Portion of ITS-2 documenting that
Eupatorium fernaldii
is a trihybrid, with
E. petaloideum
,
E. sessilifolium
, and
E.
perfoliatum
as progenitors.
Note the triple-peak at the only position where the 3 progenitors all differ.
E. fernaldii
E. perfoliatum
E. petaloideum
E. sessilifolium