APPENDIX C. 



Montana Natural Heritage Program 

 Element Occurrence Report 



Scientific Name: LOMATIUM ATTENUATUM 

 Common Name: TAPER-TIP DESERT- PARSLEY 



Global rank: G2 

 State rank: S2 



Forest Service status: 

 Federal Status : 



Element occurrence code: 

 Element occurrence type: 



PDAPI1B240.009 



Survey site name 



EO rank 



EO rank comments 



LAURIN CANYON 



County: MADISON 



USGS quadrangle: LAURIN CANYON 



Township: Range: Section: TRS comments: 



006S 005W 10 S2NE4 



Precision: 



Survey date: 



First observation: 



Last observation: 



1996-07-03 Elevation: 6240 - 6400 

 1996-07-03 Slope/aspect: 10-25% / SSW 

 1996-07-03 Size (acres) : 



Location: 



4 MILES WEST AND NORTHWEST OF ALDER; ACCESS OVER PRIVATE LAND CLOSED 

 IN SECTION 11, SPANNING 1/2 MILE OF LAURIN CANYON ABOVE MOUTH. 



Element occurrence data: 



PATCHY AND WIDELY DISPERSED. INCONSPICUOUS IN FRUIT 3 JULY 1996. 50 

 PLANTS COUNTED BUT MAGNITUDE OF POPULATION SIZE AND AREA UNKNOWN. 



General site description: 



OPENINGS IN SPARSE WOODS ON STEEP, EXPOSED, SOUTH-FACING LIMESTONE 

 CANYON SLOPE OF LOOSE, CALCAREOUS GRAVEL AND COBBLE OVER SILT. DOMINATED 

 BY PSEUDOTSUGA MENZIESII, JUNIPERUS SCOPULORUM AND AGROPYRON SPICATUM. 

 OTHER SPECIES INCLUDE PENSTEMON ARIDUS AND CIRSIUM SUBNIVEUM. IT 

 OCCURS OVER A WIDE RANGE OF SLOPE POSITIONS CORRESPONDING WITH THE 

 PATTERN OF SCREE OPENINGS. 



Land owner /manager : 



BLM: BUTTE DISTRICT, 



DILLON RESOURCE AREA 



Comments : 



SITE APPEARS TO HAVE A HIGH QUALITY AND GOOD CONDITION; THE MAGNITUDE 

 OF POPULATION SIZE AND AREAL EXTENT NEED FURTHER EVALUATION. 



Information source: 



HEIDEL, BONNIE. [BOTANIST] MONTANA NATURAL 

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

 201800, HELENA, MT 59620-1800. WORK: 406/444-3 009. 



Specimens: HEIDEL, B. (1477). 1996. MONTU . 



