https://newyork.plantatlas.usf.edu/Plant.aspx?id=674&display=photos
Campanula rotundifolia - Species Page - NYFA: New York Flora Atlas
The New York Flora Atlas is a source of information for the distribution of plants within the state, as well as information on plant habitats, associated...
campanula rotundifolianew yorkspeciesnyfaflora
https://collections.library.utoronto.ca/view/chamberlin:Chamberlin_k_0230
Campanula rotundifolia ; Cyprepedium hirsutum ; Lilium philadelphicum | Collections U of T
Digital image, manuscripts, journal and papers collections developed at the University of Toronto.
campanula rotundifolialiliumcollections