Scientific Name: SPIRANTHES DILUVIALIS 

 Common Name: UTE LADIES' TRESSES 



Global rank: G2 

 State rank: SI 



Forest Service status: 

 Federal Status: 



LT 



Element occurrence code: PMORC2B100. 004 

 Element occurrence type: 

 Survey site name: TWIN BRIDGES 



EO rank: AB 

 EO rank comments: EXTENSIVE HABITAT, MOSTLY GOOD CONDITION, WITH 



MANY SMALL SUBPOPULATIONS . 

 County: MADISON 



USGS quadrangle: BEAVERHEAD ROCK NE 



Township: Range: Section: TRS comments: 



004S 006W 00 

 004S 007W 



BEAVERHEAD ROCK 



Precision: 



Survey date: 



First observation: 



Last observation: 



1996-08-12 Elevation: 4700 - 



1996-08-12 Slope/aspect: 0-1% / VARIABLE 



1997-08-29 Size (acres) : 10 



Location: 



CONTACT THE MONTANA NATURAL HERITAGE PROGRAM. 



Element occurrence data: 



58 PLANTS COUNTED IN 1996; CA. 30 FOUND IN NEW SEGMENT IN 1997 FOR 

 ACTUAL COUNT OF CA. 100+ ALONG MANY MILES OF MEANDERED WETLAND. 



General site description: 



EXTENSIVE MARL FLAT MARGINS ALONG SLOUGH AND OTHER ADJOINING MEANDERED 

 WETLANDS IN THE BUFFALOBERRY BOTTOMS OF THE BEAVERHEAD RIVER VALLEY. 

 HABITAT TYPES INCLUDE CAREX SIMULATA AND TYPES DOMINATED OR 

 CODOMINATED BY ELEOCHARIS PAUCIFLORA. OTHER ASSOCIATED SPECIES INCLUDE 

 PRIMULA INCANA, HABENARIA HYPERBOREA, TRIGLOCHIN PALUSTRIS, 

 MUHLENBERGIA FILIFORMIS, M. RICHARDSONIS, JUNCUS NODOSUS, AND 

 SPHENOPHOLIS OBTUSATA. 



Land owner/manager: 



PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) 

 STATE LAND - UNDESIGNATED 



Comments: 



EXTENSIVE HABITAT WITH MANY SMALL POPULATIONS. THE OCCUPIED HABITAT IS 

 IN GOOD CONDITION BUT THE EXTENT OF HABITAT MAY BE AFFECTED BY 

 IRRIGATION AND LIVESTOCK GRAZING. EUPHORBIA ESULA IS BEGINNING TO 

 INVADE NEARBY. 



Information source: 



HEIDEL, BONNIE. [BOTANIST] MONTANA NATURAL 

 HERITAGE PROGRAM, 1515 EAST SIXTH AVENUE, P.O. BOX 

 201800, HELENA, MT 59620-1800. WORK: 406/444-3009. 



Specimens: HEIDEL, B. (1523) 



1996. 



MONTU . 



