| A Spencerites sporangium and associated spores from Kansas |
Leisman, G.A. |
Micropaleontology vol. 8, no. 3, pp. 396-402 |
1962 |
N/A
|
| A century of progress in paleobotany in Kansas |
Leisman, G.A. |
Kansas Academy of Science, Transactions vol. 71, no. 3, pp. 301-308 |
1968 |
N/A
|
| A lycopod megasporangium from the Hamilton quarry of Kansas, (abstr.) |
Leisman, G.A. |
American Journal of Botany vol. 73, no. 5, p. 702 |
1986 |
N/A
|
| A lycopod megasporangium from the Hamilton quarry of Kansas, (abstr.) |
Leisman, G.A. |
Kansas Academy of Science, Abstracts with Programs vol. 5, p. 28 |
1986 |
N/A
|
| A lycopod sporangium from the Hamilton quarry of Kansas, (abstr.) |
Leisman, G.A. |
Kansas Academy of Science, Abstracts with Programs vol. 6, p. 30 |
1987 |
N/A
|
| A new species of Cardiocarpus in Kansas coal balls |
Leisman, G.A. |
Kansas Academy of Science, Transactions vol. 64, no. 2, pp. 117-122 |
1961 |
N/A
|
| A new species of Codontheca (Medullosaceae, Pteridospermales) from the Upper Pennsylvanian of Kansas, pp. 155-158, <In>, Dutro, J.T., Jr.; and Pfefferkorn, H.W., (eds); Paleontology, paleoecology, paleogeography |
Stidd, B.M.; and Leisman, G.A. |
International Congress of Carboniferous Stratigraphy and Geology, Abstracts of Papers vol. 5, 550 pages |
1985 |
N/A
|
| A new species of the pollen organ Codontheca (Medullosaceae, Pteridospermales) from the Tonganozie [sic] sandstone, Virgilian Series, near Ottawa, Kansas, (abstr.) |
Stidd, B.M.; and Leisman, G.A. |
International Congress of Carboniferous Stratigraphy and Geology, Abstracts of Papers pp. 208-209 |
1979 |
N/A
|
| A petrified Sporangiostrobus and its spores from the Middle Pennsylvanian of Kansas |
Leisman, G.A. |
Palaeontographica, Abt. B (Palaeophytologie) vol. 129, no. 4/6, pp. 166-177 |
1970 |
N/A
|
| A petrified Sporangiostrobus from the Middle Pennsylvanian of Kansas, (abstr.) |
Leisman, G.A. |
American Journal of Botany vol. 52, no. 6, pt. 2, p. 638 |
1965 |
N/A
|
| An assemblage of lagenostomalean seeds from southeastern Kansas, (abstr.) |
Leisman, G.A.; and Sudweeks, V. |
American Journal of Botany vol. 50, no. 6, pt. 2, p. 628 |
1963 |
N/A
|
| An upland flora of Upper Pennsylvanian age near Hamilton, Kansas, (abstr.) |
Leisman, G.A. |
American Journal of Botany vol. 58, no. 5, pt. 2, p. 470 |
1971 |
N/A
|
| An upland flora of Upper Pennsylvanian age near Hamilton, Kansas, (abstr.) |
Leisman, G.A. |
Kansas Academy of Science, Transactions vol. 79, no. 3/4, pp. 101-102 |
1976 |
N/A
|
| Conostoma kestospermum, a new species of Paleozoic seed from the Middle Pennsylvanian |
Taylor, T.N.; and Leisman, G.A. |
American Journal of Botany vol. 50, no. 6, pt. 1, pp. 574-580 |
1963 |
N/A
|
| Densospore variability as exhibited in the cone genus Sporangiostrobus, (abstr.) |
Leisman, G.A. |
Geoscience and Man vol. 1, p. 134 |
1970 |
N/A
|
| Der nachweis von Callipteris flabellifera (Weiss 1879) Zeiller 1898 in Kansas, U.S.A. [Evidence of Callipteris flabellifera in Kansas] |
Remy, W.; Remy, R.; Leisman, G.A.; and Hass, H. |
Argumenta Palaeobotanica no. 6, pp. 1-36 |
1980 |
N/A
|
| Further observations on Sporocarpon and allied genera |
Davis, Bill; and Leisman, G.A. |
Torrey Botanical Club, Bulletin vol. 89, no. 2, pp. 97-109 |
1962 |
N/A
|
| Further observations on the structure of Selaginellites crassicinctus |
Leisman, G.A. |
American Journal of Botany vol. 48, no. 3, pp. 224-229 |
1961 |
N/A
|
| Further occurrences of Spencerites from the Middle Pennsylvanian of Kansas and Illinois |
Leisman, G.A.; and Stidd, B.M. |
American Journal of Botany vol. 54, no. 3, pp. 316-323 |
1967 |
N/A
|
| On Palaeostachya decacnema from the Middle Pennsylvanian of Kansas |
