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Read, C. B. , 19^6, A Pennsylvanian florule from the Forkston Coal in the Dutch Moun- 

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Read, C. B, and S. H. Mamay, 196*+, Upper Paleozoic floral zones and floral provinces 

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Read, C. B., and C. W. Merriam, 19^0, A Pennsylvanian flora from central Oregon: 

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Reinertsen, D. L. , 1964, Strippable coal reserves of Illinois. Part h — Adams, Brown, 

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Remy, Winfried, and Renate Remy, 1959, Pflanzenfossilien. Ein Fiihrer durch die Flora 

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Remy, Winfried, and Renate Remy, 1975a, Lesleya weilerbachensis n. sp. aus dem hb*heren 

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Remy, Renate, and Winfried Remy, 1975b, Zur Ontogenie der Sporangiophore von Calamos- 

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Savage, T. E., and J. A. Udden, 1921, Geology and mineral resources of the Edgington 

 and Milan Quadrangles: Illinois State Geological Survey Bulletin 38-C, 96 p. 



Schimper, W. P., 1869, Traite" de Pale'ontologie ve'ge'tale: Paris, Bailliere et Fils, 

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Stafleu, F. A. (chairman), 1972, International code of botanical nomenclature: A. 

 Oosthoek's Uitgeversmaatschappij N. V., Utrecht, Netherlands, ^26 p. 



Stidd, B. M. , and T. L. Phillips, 1973, The vegetative anatomy of Schopfiastrum decus- 

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Stockmans, Francois, and Yvonne Williere, 1953, Ve'ge'taux Namuriens de la Belgique: 



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Stockmans, Francois, and Yvonne Williere, 1955, Ve'ge'taux Namuriens de la Belgique, 



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Stopes, M. C, 191J+, The "Fern Ledges" Carboniferous flora of St. John, New Brunswick: 

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Tidwell, W. D.,. 1967, Flora of the Manning Canyon Shale. Part I. A lowermost Pennsyl- 

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 6 tables, 10 pis. 



Upshaw, C. F., and W. B. Creath, 1965, Pennsylvanian miospores from a cave deposit in 

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White, David, 1895, The Pottsville Series along New River, West Virginia: Bulletin 

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White, David, 1908, Report on field work done in 1907: Illinois State Geological 

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