Element Occurrence Record 

 Howellia aquatilis 



34 



Occurrence number: 014 



Global rank: G2 

 State rank: S2 



Survey site name: 



EO rank: 



EO rank comments: 



County: LAKE 

 USGS quadrangle: 



Forest Service status: 

 Federal Status: 



SENSITIVE LIST 

 CI 



LOST CREEK-CILLY CREEK PONDS 



C 



MODERATE-SIZED POPULATION; SURROUNDING 



FOREST LOGGED. 



CILLY CREEK 



Township-range: 024N017W Section: 

 Township-range comments: NW4SW4NW4 



Survey date: 1987-07-07 

 First observation: 1987 

 Last observation: 1990-07-12 



08 



Precision: S 



Elevation: 3245 

 Slope/aspect: LEVEL 

 Size (acres) : 2 



Location: 



•SWAN VALLEY, 0.68 AIR MILES EAST OF ST. HWY 83, 0.44 AIR MILES NORTH 

 OF CILLY CREEK, CA. 5.0 AIR MILES SSE OF SWAN LAKE (TOWN). 



Element occurrence data: 



1990: 150-250 PLANTS (SEVERAL AREAS OF DENSE POTAMOGETON) ; 1989: 500+ 

 PLANTS; 1987: EST. 300-400 PLANTS; LOGGING HAS OCCURRED IN ADJACENT 

 FORESTS . 



General site description: 



IN SHALLOW WATER OF A GLACIAL DEPRESSION; AROUND LOGS & IN OPENINGS 

 AMONG CAREX VESICARIA, WITH SIUM SUAVE, POTAMOGETON SPP; POPULUS 

 TRICHOCARPA, P. TREMULOIDES, BETULA PAPYRI FERA. 



Land owner/manager: 



FLATHEAD NATIONAL FOREST, SWAN LAKE RANGER DISTRICT 



Comments: 



SIGHT RECORD, NO VOUCHER SPECIMEN COLLECTED; SITE SURVEYED WITH ANNE 

 MORLEY (SWAN LAKE, MT) ; pH = 7.00. 



Information source: 



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

 17-19 JULY (HOWELLIA AQUATILIS) . 



Montana Natural Heritage Program 



