Solidago jacksonii (Kuntze) Fernald. Subgenus: Pleiactila. Section: Ptarmicoidei. Southeastern Bold Goldenrod. Phen: Late Aug-Oct. Hab: Glades, barrens, and prairie-like areas, over mafic (such as diabase) or calcareous (such as calcareous shale) rocks, and in adjacent disturbed areas, such as roadbanks and powerline rights-of-way. Dist: Sc. VA, se. TN, sc. OH, and e. MO south to c. SC, sw. GA, s. AL, MS, and e. TX.

Origin/Endemic status: Endemic

Taxonomy Comments: This taxon is apparently strictly diploid (2n=18); it seems to warrant specific rank, though it has been given varietal and subspecific rank.

Other Comments: This taxon (variously treated as a species, subspecies, or variety) is rare and scattered throughout its range, restricted to prairie-like, barren, or glade situations.

Synonymy ⓘ: = F; = Oligoneuron jacksonii (Kuntze) Small – S; = Oligoneuron rigidum (L.) Small var. glabratum (E.L.Braun) G.L.Nesom – Il, K1, Nesom (1993b); = Solidago rigida L. ssp. glabrata (E.L.Braun) S.B.Heard & Semple – Ar, FNA20, K4, Tn, Heard & Semple (1988); = Solidago rigida L. var. glabrata E.L.Braun – C, G, K3, SE1, Va; < Solidago rigida L. – NcTx, RAB, Tx, W

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACU (taxonomic split from wetland indicator species)
• Eastern Mountains and Piedmont: UPL (taxonomic split from wetland indicator species)
• Great Plains: FACU (taxonomic split from wetland indicator species)
• Midwest: FACU (taxonomic split from wetland indicator species)
• Northcentral & Northeast: FACU (taxonomic split from wetland indicator species)

Heliophily ⓘ: 9