Solidago macrophylla, the largeleaf goldenrod or large-leaved goldenrod, is North American species of herbaceous perennial plants of the family Asteraceae. It is native to eastern and central Canada (from Ontario to Newfoundland & Labrador) and the north-eastern United States (New York and New England).Biota of North America Program 2014 county distribution mapGo Botany, New England Wildflower Society Some of the populations in Québec and Labrador lie north of the Arctic Circle.Pan-Arctic Flora, Solidago macrophylla Banks ex Pursh
Solidago macrophylla is a perennial herb up to 105 cm (42 inches) tall, with a thick woody rhizome. Leaves can be up to 15 cm (6 inches) long. One plant can produce 110 or more small yellow flower heads, mostly on short side branches.Flora of North America, Solidago macrophylla Banks ex Pursh, 1813. Large-leaved goldenrod , verge d’or à grandes feuilles Galls This species is host to the following insect induced gall: Asteromyia modesta (Felt, 1907)
external link to gallformers
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Flore laurentienne, Frère Marie-Victorin (1885-1944), Solidago macrophylla Pursh ― Verge d'or à grandes feuilles. ― (Large-leaved goldenrod). in French with line drawing