Element Occurrence Record 36 



Howellia aquatilis 



Occurrence number: 017 



Global rank: G2 Forest Service status: SENSITIVE LIST 

 State rank: S2 Federal Status: CI 



Survey site name: LOST CREEK-CILLY CREEK PONDS 



EO rank: D 

 EO rank comments: SMALL POPULATION; ADJACENT TO LOGGING 



ROAD. 



County: LAKE 



USGS quadrangle: CILLY CREEK 



Township-range: 024N017W Section: 08 Precision: S 

 Township-range comments: SW4SW4NW4 



Survey date: 1987-07-07 Elevation: 3245 

 First observation: 1987 Slope/aspect: LEVEL 



Last observation: 1990-07-12 Size (acres) : 3 



Location: 



SWAN VALLEY, 0.71 AIR MILES EAST OF ST. HWY 8-3, 0.2 5 AIR MILES NORTH 

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



Element occurrence data: 



1990: PLANTS (WATER POSSIBLY TOO DEEP, CAREX VESICARIA DENSE); 1989: 

 10-20; 1987: EST. 10-12 PLANTS; ADJACENT TO LOGGING ROAD; THIS 

 DEPRESSION WAS MUCH DRYER THAN THE OTHERS, HOWELLIA AQUATILIS PRESENT 

 IN A FEW PUDDLES; HABITAT MAY BE MORE ADVANCED SUCCESSIONALLY THAN 

 NEARBY PONDS. 



General site description: 



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

 SUAVE, POTAMOGETON, CAREX ROSTRATA, POTENTILLA PALUSTRIS ; POPULUS 

 TREMULOIDES AROUND POND. 



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) . 



Information source: 



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

 17-19 JULY (HOWELLIA AQUATILIS) . 



Montana Natural Heritage Progra 



