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The Morton Arboretum Staff Publications and Dataset Collection
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The Morton Arboretum Records: Research
people, organizations and landmarks:
Armstrong, Patricia K.
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Article
Ten years in a backyard prairie
March 27 1999
Armstrong, Patricia K.
Article
Parmelia substygia in Wisconsin
1970
Armstrong, Patricia K.
Article
Another ice age on the way?
June 1970
Armstrong, Patricia K.
Book
Alpine flower friends: plants & people I have known & loved
2012
Armstrong, Patricia K.
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