https://fsus.ncbg.unc.edu/main.php?pg=show-taxon-detail.php&lsid=urn:lsid:ncbg.unc.edu:taxon:{6D0AB5B7-01A2-4722-93E2-B37DB8DB10C0}
Senecio riddellii Torrey & A. Gray. Riddell's Ragwort. Phen: (Jul-) Aug-Oct. Hab: Floodplains, other seasonally ponded areas. Dist: SD and WY south to se. TX, NM, AZ, and n. Mexico (COA, NLE, TAM).
Origin/Endemic status: Native
Synonymy: = FNA20, GrPl, K4, Mex; < Senecio spartioides Torr. & A.Gray
Heliophily: 9
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© Michelle, some rights reserved (CC BY), uploaded by Michelle source CC-BY | Original Image ⭷
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