KEY to the WISCONSIN ASTERACEAE
Tribe 3. VERNONIEAE - ironweed tribe
(Source: Johnson and Iltis, 1963.)
VERNONIA - ironweed
(s = 2x; x = 17)
........ V. fasciculata - smooth ironweed.
Tribe 4. INULEAE - elecampane tribe
(Source: Beals and Peters, 1966.)
INULA
(s = 2x; x = 10)
........ I. Helenium -elecampane.