February 6, 1996 



MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



Scientific Name: LOMATIUM ATTENUATUM 

 Common Name: TAPER-TIP DESERT- PARSLEY 



Global rank: 

 State rank: 



Forest Service status: 



Federal Status: 3C 



Element occurrence code: PDAPI1B24 . 003 

 Element occurrence type: 



Survey site name 



EO rank 



EO rank comments 



BANNACK 



A 



EXTENSIVE MINING AND GRAZING IN AREA BUT LIMITED 



ON THESE RIDGES. 



County: BEAVERHEAD 



USGS quadrangle: BANNACK 



Township: Range: Section: TRS comments: 

 008S OllW 5 ALL; 4 W4 



Precision 



Survey date 



First observation 



Last observation 



1994-06-12 

 1994-06-12 

 1995-06-14 



Elevation: ^ 

 Slope/aspect ; 

 Size (acres) : 



iO - 7100 



0-30% / WNW, ESE, SOUTH, WEST 

 160 



Location: 



RIDGES NORTHEAST OF BANNACK, OVERLOOKING TOWNSITE. 



Element occurrence data: 



1995: OVER 10,000 PLANTS WITH EXPANSION OF EO BOUNDAJ?IES ON ESE ASPECT 

 AND LARGER ADJOINING RIDGE SYSTEM. OCCASIONAL TO LOCALLY COMMON ACROSS 

 A WIDE ARRAY OF RIDGE SETINGS ON LIMESTONE, WITH WAIF DISPERSALS IN 

 STREAMCOURSES AND IN THE TOWNSITE. 1994: 1000-10,000 PLANTS, 50% 

 VEGETATIVE, 50% IN FRUIT, 1% IN FLOWER. 



General site description: 



MAINLY DRY, OPEN RESIDUAL UPPERSLOPE AND RIDGE CREST. LIMESTONE PARENT 

 MATERIAL, GRAVELLY CLAY SOIL. ASSOCIATED SPECIES: ELYMUS SPICATUS, 

 CERCOCARPUS LEDIFOLIUS, PINUS FLEXILUS, ARTEMISIA FRIGIDA, 

 LiTHOSPERMUM INCISUM, DELPHINIUM BICOLOR, LESQUERELLA SP., CRYPTANTHA 

 CELOSIOIDES, ALLIUM TEXTILE, PETROPHYTON CAESPITOSUM, SPHAEROMERIA 

 ARGENTEA, TOWNSENDIA SPATHULATA, PHACELIA INCANA. 



Land owner/manager: 



BLM: BUTTE DISTRICT, 



DILLON RESOURCE AREA 



Comments : 



BANNACK STATE PARK IS APPLYING FOR A "R & PP" WITHDRAWAL WHICH 

 INCLUDES THIS SITE, WHICH WOULD ELIMINATE THREATS OF FUTURE MINING AND 

 POTENTIAL GRAZING. 5 SPECIES OF CONCERN OCCUR IN AREA. OBSERVED IN 

 1995 BY B. HEIDEL. 



Information source: 



HEIDEL, BONNIE. [BOTANIST] MONTANA NATUP-AL 

 HERITAGE PROGRAM, 1515 EAST SIXTH AVENUE, P.O. BOX 

 201800, HELENA, MT 59620-1800. WORK: 406/444-3009. 



Specimens: VANDERHORST, J. (5191). 1994. MONT. 



