Helianthus grosseserratus M.Martens
Determiner: Nee, M. (2021)
Nee, M.H. 66392
Verbatim Date: 11 Sept. 2020
United States, Wisconsin, Iowa, 7.5 km (straight line) NE of Dodgeville, Governor Dodge State Park, along Old Orchard Pass trail, near bench at turnoff to old Valley View Cemetery
43° 02' 11" N 90° 05' 42" W; TRS: T07N R03E sec 35 NE4SE4
Old field or pasture, growing up to many native prairie species, Cirsium discolor, Helianthus grosseserratus, Solidago rigida, Symphyotrichum sagittifolium, Lespedeza capitata, Gentiana alba, G. andrewsii.
Compare with the same species in nearby marsh, Nee 66426, where much more robust.; Forming loose colonies, to 1.6 m. tall. Roots thickened at base of plant, then quickly thinned distally; without rhizomes. Rays bright yellow.
Record Id: a08c6d53-e8b5-4553-9999-b009293d29f9
Occurrence ID (GUID):