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Table 5. Colorado Butterfly Plant occurrence evaluafion form for the Duckworth Property. <br />Colorado Butterfly Plant <br />Element Occurrence Record <br />Scientitic Name: Gaura neomexicana ssp. coloradensis <br />Site Name: Lafarge Duckworth Site Survey Site: Alon¢ Idaho Creek and Flood lain <br />County: Weld State: CO Township, Range: T 2 N. R 68 W <br />USGS Quadrangle:_Longmont. Colorado Sections: South %z of Northeast Quarter of Sect. 16 <br />Directions to Site: From Boulder, go northeast on Colorado 119 to Colorado 52 and turn east. Go <br />proximately 8 miles east to Boulder/Weld County Line Road and turn north. Go north 3.5 miles and <br />turn east. Go east approximately 3 miles. Site is on north side of road at the comer of Weld Countv Road <br />7 and Rinn Road. <br />Date(s) of Survey: July 16, 2001 <br />Population Data: No Gaura neomexicana ssp. coloradensis observed <br />(If the species is present, provide information about population size, extent, reproduction status, disease, <br />predation, or other important features. <br />Number of Individuals: 0 <br />Phenological Status: Bud: (%) Fruit: (%) Flower: (%) <br />Estimated Amount of Potential Habitat (acres): Less than 1.0 acres <br />General Site Description: See accompanying wetlands delineation report <br />Geology: Floodplain and Channel of Idaho Creek Aspect: Site is essentially flat <br />Soil: Clayey soils that are somewhat alkaline/saline Slope: Site is essentially flat <br />Associated Taxa: Red top (Aerostis stolonifera) was observed in the wetlands on the site. While <br />listed as a [axon associated with Colorado Butterfly plant, this species is widespread and occurs on many <br />sites where Colorado Butterfly Plant does not occur. <br />Weather: Sunny to partly cloudy Elevation: 4870 feet <br />Moisture Status: Sites alone stream channel were moist. Some standing water in irrigation return <br />flow and flood imgated areas. <br />Habitat Quality Comments: Portions of the study site could possibly have acceptable habitat for <br />Colorado Butterfly Plant, however no individuals were observed. No gaura species were observed on the <br />site. <br />Disturbance: Most of the site is grazed by cattle <br />I.D. Problems: (Yes or No) No <br />Phenological State of Species at this date (regional): -Flowering or near flowering <br />-13- <br />