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Petrophytum caespitosum (Rock-spirea), habitatOctober 7 1980
Hedborn Jr., Edward A.
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Petrophytum caespitosum (Rock-spirea), habitat, habit, fallOctober 7 1980
Hedborn Jr., Edward A.
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Petrophytum caespitosum (Rock-spirea), habitat, habit, fallOctober 7 1980
Hedborn Jr., Edward A.
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Petrophytum caespitosum (Rock-spirea), habitat, habit, fallOctober 7 1980
Hedborn Jr., Edward A.
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Penstemon procerus (Small-flowered Penstemon), habit, fall, habitatOctober 6 1980
Hedborn Jr., Edward A.
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Penstemon procerus (Small-flowered Penstemon), habit, fall, habitatOctober 6 1980
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 calycosus (Smooth Penstemon), inflorescenceJuly 3 1976
Hedborn Jr., Edward A.
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Penstemon calycosus (Smooth Penstemon), flower, fullJuly 3 1976
Hedborn Jr., Edward A.
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Paxistima myrsinites (Oregon boxwood), leaf, fallSeptember 11 1981
Hedborn Jr., Edward A.
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Paxistima myrsinites (Oregon boxwood), habit, fall, leaf, fallSeptember 11 1981
Hedborn Jr., Edward A.
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Paxistima myrsinites (Oregon boxwood), habit, fall, leaf, fallSeptember 11 1981
Hedborn Jr., Edward A.
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Passiflora incarnata (purple passionflower), flower, fullJuly 1974
Hedborn Jr., Edward A.
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Passiflora incarnata (purple passionflower), flower, fullJuly 1974
Hedborn Jr., Edward A.
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Parnassia glauca (Grass of Parnassus), habit, fall, flower, fullSeptember 17 1976
Hedborn Jr., Edward A.
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Parietaria pensylvanica (Pennsylvania Pellitory), habitat, habit, fallAugust 31 1976
Hedborn Jr., Edward A.
Document
1957/04/18: Henry T. Skinner to C. E. GodshalkApril 18 1957
Skinner, Henry T., Skinner, Henry T.