Plan
[Planting plans for Courtland Street and Palmer Street [cartographic material] / O.C. Simonds].20th century
Simonds, O. C.
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
Specimen
X-disease (Unnamed phytoplasma) on Prunus virginiana L. (choke cherry)August 1 1997
Jacobs, Karel
Specimen
Woolly apple aphid damage (Eriosoma lanigerum) on Crataegus kansuensis Wils. (Gansu hawthorn)June 25 1997
Danielson, Donna
Specimen
Witches’ broom of hackberry (Sphaerotheca phytotophila & Eriophyes celtis) on Celtis occidentalis L. (hackberry)August 28 1997
Danielson, Donna
Specimen
Witches' broom (Unknown) on Pinus strobus L. (eastern white pine)July 30 1997
Danielson, Donna
Drawing
Ussurian pear = [graphic] Pyrus ussuriensis var. ovoidea / Nancy S. Hart Stieber.1997
Hart, Nancy
Plan
Union Park, [Chicago [cartographic material] : planting plan] / Jens Jensen.20th century
Jensen, Jens
Specimen
Twomarked treehopper damage and egg coverings (Enchenopa binotata) on Ptelea trifoliata L. (wafer-ash)August 6 1997
Danielson, Donna