SPECIES INFORMATION 



1. Classification and nomenclature. 



A. Species. 



1. Scientific Name. 



a. Binomial: Gr i ndel i a howe 1 1 i i J. A. 

 Steyermar k 



b. Full bibliographic citation: 



Steyermark, J. A. 193*+. Studies in 

 Gr i nde 1 i a . II: A monograph of the 

 North American species of the genus 

 Gr i nde 1 i a . Ann. Mo. Bo t . Gard. 21: 

 5^9-550. 



c. Type specimens: Dry arid bluff tops, 

 St. Maries River, "Kootenai" Co., Idaho, 

 Aug. 10, 189^, L. F. Henderson 8791 . 

 Holotype: GH ; isotypes: RM , US. 



2. Pertinent synonyms: None. 



3 . Common name : Howell's qum-weed. 



U . Taxon code: PDAST^70E0 (Montana Natural 



Heritage Program). 



5. Size of genus: Probably more than 50 



species, native to western North America and 

 western South America, and introduced 

 elsewhere (Cronquist, 1955). 



B. Family classification. 



1. Family name: Asteraceae. 



2. Pertinent family synonym: Compositae. 



3. Common names for family: Aster Family, 

 Sunflower Family. 



C. Major plant group: D ico t y 1 edoneae . 



D. History of knowledge of taxon: Gr i ndel i a howel 1 i i 

 was first collected in 189^ by L. F. Henderson, 

 along the St. Maries River in "Kootenai" County, 

 Idaho. This collection ( Henderson £791 ) included 

 the eventual holotype when the species was 

 described in a monograph of the genus by J. A. 

 Steyermark ( 193<+ ) . 



The next collections of the species were made in 

 1966 by D. w. Woodland, when it was found for the 

 first time in Montana, near Placid Lake in 



