Self-seeding plant .
Photo #2 - a branch and fruits of mature plant growing next to seedlings.
M.J. Oldham # 13450, specimen record, replicates at MICH 1534340 (2 sheets); identified as Tanacetum balsamita by M.J. Oldham, !AA Reznicek; ca. 50-100 plants on grassy slope near railway tracks