Article
River Birch, Betula nigra: Birch Family (Betulaceae)December 21 1969 – March 20 1970
Tyznik, Anthony
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Arctostaphylos uva-ursi (L.) Spreng. (bearberry), leaves and fruitDecember 1969
Kohout, John
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Berberis thunbergii De Candolle (Japanese barberry), stem with leavesNovember 1969
Stickney, William S.
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Anemone cylindrica (Thimbleweed), habit, fallOctober 13 1969
Hedborn Jr., Edward A.
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Lespedeza capitata (Round-headed Bush-clover), habit, fallOctober 1969
Hedborn Jr., Edward A.
Article
Introduced Woody Plants in the Flora of the Chicago RegionSeptember 21 – December 20 1969
Swink, Floyd, Schulenberg, Ray
Article
Kentucky Coffee-tree, Gymnocladus dioicus: Pea Family (Leguminosae)September 21 – December 20 1969
Tyznik, Anthony
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Dalea candida (White Prairie Clover), habit, summerSeptember 1 1969
Hedborn Jr., Edward A.
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Abies nordmanniana (Stev.) Spach (Nordmann’s fir), cones and foliageSeptember 1969
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Lespedeza capitata (Round-headed Bush-clover), habit, fallSeptember 1969
Hedborn Jr., Edward A.