Erigeron heterophyllus:

Erigeron heterophyllus:

Erigeron heterophyllus Kunth & Bouché, Asteraceae: See Erigeron karvinskianus DC.




Erigeron heterophyllus Mühl. ex Willd., Asteraceae: See Erigeron annuus (L.) Pers.

I have no articles for this botanical term, but there might be some for the next level down (if found).