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Echinacea and monarch butterfly [graphic] / Brender à Brandis.2000
Brender à Brandis, Gerard William
Serial
Plant Health Care Report: Issue 2000.232000
Danielson, Donna, Jacobs, Karel, Miller, Fredric D., Boland, Tim
Serial
Plant Health Care Report: Issue 2000.162000
Danielson, Donna, Jacobs, Karel, Miller, Fredric D.
Serial
Plant Health Care Report: Issue 2000.092000
Danielson, Donna, Jacobs, Karel, Miller, Fredric D.
Article
Inhibition of fungal pathogens of woody plants by the plant growth regulator paclobutrazol2000
Jacobs, Karel
Article
Twenty-Year Woody Vegetation Changes in Northeastern Illinois Upland Forests2000
Bowles, Marlin L., Jones, Mike, McBride, Jenny, Bell, Timothy J., Dunn, Christopher P.
Photographic image
Ligularia dentata_"Othello", (Othello big-leaved goldenray), flower, leaf2000
Yiesla, Sharon
Serial
Plant Health Care Report: Issue 2000.202000
Danielson, Donna, Jacobs, Karel, Miller, Fredric D.