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Changes in ulmus americana in response to infection by ceratocytis ulmi

Changes in ulmus americana in response to infection by ceratocytis ulmi

Landis, William Ronald

Text (1969)

Part of Electronic Theses & Dissertations

Distinguishing marks of our native elms in their winter condition

Distinguishing marks of our native elms in their winter condition

Ingerson, Seymour L.

Text (1899)

Part of Electronic Theses & Dissertations

Variation between and within nine Eurasian species of Ulmus

Variation between and within nine Eurasian species of Ulmus

Long, Gary (Gary Glenn), 1940-

Text (1971)

Part of Electronic Theses & Dissertations