THE COAL-AGE FLORA OF KANSAS .2. ON THE RELATIONSHIPS AMONG THE GENERA ETAPTERIS, SCLEROPTERIS AND BOTRYCHIOXYLON

[1] ABERNATHY GE, 1946, GEOL SURV KANSAS B 4, V64, P125

[2] Andrews H. N., 1942, ANN MISSOURI BOT GARD, V29, P1, DOI 10.2307/2394237

[3] ANKYROPTERIS-GLABRA, A NEW AMERICAN SPECIES OF THE ZYGOPTERIDACEAE [J]. AMERICAN JOURNAL OF BOTANY, 1951, 38 (06) : 440 - 452

[4] Bertrand P, 1907, CR HEBD ACAD SCI, V145, P775

[5] Bertrand P., 1909, ETUDES FRONDE ZYGOPT

[6] Darrah W.C., 1941, AM MIDL NAT, V25, P233

[7] DECANDOLLE A, 1868, 1867 C INT BOT TEN P

[8] Hirmer M., 1927, HDB PALAOBOTANIK

[9] KOOPMANS R. G., 1928, GEOL BUR NEDERLANDSCHE MIJNGEBIED HOLLAND FLORA EN FAUNA VAN HET NEDERLANDSCHE KARBOON, V1, P1

[10] LECLERCQ S, 1929, ANN SOC GEOL BELGIQU, V52, P209

[1] ABERNATHY GE, 1946, GEOL SURV KANSAS B 4, V64, P125

[2] Andrews H. N., 1942, ANN MISSOURI BOT GARD, V29, P1, DOI 10.2307/2394237

[3] ANKYROPTERIS-GLABRA, A NEW AMERICAN SPECIES OF THE ZYGOPTERIDACEAE [J]. AMERICAN JOURNAL OF BOTANY, 1951, 38 (06) : 440 - 452

[4] Bertrand P, 1907, CR HEBD ACAD SCI, V145, P775

[5] Bertrand P., 1909, ETUDES FRONDE ZYGOPT

[6] Darrah W.C., 1941, AM MIDL NAT, V25, P233

[7] DECANDOLLE A, 1868, 1867 C INT BOT TEN P

[8] Hirmer M., 1927, HDB PALAOBOTANIK

[9] KOOPMANS R. G., 1928, GEOL BUR NEDERLANDSCHE MIJNGEBIED HOLLAND FLORA EN FAUNA VAN HET NEDERLANDSCHE KARBOON, V1, P1

[10] LECLERCQ S, 1929, ANN SOC GEOL BELGIQU, V52, P209