[28] In 1916 in Allen County along Cedar Creek, I measured a specimen that was 15.6 dm. in circ. b.h. with a clear bole of about 3m.
[29] Proc. Ind. Acad. Sci. 1917:443:1918.
[30] Ind. Geol. Rept. 18:61:1894.
[31] Minnesota Bot. Studies 4:454:1916.
[32] Sargent in Bot. Gaz. Vol. 65:435:1918.
[33] This hybrid was described in the Report of the Indiana State Board of Forestry for 1911.
[34] Elliott: Histological variations of Quercus Muhlenbergii. University of Kansas Science Bul. 9:45:54:8 Plates:1914.
[35] Gorby: Trees and shrubs indigenous to Miami County, Ind. Geol. Rept. 16:168-170:1889.
[36] Wilson: Flora of Hamilton and Marion Counties, Indiana. Proc. Ind. Acad. Science. 1894:156-176:1895.
[37] Higley and Raddin: Flora of Cook County Illinois, and a part of Lake County Indiana. Bul. Chicago Acad. Sci. Vol. 2: 106:1891