26 ILLINOIS STATE GEOLOGICAL SURVEY CIRCULAR 463 



Kidston, R. , 1923, Fossil plants of the Carboniferous rocks of Great Britain: 

 Mem. Geol. Surv. Great Britain, Paleont., v. 2, pt. 4, p. 275-376. 



Knopp, G., 1933, Palaobotanische Studien uber das Albert - und das Augustens- 

 freudefloz der Lazisker Schichten (Westfal B) in polnisch Oberschlesien: 

 Arbeiten Inst. Palaobotanik Petrogr. Brennsteine, v. 3, p. 152-193. 



Kosanke, R. M., 1950, Pennsylvanian spores of Illinois and their use in correla- 

 tion: Illinois Geol. Survey Bull. 74, 128 p. 



Kosanke, R. M., 1955, Mazostachys - A new calamite fructification: Illinois 

 Geol. Survey Rept. Inv. 180, 37 p. 



Langford, G. , 1958, The Wilmington coal flora from a Pennsylvanian deposit in 



Will County, Illinois: Esconi Associates, Downers Grove, Illinois, 360 p. 



Langford, G. , 1963, The Wilmington coal fauna and additions to the Wilmington 

 coal flora from a Pennsylvanian deposit in Will County, Illinois: Esconi 

 Associates, Downers Grove, Illinois, 280 p. 



Laveine, J. P., 1969, Quelques pecopteridinees houill^res a la lumi^re de la 

 palynologie: Pollen et Spores, v. 11, p. 619-668. 



Laveine, J. P., 1970, Quelques pecopteridinees houille*res c? la lumiere de la 



palynologie (II). Implications paleobotaniques et stratigraphiques: Pol- 

 len et Spores, v. 12, p. 235-297. 



Lesquereux, L. , 1866, Report on the fossil plants of Illinois, in A. H. Worthen, 

 Palaeontology: Geol. Sur. of 111., v. 2, p. 425-667. 



Lesquereux, L. , 1870, Report on the fossil plants of Illinois, in A. H. Worthen, 

 Geology and palaeontology: Geol. Surv. of 111., v. 4, p. 375-508. 



Lesquereux, L. , 1879, 1880, 1884, Description of the coal flora of the Carbonifer- 

 ous formation in Pennsylvania and throughout the United States: Second 

 Geol. Surv. Pennsylvania, Report of Progress P: Atlas, 1879; v. 1 and 2, 

 p. 1-694, 1880; v. 3, p. 695-977, 1884. 



Mamay, S. H., 1950, Some American Carboniferous fern fructifications: Ann. 

 Missouri Bot. Garden, v. 37, p. 409-459. 



Menerdez, C. A., and C. L. Azcuy, 1969, Microflora Carbonica de la Localidad 

 de Paganzo, Parte I: De Ameghiniana, v. 6, no. 2, p. 77-97. 



Moore, L. R. , 1946, On the spores of some Carboniferous plants; their develop- 

 ment: Geol. Soc. London, Quart. Jour., v. 102, pt. 3, p. 251-298. 



Moore, L. R., 1965, Concerning "The natural relationships of some Carboniferous 

 microspores" by Brush and Barghoorn: Jour. Paleont., v. 39, p. 296-297. 



Nemejc, F., 1938, A revision of the Carboniferous and Permian floras of the coal 

 districts of central Bohemia (part 2. Sphenopterides: A. Coenopteridae): 

 Palaeontographica Bohemiae, no. 16, p. 33-56. 



Noe, A. C., 1925, Pennsylvanian flora of northern Illinois: Illinois Geol. Survey 

 Bull. 52, 113 p. 



Noe, A. C, 1930, Correlation of Illinois coal seams with European horizons: Illi- 

 nois Acad. Sci. Trans., 1929, v. 22, p. 470-472. 



