Photographic image
Angelica atropurpurea L. (great angelica), stems and umbels of flowersJune 1997
Shouba, Jack
Document
The Morton Arboretum Calendar 19971997
Nachel, Jim, Irving, Gary, Pollack, Dan, Kotecki, Stan, Kohout, John
Photographic image
Toxicodendron vernix (Poison-sumac), habitat, habit, fallSeptember 27 1997
Hedborn Jr., Edward A.
Photographic image
Toxicodendron vernix (Poison-sumac), habit, fall, infructescenceSeptember 27 1997
Hedborn Jr., Edward A.
Specimen
Yellow-necked caterpillar (Datona ministra) on Crataegus cordata (Washington hawthorn)August 6 1997
Beckett Jr., John L.
Specimen
Yellow-necked caterpillar (Datana ministra) on Betula davurica Pall. (Dahurian birch)August 6 1997
Danielson, Donna