Browsing by decade: collection:
Photographic image
The Morton Arboretum East Gatehouse and Visitor Center Site Pre-ConstructionJuly 14 1971
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.