TY  - JOUR
A1  - Edwards, D.
A1  - Wellman, C. H.
A1  - Axe, L.
DO  - 10.1111/j.1095-8339.1999.tb00515.x
JO  - Botanical Journal of the Linnean Society
IS  - 2
SP  - 111
EP  - 156
C1  - 130(2): 111-156
TI  - Tetrads in sporangia and spore masses from the Upper Silurian and Lower Devonian of the Welsh Borderland
UR  - https://www.irmng.org/aphia.php?p=sourcedetails&id=52688
VL  - 130
PY  - 1999
Y2  - 2026-08-11
ER  -