Classification and illustrations of goldenrods

Solidago

Solidago sect. Solidago

Solidago ser. Solidago

Solidago ser. Macrophyllae

Solidago sect. Erectae

Solidago subsect. Squarrosae

(Bicolor Group; significantly changed since Semple & Cook 2006)

Solidago subsect. Humiles

(significantly changed since Semple & Cook 2006; see Semple et al. 2019)

  Western North American taxa

   Eastern North American taxa

Solidago subsect. Thyrsiflorae 

(Wrightii Group)

Solidago sect. Ptarmicoidei

(Oligoneuron Group)

Solidago sect. Glomeruliflorae 

(Flexicaulis Group)

Solidago sect. Multiradiatae

Solidago subsect. Argutae 

(Arguta Group; significantly changed since Semple & Cook 2006)

Solidago ser. Argutae (significantly changed since Semple & Cook 2006)

Solidago ser. Auriculatae

Solidago ser. Brachychaeta

Solidago subsect. Maritimae

(Sempervirens Group; significantly changed since Semple & Cook 2006)

S. sempervirens complex

S. stricta complex

S. uliginosa complex

Solidago subsect. Venosae

(Rugosa Group)

Solidago ser. Venosae

Solidago ser. Odorae

Solidago ser. Drummondianae

Solidago subsect. Junceae

(Juncea Group)

Solidago subsect. Triplinervae

(Canadensis Complex s.l.; significantly changed since Semple & Cook 2006)

Canadensis Group

Altissima Group 

Tortifolia Group

   Chilensis Complex (South American)

Solidago subsect. Nemorales

(Nemoralis Group)


Last updated 15 May 2020 by J.C. Semple     

© 2019, 2020 J.C. Semple, including all photographs unless otherwise indicated.

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