Leisman, G.A.; and Bucher, J.L. |
Torrey Botanical Club, Bulletin vol. 98, no. 3, pp. 140-144 |
1971 |
N/A
|
| Paurodendron Fry, a rhizomorphic lycopod, (abstr.) |
Phillips, T.L.; and Leisman, G.A. |
American Journal of Botany vol. 53, no. 6, pt. 2, p. 629 |
1966 |
N/A
|
| Physostoma calcaratum, sp. nov. a tentacled seed from the Middle Pennsylvanian of Kansas |
Leisman, G.A. |
American Journal of Botany vol. 51, no. 10, pp. 1069-1075 |
1964 |
N/A
|
| Plant fossils from the Wellington Formation (Permian) near Elmo, Kansas, (abstr.) |
Leisman, G.A. |
Kansas Academy of Science, Abstracts with Programs vol. 8, p. 17 |
1989 |
N/A
|
| Plant megafossils from the Hartford Limestone (Virgilian-Upper Pennsylvanian) near Hamilton, Kansas, (abstr.) |
Leisman, G.A.; Gillespie, W.H.; and Mapes, G.K. |
Geological Society of America, Abstract with Programs vol. 20, no. 2, p. 122 |
1988 |
N/A
|
| Plant megafossils from the Hartford Limestone (Virgilian-Upper Pennsylvanian) near Hamilton, Kansas, pp. 203-212, <In>, Mapes, G.[K.]; and Mapes, R.H., (compls. and eds.), Regional geology and paleontology of Upper Paleozoic Hamilton quarry area in southeastern Kansas |
Leisman, G.A.; Gillespie, W.H.; and Mapes, G.K. |
Kansas Geological Survey, Guidebook Series no. 6, 273 pages |
1988 |
N/A
|
| Plant megafossils from the Virgilian (Upper Pennsylvanian) near Hamilton, Kansas USA, (abstr.) |
Leisman, G.A.; Gillespie, W.H.; and Mapes, G.K. |
International Organization of Paleobotany Conference, Abstracts no. 3, p. 16 |
1988 |
N/A
|
| Plant megafossils from the Virgilian (Upper Pennsylvanian) near Hamilton, Kansas, (abstr.) |
Leisman, G.A. |
Kansas Academy of Science, Abstracts with Programs vol. 7, p. 24 |
1988 |
N/A
|
| Spencerites in Kansas coal balls, (abstr.) |
Leisman, G.A. |
American Journal of Botany vol. 48, no. 6, pt. 2, p. 541 |
1961 |
N/A
|
| Spencerites moorei comb. nov. from southeastern Kansas |
Leisman, G.A. |
American Midland Naturalist vol. 68, no. 2, pp. 347-356 |
1962 |
N/A
|
| Sullitheca dactylifera gen. et sp. n.; a new medullosan pollen organ and its evolutionary significance |
Stidd, B.M.; Leisman, G.A.; and Phillips, T.L. |
American Journal of Botany vol. 64, no. 8, pp. 994-1002 |
1977 |
N/A
|
| The anatomy and morphology of certain Cordaites leaves |
Harms, V.L.; and Leisman, G.A. |
Journal of Paleontology vol. 35, no. 5, pp. 1041-1064 |
1961 |
N/A
|
| The herbaceous Carboniferous lycopod Selaginella fraiponti comb. nov. |
Schlanker, C.M.; and Leisman, G.A. |
Botanical Gazette vol. 130, no. 1, pp. 35-41 |
1969 |
N/A
|
| The herbaceous Carboniferous lycopod Selaginella fraiponti comb. nov., (abstr.) |
Schlanker, C.M.; and Leisman, G.A. |
American Journal of Botany vol. 55, no. 6, pt. 2, p. 724 |
1968 |
N/A
|
| The morphology and anatomy of Callipteridium sullivanti |
Leisman, G.A. |
American Journal of Botany vol. 47, no. 4, pp. 281-287 |
1960 |
N/A
|
| The structure of a Lepidocarpon strobilus from southeastern Kansas |
Leisman, G.A.; and Spohn, P.A. |
Palaeontographica, Abt. B (Palaeophytologie) vol. 111, no. 4/6, pp. 113-125 |
1962 |
N/A
|
| The structure of the fossil sphenopsid cone, Peltastrobus reedae |
Leisman, G.A.; and Graves, Charles |
American Midland Naturalist vol. 72, no. 2, pp. 426-437 |
1964 |
N/A
|
| Variability in Calamocarpon insignis from the American Carboniferous |
Leisman, G.A.; and Bucher, J.L. |
Journal of Paleontology vol. 45, no. 3, pp. 494-501 |
1971 |
N/A
|
| Vertebrate, invertebrate, and plant fossils of the Hamilton quarry, (abstr.) |
Bridge, T.E.; Leisman, G.A.; and Lockard, Walter |
Geological Society of America, Abstract with Programs vol. 4, no. 4, p. 275 |
1972 |
N/A
|