MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



Scientific Name: ERIOGONUM OVALIFOLIUM VAR NEVADENSE 

 Common Name: OVAL-LEAVED BUCKWHEAT 



Global rank: G5T4 

 State rank: S2 



Forest Service status: 

 Federal Status: 



Element occurrence code: PDPGN084FE. 003 



Element occurrence type: 



Survey site name: CENTENNIAL SAND DUNES 



EO rank: A 



EO rank comments: LARGE POPULATION; WELL ESTABLISHED IN SANDHILLS. 



County: BEAVERHEAD 



USGS quadrangle: LOWER RED ROCK LAKE 



Township: Range: Section: TRS comments: 



013S 002W 22 E2; 23; 14 SE4 , SE4SW4; 13 S2SW4 ; 24 NW4 ; 27 



Precision: S 



Survey date: 1987-07-23 



First observation: 1983 



Last observation: 1993-07-22 



Elevation: 6680 - 6750 

 Slope/aspect: 0-30% / - 

 Size (acres) : 700 



Location : 



CENTENNIAL VALLEY, CA. 2 5 MILES NORTHEAST OF MONIDA, 

 NORTH OF LOWER RED ROCK LAKES. 



SANDHILLS JUST 



Element occurrence data: 



1993: 10,000-100,000 PLANTS, 

 SANDHILLS. 



100% FLOWERING. 1987: VERY COMMON ACROSS 



General site description: 



TAXON OCCUPIES DISCONTINUOUS CHOPPY DUNE HABITAT. WITH PHACELIA 

 HASTATA, STIPA COMATA, FESTUCA IDAHOENSIS, ARTEMISIA TRIPARTITA, A. 

 TRIDENTATA, AND TETRADYMIA CANESCENS . OTHER SPECIES OBSERVED IN 1993: 

 CHRYSOTHAMNUS NAUSEOSUS, C. VISCIDIFLORUS , LUPINUS SERICEUS , PSORALEA 

 LANCEOLATA, ELYMUS LANCEOLATUS , FESTUCA OVINA, ARTEMISIA LUDOVICIANA, 

 LEPTODACTYLON PUNGENS , ACHILLEA MILLEFOLIUM, COMMANDRA UMBELLATA, 

 PHLOX HOODII, TARAXACUM SP., KOELERIA MACRANTHA . ELYMUS FLAVESCENS AND 

 ASTRAGALUS CERAMICUS VAR. APUS ALSO RELOCATED AT SITE. 



Land owner/manager: 



RED ROCK LAKES NATIONAL WILDLIFE REFUGE 

 STATE LAND - UNDESIGNATED 



BLM: BUTTE DISTRICT, DILLON RESOURCE AREA 

 PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) 



Comments: 



POPL'LATION RELOCATED IN 1993 BY DENISE CULVER AND BONNIE HEIDEL. 



