Classification and illustrations of goldenrods

This is a major change from previous versions of this page and is based on Semple and Beck (2021) which begins with the following statement: "A phylogenomic study of the genus Solidago based on 894 nuclear sites (Semple et al. 2023) indicates that numerous changes to the infrageneric nomenclature are needed. The following revised nomenclature for the genus is structured around a phylogeny of 87 diploid Solidago species noted with an asterisk. The positions of 51 polyploid species or those not otherwise included in the phylogeny are based on morphology."

Individual treatments of species on this website have been updated to reflect the results of the DNA study.Ìý

Solidago

Solidago subg. Solidago

Solidago sect. Solidago

Ìý ÌýSolidago ser. Solidago

ÌýÌý Solidago ser. Macrophyllae

Ìý Solidago sect. Villosicarpae

Ìý Solidago sect. Erectae

ÌýÌý Solidago subsect. Erectae

ÌýÌý Solidago ser. Erectae

ÌýÌý Solidago ser. Albigulae

ÌýÌý Solidago ser. Puberulae

Ìý Solidago subsect. Humiles

Ìý Western North American taxa

ÌýÌý Eastern North American taxa

Solidago sect. Squarrosae

Solidago sect. Brintonia

Solidago sect. ThyrsifloraeÌý

Solidago subg. Pleiactila

Solidago sect. Ptarmicoidei

Ìý (Oligoneuron Group)

ÌýSolidago sect. GlomerulifloraeÌý

Solidago sect. Multiradiatae

Solidago sect. Maritimae

ÌýÌý S. sempervirens complex

ÌýÌý S. stricta complex

ÌýÌý S. uliginosa complex

ÌýÌý basal complex

Solidago sect. ArgutaeÌý

Ìý Solidago subsect. ArgutaeÌý

ÌýSolidago subsect. Patulae

Solidago subsect. Brachychaeta

Solidago sect. Venosae

Ìý Solidago subsect. Venosae

Ìý Solidago subsect. Ulmifoliae

Ìý Ìý Solidago ser. Ulmifoliae

ÌýÌýÌý Solidago ser. Auriculatae

Ìý Solidago subsect. Drummondiani

Solidago sect. Unilaterales

ÌýSolidago subsect. Triplinervae

ÌýÌý Solidago ser. Canadensae

ÌýÌý Solidago ser. Tortifoliae

Ìý Solidago subsect. Junceae

ÌýÌýÌý Solidago ser. Junceae

ÌýÌý Solidago ser. Spectabiles

ÌýSolidago subsect. Radulae

Solidago subsect. Serotinae

North American taxa

ÌýÌý ChilensisÌýComplexÌý(South American)

SolidagoÌýsubg. Nemorales

(Nemoralis Group)

Solidago subg. Triactis

Ìý Solidago sect. Odorae

Solidago sect. Suffrutescentes

Chrysoma

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


​Last updated 22 August 2023 by J.C. SempleÌýÌýÌýÌýÌý

© 2023 J.C. Semple, including all photographs unless otherwise indicated.

Range maps are based on specimens seen and literature reports and are "works in progress".Ìý Data to improve the maps are welcomed.