Answers are grounded in this paper and cite their sources.
Donald W. Kyhos; THE INDEPENDENT ANEUPLOID ORIGIN OF TWO SPECIES OF CHAENACTIS (COMPOSITAE) FROM A COMMON ANCESTOR1, Evolution, Volume 19, Issue 1, 1 March
No takes yet. Share an insight, caveat, or question.
Donald W. Kyhos (1965) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: