), habit, fallSeptember 28 2016
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Penstemon 'Dark Towers' (PP 20013) (Dark Towers Penstemon), leaf, fallSeptember 28 2016
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Penstemon 'Dark Towers' (PP 20013) (Dark Towers Penstemon), leaf, upper surfaceSeptember 28 2016
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Penstemon calycosus (Smooth Penstemon), flower, fullJuly 3 1976
Hedborn Jr., Edward A.
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Penstemon calycosus (Smooth Penstemon), inflorescenceJuly 3 1976
Hedborn Jr., Edward A.
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Penstemon digitalis 'Pocahontas' (Pocahontas foxglove penstemon), habit, summerJuly 5 2017
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Penstemon digitalis 'Pocahontas' (Pocahontas foxglove penstemon), infructescenceJuly 5 2017
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Penstemon digitalis 'Pocahontas' (Pocahontas foxglove penstemon), infructescenceJuly 5 2017
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Penstemon digitalis 'Pocahontas' (Pocahontas foxglove penstemon), infructescenceJuly 5 2017
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Penstemon digitalis (Foxglove Penstemon), flower, fullJune 12 2012
Hedborn Jr., Edward A.
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Penstemon digitalis (Foxglove Penstemon), flower, sideJune 12 2012
Hedborn Jr., Edward A.
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Penstemon digitalis (Foxglove Penstemon), habit, summerJune 12 2012
Hedborn Jr., Edward A.
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Penstemon digitalis (Foxglove Penstemon), inflorescenceJune 12 2012
Hedborn Jr., Edward A.
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Penstemon digitalis (Foxglove Penstemon), leaf, lower surfaceJune 12 2012
Hedborn Jr., Edward A.
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Penstemon digitalis (Foxglove Penstemon), leaf, summerJune 12 2012
Hedborn Jr., Edward A.
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Penstemon fruticosus var. fruticosus (Shrubby Beard Tongue), habit, fallOctober 6 1980
Hedborn Jr., Edward A.
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Penstemon gracilis var. wisconsinensis (Wisconsin Penstemon), bark, stemJune 2 2012
Hedborn Jr., Edward A.
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Penstemon gracilis var. wisconsinensis (Wisconsin Penstemon), bark, stem, leaf, summerJune 16 2008
Hedborn Jr., Edward A.