Tags: Cultivar (Cultivated Variety).
The American Elm Ulmus americana cultivar ‘Delaware’ was originally selected (as tree number 218) from 35000 seedlings inoculated with the Dutch elm disease fungus in USDA trials at Morristown New Jersey.
Tags: Cultivar (Cultivated Variety).
The American Elm Ulmus americana cultivar ‘Delaware’ was originally selected (as tree number 218) from 35000 seedlings inoculated with the Dutch elm disease fungus in USDA trials at Morristown New Jersey.
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