71 



U.S. Forest Service agency policies (W. Ruediger, 

 pers. comm. ) . 



C. DESCRIPTION 



1. GENERAL NONTECHNICAL DESRIPTION: Eriqeron eatonii 

 var. eatonii is a medium-sized perennial herb (5- 



3 cm) from a taproot. The stems and foliage have 

 appressed hairs. A tuft of leaves, each with three 

 veins, arises from the base of the plant. These 

 leaves are longer than wide, are sharp at the tip 

 and narrowed at the base. The flowering stems 

 arise from the center of the plant, bearing 1-7 

 daisy-like heads and several much smaller leaves. 

 The heads bear many white ray flowers that surround 

 the center of yellow disk flowers. 



2. TECHNICAL DESCRIPTION: Perennial from a taproot, 

 5-30 cm, with appressed hairs; stems decumbent and 

 purplish at the base; basal leaves tufted, triple- 

 nerved, entire, acute, tapering to a long petiole; 

 stem leaves several, reduced; heads 1-7, the 

 involucre 5-7 mm, distinctly imbricate and 

 glandular and sometimes slightly hirsute; rays 20- 

 50, mostly white, 5-10 mm long, 1-3 mm wide; disk 

 corollas 3.5-5 mm long; inner pappus bristles 15- 

 2 or 25, the outer setose and obscure (adapted 

 from Cronquist 1955) . 



D. GEOGRAPHICAL DISTRIBUTION 



1. RANGE: Eriqeron eatonii var. eatonii is the 

 northeasternmost-occurring variety of Eriqeron 

 eatonii . It ranges southward from southwest 

 Montana, Wyoming and southern Idaho. 



2. CURRENT SITES (GALLATIN NATIONAL FOREST): No 

 populations of Eriqeron eatonii var. eatonii are 

 currently documented on the Gallatin National 

 Forest. 



3. HISTORICAL SITES: One collection of Eriqeron 

 eatonii var. eatonii was made from the Haystack 

 Peak area, and represents the only known occurrence 

 of the variety on the Gallatin National Forest (and 

 in Montana). The specimen was taken by C.L. 

 Hitchcock and C.V. Muhlick ( 13414 ) on 8 August 

 1945. The population represented by this 

 collection was the focus of a survey by the author 

 on 31 July 1989, but the plants were not relocated. 

 The existing information for this historical record 

 is provided in the element occurrence print-out on 

 p. 73. 



