Element Occurrence Record 

 Howellia acruatilis 



Occurrence number: 032 



Global rank: G2 Forest Service status: SENSITIVE LIST 

 State rank: S2 Federal Status: CI 



Survey site name: LINDBERGH LAKE 



EO rank: B 

 EO rank comments: MEDIUM-SIZED POPULATION; HABITAT 



RELATIVELY UNDISTURBED. 



County: MISSOULA 



USGS quadrangle: CYGNET LAKE 



Township-range: 019N016W Section: 07 Precision: S 

 Township-range comments: SE4SW4NW4 



Survey date: 1983-07-24 Elevation: 4165 

 First observation: 1983 Slope/aspect: LEVEL 



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



Location: 



•SWAN VALLEY, 0.16 AIR MILES SOUTH OF LINDBERGH LAKE RD. , CA. 1.75 AIR 

 MILES WEST OF ST. HWY 83. 



Element occurrence data: 



1990: 3-10 PLANTS (PLANTS INTERTWINED, DIFFICULT TO ESTIMATE; FEW Sium 

 suave PRESENT); 1989: 750-1000 PLANTS; 1983: EST. 101-1000 PLANTS. 



General site description: 



GLACIAL POTHOLE, IN ONE TO TWO FEET OF WATER; WITH EQUISETUM 

 FLUVIATILE, SIUM SUAVE, TYPHA, CAREX ROSTRATA; POPULUS TRICHOCARPA, P. 

 TREMULOIDES AROUND POND. 



Land owner/manager: 



PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) 



Comments: 



Information source: 



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

 17-19 JULY (HOWELLIA AQUATILIS) . 



Montana Natural Heritage Progra 



