ELEMENT OCCURRENCE RECORD 43 



Grindelia howellii 



Occurrence number: 035 



Global rank: G3 Forest Service status: SENSITIVE LIST 

 State rank: S3 Federal Status: C2 



Survey site name: BLACKFOOT ROADSIDE 



EO rank: D 

 EO rank comments: WEEDY, ROADSIDE POPULATION. 



County: POWELL 



USGS quadrangle: CHAMBERLAIN MOUNTAIN 



Township-range: 014N012W Section: 17 Precision: S 

 Township-range comments: NW4SE4 



Survey date: 1986-08-03 Elevation: 4200 

 First observation: 1986 Slope/aspect: 



Last observation: 1990-08-08 Size (acres) : 1 



Location: 



ALONG LOGGING ROAD ON SLOPE ABOVE (SOUTHWEST OF) THE BLACKFOOT RIVER, 

 1.27 AIR MILES SSW OF ITS CONFLUENCE WITH NORTH FORK OF THE BLACKFOOT 

 RIVER. 



Element occurrence data: 



1986: 80 PLANTS COUNTED, IN FLOWER; PLANTS HAVE RATHER AGGRESSIVELY 

 INVADED A PULL-OUT ALONG THE ROAD; G. SQUARROSA IS ALSO PRESENT, AND 

 SOME PLANTS ARE INTERMEDIATE BETWEEN THE 2 SPECIES. 1990: ROAD 

 CONDEMNED AND CLOSED, POPULATION NOT RELOCATED; SUSPECTED EXTIRPATED. 



General site description: 



ROADSIDE, GRAVELLY LOAM SOILS; PSEUDOTSUGA MENZIESII/LARIX 

 OCCIDENTALIS/PINUS CONTORTA/PINUS PONDEROSA, WITH CENTAUREA MACULOSA, 

 ACHILLEA MILLEFOLIUM, CARDUUS NUTANS, CIRSIUM. 



Land owner/manager: 



CHAMPION INTERNATIONAL LAND 



Comments : 



VOUCHER-SHELLY, J.S. (1292), 1986, MONTU. 



Information source: 



SHELLY, J.S. 1986. FIELD SURVEYS IN MISSOULA AND POWELL COS. OF 25-26 

 JULY, 28-31 JULY, 2-6 AUGUST & 20-22 AUGUST. 



Montana Natural Heritage Program 



