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Ray Schulenberg Watering Seedlings in Greenhouse December 1973
Godshalk, Clarence E.
Document
Morton Arboretum Prairie Restoration Project: 1960-1980, Raymond F. Schulenberg 1980s
Schulenberg, Ray
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Baccharis salicina Torr. & Gray (willow baccharis), habitAugust 27 1985
Schulenberg, Ray
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Baccharis salicina Torr. & Gray (willow baccharis), flowers and leavesAugust 27 1985
Schulenberg, Ray
Article
The Arboretum Landscape – A Sesquicentennial PerspectiveDecember 21 1968 – March 20 1969
Schulenberg, Ray
Article
Introduced Woody Plants in the Flora of the Chicago RegionSeptember 21 – December 20 1969
Swink, Floyd, Schulenberg, Ray
Serial
Branches: Newsletter of the Volunteers of The Morton Arboretum, Summer 19851985
Kaskey, Marjorie, Stowell, Gladys