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COLOWYO 1990 RECLAIMED ARBA - 1995 COVER DATA Species Mean Cover (}) Re ative Cover (}j Range o Cover Values (}) Percen[ Frequency (}) Re ative Prequency (}) I. V. Rank COOL SEASON PERENNIAL GRASSES Agropyron dasystachyum 1. 00 1. 36 0 - 10 10. 00 3. 23 4. SB B Agropyron smithii 10 .33 14. 03 0 - 60 30. 00 9. 68 23. 70 2 Agropyron trachycaulum 0. 67 0. 90 0 - 20 3. 33 1. OB I. 98 23 Bromus species 0. 67 0. 90 0 - 20 3. 33 1. 08 1. 98 13 Sub-total 12 .67 17. 19 INTRODUCED PERENNIAL GRASSES Agropyron intexmedium 9 .00 12. 22 0 - 60 30. 00 9. 68 21. 89 3 Bromus inermis 1 .00 1. 36 0 - 30 3. 33 1. 08 2. 93 12 Dactylis glomerata 0 .67 0. 90 0 - 0 3. 33 1. 08 1. 98 13 8lymus junceus 0 .67 0. 90 0 - 10 6. 67 2. 15 3. 06 11 Sub-total 11 .33 15. 38 ANNUAL GRASSES Bromus tectorum 24 .00 32 .SB 0 - 80 80. 00 25. 81 58. 39 1 Sub-total 24 .00 32. 58 PERENNIAL FORBS Achilles lanulosa 1 .00 1 .36 0 - 30 3. 33 1. 08 2. 43 12 Allium texile 1 .00 1 .36 0 - 10 10. 00 3. 23 4. 58 8 Astragalus sp. 7 .33 9 .95 0 - 70 26. 67 8 .60 18. 56 4 Cardaria drabs 0 .67 0 .90 0 - 10 6. 67 2. 15 3. 06 11 Cirsium canescens 2 .00 2 .71 0 - 30 10. 00 3. 23 5. 94 7 Linum lewiaii O .fi7 0 .90 0 - 20 3. 33 1. 08 1. 98 13 Lupinus species 0 .33 0 .45 0 - 10 3. 33 1 .08 1. 53 14 Medicago sativa 0 .33 0 .45 0 - 10 3. 33 1 .08 1. 53 14 Penstemon palmeri 1 .00 1 .36 0 - 20 6. 67 2 .15 3. 51 10 Penstemon strictus 0 .67 0 .90 0 - 20 3. 33 1. 08 1. 98 13 Sub-total 15 .00 20 .36 ANNUAL AND BIENNIAL FORBS Alyssum alyssoides 3 .00 9 .07 0 - 40 13. 33 4 .30 8. 37 6 Descurainia pinnata 1 .33 1 .81 0 - 20 6. 67 2 .15 3. 96 9 Lactuca serriola 2 .00 2 .71 0 - 40 10. 00 3 .23 5. 94 7 Thlaspi arvense 4 .33 5 .88 0 - 30 33. 33 10 .75 16. 64 5 Sub-total 10 .67 14 .48 SUM OF SPECIES COVER 73 .67 LITTER 16 .33 0 - 50 70 .00 TOTAL VEGETATION COVER 73 .67 +/- 16 .91 BARE SOIL 10 .00 +/- 11 .14 TOTAL GROUND COVER 90 .00 +/- 11 .14 Number of Species/sample 3.10 February 6, 1996