Browsing by decade: language:
Article
River Birch, Betula nigra: Birch Family (Betulaceae)December 21 1969 – March 20 1970
Tyznik, Anthony
Article
Tulip Tree, Liriodendron tulipifera: Magnolia Family (Magnoliaceae)March 21 – June 20 1970
Tyznik, Anthony
Article
Firethorn (Pyracantha) in Northeast Illinois: A Second LookJune 21 – September 20 1970
Rouffa, Albert S.
Article
Prairie Crab Apple, Malus Ioensis: Rose Family (Rosaceae)September 21 – December 20 1970
Tyznik, Anthony
Article
Mathematics, Ecology & A Piece Of Land: The Illusion Of PredictabilityDecember 21 1970 – March 20 1971
Etter, Alfred G.
Article
Chinese Chestnut, Castanea mollissima: Beech Family (Fagaceae)December 21 1970 – March 20 1971
Tyznik, Anthony
Article
Amur Cork-tree, Phellodendron amurense: Rue Family (Rutaceae)September 21 – December 20 1971
Tyznik, Anthony