MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



Scientific Name: THLASPI PARVIFLORUM 

 Common Name: SMALL- FLOWERED PENNYCRESS 



Global rank: G3 Forest Service status: SENSITIVE 

 State rank: S2 Federal Status: 



Element occurrence code: PDBRA2P050 . 009 

 Element occurrence type: 



Survey site name: NICHOLIA CREEK 



EO rank: B 

 EO rank comments: LIKELY A LARGE POPULATION. 



County: BEAVERHEAD 



USGS quadrangle: CABOOSE CANYON 



TRS comments: 

 17 NW4SE4 



Elevation: 6880 - 7000 

 Slope/aspect: LEVEL 

 Size (acres) : 10 



Location: 



FROM DELL TAKE BIG SHEEP CREEK ROAD TO NICHOLIA CREEK ROAD; GO SOUTH 

 0.2 MILE TO DEADMAN ROAD. PROCEED ON DEADMAN ROAD FOR CA. 0.8 MILE. 



Element occurrence data: 



AT LEAST 4 SUBPOPULATIONS . OVER 300 PLANTS, DISPERSING FRUIT. 



General site description: 



MOIST, OPEN TERRACE BOTTOM, LIMESTONE PARENT MATERIAL, LOAM SOIL. 

 ASSOCIATED SPECIES: ARTEMISIA CANA, JUNCUS BALTICUS, POA NEVADENSIS, 

 PENSTEMON PROCERUS, POLYGONUM BISTORTOIDES , TARAXACUM OFFICINALE, 

 ANTENNARIA MICROPHYLLA. 



Land owner/manager: 



STATE LAND - UNDESIGNATED 



BLM: BUTTE DISTRICT, DILLON RESOURCE AREA 



Comments: 



PLANT WAS DIFFICULT TO LOCATE AT TIME OF YEAR SURVEY WAS 

 CONDUCTED — DIFFICULT TO ESTIMATE POPULATION SIZE. WEEDS AND CATTLE 

 DISTURBANCE. 



Information source: LESICA, PETER. DIVISION OF BIOLOGICAL SCIENCES, 

 UNIVERSITY OF MONTANA, MISSOULA, MT 59812. 



Specimens: LESICA, P. (6094). 1993. MONTU. 



