Interspecific hybridization and intergeneric incompatibilities in three heterosporous ferns
Bordonneau, M.; Tourte, Y.
Comptes Rendus de l' Academie des Sciences Series 3, Sciences de la Vie 308(16): 445-451
1989
Accession: 001868587
Hybrids were produced between the heterosporous ferns Marsilea quadrifolia and M. vestita. They were shown to be true hybrids and not young sporophytes produced by normal fertilization by labelling the spermatazoids with tritiated thymidine so that hybrid embryos would be labelled.