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By: Engel, John J., - Schuster, Rudolf MType: ArticleIn: Fieldiana. BotanyVolume: 42Series:Issue:Date: 2001-08-31Page Range: 1--107Publication Info: [Chicago], Chicago Natural History Museum, 1958-Subjects:
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By: Schuster, Rudolf M - Engel, John J.,Type: ArticleIn: PhytologiaVolume: 50Series:Issue: 3Date: 1982Page Range: 177--180Publication Info: Bronx Park, New York H.A. Gleason and H.N. MoldenkeSubjects:
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By: Schuster, Rudolf M - Engel, John J.,Type: ArticleIn: PhytologiaVolume: 62Series:Issue: 1Date: 1987Page Range: 9--12Publication Info: Bronx Park, New York H.A. Gleason and H.N. MoldenkeSubjects:
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By: Schuster, Rudolf MType: ArticleIn: Journal of the New York Entomological SocietyVolume: 58Series:Issue:Date: 1950Page Range: 192--198Publication Info: Lawrence, Kan Allen Press [etc.]Subjects: