Solidago canescens (Rydberg) Friesner. Subgenus: Pleiactila. Section: Ptarmicoidei. Plains Bold Goldenrod. Phen: Aug-Oct. Hab: Upland prairies. Dist: ON and AB south to MO, OK, TX (?), and NM.
Origin/Endemic status: Native
Taxonomy Comments: This taxon includes only diploids (2n=18). It seems to warrant species rank, as Solidago canescens (Rydberg) Friesner, based on morphological distinctness and ploidy difference from Solidago rigida, with which it widely overlaps distribution.
Synonymy: = n/a – Il; = Oligoneuron canescens Rydb.; = Oligoneuron rigidum (L.) Small var. humile G.L.Nesom – Nesom (1993b); = Solidago rigida L. ssp. humilis (Porter) S.B.Heard & Semple – FNA20, K3, Mo2, Heard & Semple (1988); = Solidago rigida L. var. humilis Porter – C, G, GrPl, K4; < Solidago rigida L. – F, NcTx, Tx
Wetland Indicator Status:
- 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
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