Element Occurrence Record 28 



Howellia aquatilis 



Occurrence number: 006 



Global rank: G2 Forest Service status: SENSITIVE LIST 

 State rank: S2 Federal Status: CI 



Survey site name: CONDON CREEK 



EO rank: C 

 EO rank comments: LARGE POPULATION; AREA THREATENED BY 



LOGGING. 



County: MISSOULA 



USGS quadrangle: CONDON 



Township-range: 021N016W Section: 18 Precision: S 

 Township-range comments: NE4NW4SW4 



Survey date: 1986-07-14 Elevation: 3740 

 First observation: 1986 Slope/aspect: LEVEL 



Last observation: 1990-07-11 Size (acres) : 1 



Location: 

 ^ SWAN VALLEY, WEST BASE OF SWAN RANGE UPLIFT, 3.5 AIR MILES NORTH OF 

 P CONDON, 2.1 AIR MILES EAST OF ST. HWY. 83, 0.1 AIR MILES SOUTH OF 

 CONDON CREEK. 



Element occurrence data: 



1990: 500-1000 PLANTS; 1989 AND 1987: EST. 1000-2000 PLANTS (MANY 

 PLANTS DISTURBED BY MOOSE AND/ OR WATERFOWL ACTIVITY) ; AREA IS ACTIVELY 

 THREATENED BY LOGGING ROAD CONSTRUCTION AND TIMBER HARVESTING. 



General site description: 



VERNAL POND, IN PINUS PONDEROSA/LARIX OCCIDENTALIS FOREST; WITH SIUM 

 SUAVE, CAREX VESICARIA, RANUNCULUS AQUATILIS, VERONICA CATENATA, 

 CALLITRICHE HETEROPHYLLA. 



Land owner/manager: 



FLATHEAD NATIONAL FOREST, SWAN LAKE RANGER DISTRICT 



Comments: 



VOUCHER-LESICA, P. (3965), 1986, SPECIMEN #104450 (MONTU) . 



Information source: 



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

 17-19 JULY (HOWELLIA AQUATILIS) . 



Montana Natural Heritage Progra 



