Ontario Goldenrod
Solidago ontarioensis (Ringius) Semple & Peirson is native to calcareous and basaltic rocks on shorelines in Ontario and Michigan. It is tetraploid throughout its range (Peirson et al. 2012). The species was treated as Solidago simplex var. ontarioensis (Ringius) Ringius by Semple & Cook (2006 FNA).
Semple, J.C. , and J.A. Peirson. 2013. A revised nomenclature for the Solidago simplex complex (Asteraceae: Astereae). Phytoneuron 2013-41. 1-5.
Last update 1 July by J.C. Semple
© 2013 J.C. Semple, including all photographs unless otherwise indicated