Symphyotrichum ontarionis (Wiegand) G.L.Nesom


Sinonimi / Synonyms: Aster ontarionis Wiegand; Aster ontarionis Wiegand var. glabratus Semple; Aster parviflorus Nees, non Tripolium subulatum (Michx.) Nees var. parviflorum Nees; Aster tradescantii auct. p.p., non L.; Symphyotrichum ontarionis (Wiegand) G.L.Nesom var. glabratum (Semple) Brouillet & D.Bouchard; Symphyotrichum parviflorum (Nees) Greuter, non Symphyotrichum subulatum (Michx.) G.L.Nesom var. parviflorum (Nees) S.D.Sund.; Symphyotrichum tradescantii auct. p.p., non (L.) G.L.Nesom;
Neofita / Neophyte
According to Dirkse et al. (2014), the name S. parviflorum (Nees) Greuter, neither cited in Flora of North America (Brouillet et al. 2006) nor yet typified, is a synonym of S. ontarionis.
Trentino-Alto Adige: segnalazione dubbia, alloctona / doubtful record, alien;


Asteraceae Bercht. & J.Presl
Asterales Link
Asteranae Takht.
Magnoliidae Novák ex Takht.




Source: http://www.illinoiswildflowers.info/woodland/plants/ontario_aster.htm







Nome italiano / Italian name: Astro a fiori piccoli (Italia).





Smithsonian Institution, National Museum of Natural History, Department of Botany Source: National Museum of Natural History Image Collection