https://uwaterloo.ca/astereae-lab/research/goldenrods/classification-and-illustrations/solidago-tarda
Solidago tarda | Astereae Lab | University of Waterloo
Solidago tarda Mackenzie ex Small is a polyploid member of the S. arguta complex with 2n=54. It occurs in more xeric environments than S.
solidago tardauniversity ofastereaelabwaterloo