TY  - JOUR
A1  - Pigg, K. B.
A1  - Taylor, T. N.
A1  - Stockey, R. A.
DO  - 10.1002/j.1537-2197.1987.tb08733.x
JO  - American Journal of Botany
IS  - 8
SP  - 1184
EP  - 1204
C1  - 74(8): 1184-1204
TI  - Paleozoic seed ferns: Heterangium kentuckyensis sp. nov., from the Upper Carboniferous of North America
UR  - https://www.irmng.org/aphia.php?p=sourcedetails&id=241875
VL  - 74
PY  - 1987
Y2  - 2026-08-11
ER  -