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Solidago salicinaÌýEll. was treated asÌýS. patulaÌý²õ²õ±è.ÌýstrictulaÌý(Torr. & A. Gray) Semple in Flora North America (); the nameÌýS. salicinaÌýwas not listed as a synonym. LikeÌýS. patula,ÌýS. salicinaÌýhas finely scabrous leaves and striate-ridged stems, but the upper stem leaves a more numerous and smaller.Ìý Based on a multivariate morphometric analysis, Semple et al. (2012) concluded that the southeastern U.S. member of theÌýS. patulaÌýcomplex was sufficiently distinct that it should be treated as a separate species. The species was placed inÌýS.Ìýsubsect.ÌýPatulaeÌýSemple & J.B. Beck inÌýS.sect.ÌýArgutaeÌýby Semple and Beck (2021) based on unpublished DNA sequence data.Ìý The two species were included in a multivariate analysis ofÌýS. sect.ÌýArgutaeÌýby Semple et al. (2021).Ìý This species is known to be diploid 2n=18 in North Carolina, Alabama, and Mississippi. Semple and Morton (2024) presented a map of the cytogeography ofÌýS. salicina.

Semple, J.C. , L. Tong, and P. Pastolero.Ìý 2012.Ìý Neotypification ofÌýSolidago salicinaÌý(Asteraceae: Astereae) and a multivariate comparison withÌýS. patula.Ìý Phytoneuron 2012-56: 1–6.

Semple, John C. and James B. Beck. 2021. A revised infrageneric classification ofÌýSolidagoÌý(Asteraceae: Astereae). Phytoneuron 2021-10. 1-6.

Semple, J.C., K. Nizamani, K. Kornobis, G. Samra, L. Tong and T. Stavroullakis.Ìý 2021.Ìý A multivariate study ofÌýSolidagoÌýsect.ÌýArgutaeÌý(Asteraceae: Astereae).Ìý Phytoneuron 2021-20: 1–56.

Semple, J.C. and G.H. Morton. 2024.Ìý Cytogeography ofÌýSolidagoÌýsect.ÌýArgutaeÌý(Asteraceae: Astereae). Phytoneuron 2024-13: 1–13.

Last revised 19 May 2025 by J.C. Semple

© 2025 J.C. Semple, including all photographs unless otherwise indicated