Element Occurrence Record 

 Howellia acruatilis 



Occurrence number: 029 



Global rank: G2 Forest Service status: SENSITIVE LIST 

 State rank: S2 Federal Status: CI 



Survey site name: CONDON CREEK 



EO rank: D 

 EO rank comments: MEDIUM-SIZED POPULATION; POND MARGINS 



IMPACTED BY LOGGING. 



County: MISSOULA 



USGS quadrangle: CONDON 



Township-range: 021N016W Section: 19 Precision: S 

 Township-range comments: NW4NW4NW4 



Survey date: 1987-07-02 Elevation: 3690 

 First observation: 1987 Slope/aspect: LEVEL 



Last observation: 1990-07-10 Size (acres) : 2 



Location: 



SWAN VALLEY, 2.97 AIR MILES NORTH OF CONDON, 1.88 AIR MILES EAST OF 

 ST. HWY 83, 0.59 AIR MILES SOUTH OF CONDON CREEK. 



Element occurrence data: 



1990: 100-200 PLANTS (ONLY IN VERY SHALLOW EDGE WATERS); 1989: 

 500-1000 PLANTS; 1987: EST. 200-300 PLANTS; POND MARGINS RECENTLY 

 DISTURBED BY LOGGING. 



General site description: 



IN SHALLOW WATER OF A GLACIAL DEPRESSION; WITH SIUM SUAVE, CAREX 

 VESICARIA; POPULUS TRICHOCARPA, PINUS PONDEROSA, LARIX OCCIDENTALIS IN 

 SURROUNDING FOREST. 



Land owner/manager: 



BURLINGTON NORTHERN LAND 



Comments : 



SIGHT RECORD, NO VOUCHER SPECIMEN COLLECTED. 



Information source: 



SCHASSBERGER, L. A. 1990. MONITORING AND FIELD SURVEYS OF 10-13 AND 

 17-19 JULY (HOWELLIA AQUATILIS) . 



Montana Natural Heritage Program 



