Scientific Name: SALIX EXIGUA CT 

 Common Name: RIVERBANK WILLOW COMMUNITY 



Global rank: G5 

 State rank: S4 



Forest Service status; 

 Federal Status; 



Element occurrence code: C3B4CDABA0. 001 



Survey site name: 



EO rank: 



EO rank comments: 



MAIDEN EXCLOSURE - NORTHEAST 



B 



ALTHOUGH THE SURROUNDING LANDS WERE 



LIKELY HEAVILY GRAZED PRIOR TO EXCLOSURE 



ESTABLISHMENT IN 1984, IS IS DOUBTFUL 



CATTLE FREQUENTED SUCH DENSE SALIX 



STANDS. 



County: BEAVERHEAD 



USGS quadrangle: MELROSE 



Township: OOIS Range: 009W Section: 

 Township-range comments: NE4SE4 



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Precision; 



Survey date: 



First observation: 



Last observation: 



1991-08-20 



1991 



1991-08-20 



Elevation: 5320 

 Slope/aspect: 2% / NORTHEAST 

 Size (acres) : 1 



Location: 



FROM THE MOOSE CREEK ROAD EXIT (#99) ON INTERSTATE 15, PROCEED NORTH 

 AND WEST ON FRONTAGE ROAD 0.5 MILE TO JUNCTION WITH A GRAVEL ROAD. 

 TAKE THIS GRAVEL ROAD SOUTH 1.2 MILES TO A Y INTERSECTION. GO LEFT AND 

 RIGHT CA. 1 MILE TO A BRIDGE CROSSING THE RIVER. CROSS THE BRIDGE. 

 EXCLOSURE IS TO THE RIGHT. 



Element occurrence data: 



WITHIN PLOT, 11 SPECIES OBSERVED. DOMINANTS INCLUDE: SALIX EXIGUA (98% 

 CANOPY COVER) , CORNUS STOLONIFERA (TRACE) , ELEOCHARIS PALUSTRIS 

 (TRACE), PHALARIS ARUNDINACEA (1%), AND MENTHA ARVENSIS (1%). COMPLETE 

 LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. 



General site description: 



ALLUVIAL FLOOD PLAIN; PLOT POSITION IS STREAM CHANNEL IN WIDE VALLEY 

 BOTTOM. GRAVELLY ALLUVIUM PARENT MATERIAL AND AQUIC UDIFLUVENT FOIL 

 SUBGROUP. GROUND COVER: BARE SOIL (20%), TOTAL COARSE FRAGMENTS (13%). 



Land owner/manager: 



BLM: BUTTE DISTRICT, HEADWATERS RESOURCE AREA 

 PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) 



Comments: 



MTNHP PLOT #91RD049. SURVEY CONDUCTED BY R. L. DEVELICE. EXCLOSURE 

 ESTABLISHED 1984 (PERS. COMM., JACK JONES, BLM, BUTTE). SPECIES 

 RICHNESS IS LIKELY LOW DUE TO INTENSE COMPETITION WITH SALIX EXIGUA. 



Information source: 



DEVELICE, ROBERT L. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE 

 PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 



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