Table A-3. Continued. 
25 




Growtha habit 


Common name Scientific name information 
Tall wheatgrass Agropyron elongatum (Host) Beauv. GPI 
Tansy mustard Descurainia pinnata (Walt.) Britt. FAN 
Thymeleaf euphorbia Euphorbia serpyllifolia Pers, FAN 
Timothy Phleum pratense L. GPI 
Tumbling mustard Sisymbrium altissimum L. FAI 
Upright yellow wood sorrel Oxalis stricta L. FPN 
Violet wood sorrel Oxalis violacea L. FPN 
Water horehound Lycopus americanus Muhl, FPN 
Wavy-leaf thistle Cirsium undulatum (Nutt.) Spreng. FPN 
Western dock Rumex occidentalis Wats. FPN 
Western ragweed Ambrosia psilostachya DC. FPN 
Western rock jasmine Androsace occidentalis Pursh FAN 
Western wheatgrass Agropyron smithii Rydb, GPN 
Western wild rose Rosa woodsii Lindl. SPN 
White cockle Lychnis alba Mill. FPI 
White prairie aster Aster ericoides L. FPN 
White sage Artemisia ludoviciana Nutt. FPN 
White sweet clover Melilotus albus Desr. FBI 
Wild barley Hordeum jubatum L. GPN 
Wild buckwheat Polygonum convolvulus L. FAI 
Wild four-o’clock Mirabilis nyctaginea (Michx.) MacM. FPN 
Wild licorice Glycyrrhiza lepidota Pursh FPN 
Wild oat Avena fatua L. GAI 
Wild rhubarb Arctium minus Schkuhr FBI 
Willow-leaved dock Rumex mexicanus Meisn, FPN 
Witchgrass Panicum capillare L. GAN 
Wormseed wallflower Erysimum cheiranthoides L. FAN 
Wormwood Artemisia absinthium L. FPI 
Yarrow Achillea millefolium L. FPN 
Yellow foxtail Setaria glauca (L.) Beauv. GAI 
Yellow sweet clover Melilotus officinalis (L.) Lam. FBI 
Yellow whitlowort Draba nemorosa L. FAI 

aT = tree, S = brush or shrubs, F = forb, G = grass, P = perennial, B = biennial, A = annual, N = native, and I = introduced. 
Table A-4, Summation of residual cover measurements for 1977 stands of seeded nesting cover. 



Visual obstruction Height 
Stand age : — - 
(year) No. stands No. measurements X +8.D. Range No. stands No. measurements X +S,D. Range 
2 19 1,688 2.2 1.1 1.0-5.1 16 375 8.9 3.3 4,0-17.0 
3 19 1,716 2.2 0.8 1.0-3.8 18 405 7.3 1.8 4.6-9.8 
4 13 1,260 2.6 0.9 1.1-4.3 13 315 7.5 2.4 3.5-12.2 
5 20 1,652 2.1 0.9 0.6-3.6 17 390 7.1 2.2 3.7-10.5 
6 6 520 2.0 0.5 1.5-2.8 6 130 6.9 0.8 5.5-7.6 
7 5 500 1.6 0.7 1.0-2.6 5 125 6.2 2.5 3.2-8.9 
8 1 100 1.4 — 1.4 ] 25 6.2 - 


