CCDBAngiospermsCompositaeXanthiumXanthium pennsylvanicum Gand.

3 chromosome counts in Xanthium pennsylvanicum Gand.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
!   Xanthium pennsylvanicum Gand. Xanthium strumarium L. 18(1)   Asteracea Symons 1926 Bot. Gaz. (= Int. J. Plant Sci.)
!   Xanthium pennsylvanicum Gand. Xanthium strumarium L.   36 Fedorov, 1974 Symons 1926
!   Xanthium pennsylvanicum Gand. Xanthium strumarium L.   36 Fedorov, 1974 Heiser, Whitaker 1948