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Arenaria capillaris Poir. (beautiful sandwort), habit, habitat July 1977
Coulter, Ronald M.
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Arenaria capillaris Poir. (beautiful sandwort), habit, habitatJuly 1977
Coulter, Ronald M.
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Arenaria capillaris Poir. (beautiful sandwort), flowersJuly 1976
Coulter, Ronald M.
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Arctostaphylos uva-ursi (L.) Spreng. (bearberry), habitDecember 1989
Coulter, Ronald M.
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Arctostaphylos uva-ursi (L.) Spreng. (bearberry), habitatJuly 1976
Coulter, Ronald M.
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Arctostaphylos nevadensis A.Gray (pinemat manzanita), habitatJuly 1976
Coulter, Ronald M.
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Arctostaphylos nevadensis A.Gray (pinemat manzanita), habitatJuly 1976
Coulter, Ronald M.
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Arctostaphylos nevadensis A.Gray (pinemat manzanita), flowersJuly 1976
Coulter, Ronald M.
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Arctostaphylos nevadensis A.Gray (pinemat manzanita), flowers and leaves
July 1976
Coulter, Ronald M.
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Arctostaphylos nevadensis A.Gray (pinemat manzanita), branches with fruit and leaves August 1971
Coulter, Ronald M.
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Asarum caudatum Lindl. (British Columbia wild ginger), leaf, upper surfaceJuly 10 1977
Coulter, Ronald M.
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Mahonia nervosa (Pursh) Nutt. (Cascades grape-holly), branches with compound leavesJuly 12 1976
Coulter, Ronald M.
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Mahonia nervosa (Pursh) Nutt. (Cascades grape-holly), several branches with compound leavesSeptember 11 1972
Coulter, Ronald M.
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Mahonia nervosa (Pursh) Nutt. (Cascades grape-holly), a few leaflets with insect damage, developing fruitsCoulter, Ronald M.
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Acer circinatum (vine maple), leaves and fruit in summerJuly 7 1976
Coulter, Ronald M.
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Platanus occidentalis (sycamore), trunks, branches, and autumn leavesNovember 1968
Coulter, Ronald M.
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Populus deltoides (eastern cottonwood), bare twigs and branchesNovember 1968
Coulter, Ronald M.