| Habitat:
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Old field, once dominated by Ulmus americana; mowed, never pastured or plowed. Soil: glacial silt loam, humic gley at 2 ft. Assoc.: Phalaris arundinacea, Aster novae-angliae, Sonchus.. |
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| Text:
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pH 6.8. Young trees in old field, also growing along E banks. Winter twig collected 19/Mar/1976, fruits collected 14/May/1976.
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