species,slope of change through time,variance,number of observations,trend,proportion pairwise years with correct trend Achillea millefolium,0.044,0.035,29,Increase,0.47 Achyrachaena mollis,-0.053,0.123,63,Decrease,0.60 Agoseris grandiflora,-0.003,0.090,48,No change,0.67 Agoseris heterophylla,-0.065,0.061,64,Decrease,0.47 Aira caryophyllea,-0.058,0.066,26,Decrease,0.93 Allium serra,-0.025,0.089,17,No change,0.40 Amsinckia menziesii,-0.057,0.074,58,Decrease,0.73 Anagallis arvensis,0.030,0.090,12,No change,0.40 Aphanes occidentalis,-0.049,0.104,28,Decrease,0.80 Astragalus gambelianus,0.043,0.124,19,No change,0.47 Athysanus pusillus,-0.062,0.058,121,Decrease,0.67 Avena fatua,0.039,0.028,405,Increase,0.67 Brodiaea elegans,-0.072,0.072,34,Decrease,0.67 Bromus diandrus,-0.007,0.056,266,No change,0.27 Bromus hordeaceus,-0.076,0.058,407,Decrease,0.93 Bromus madritensis,0.000,0.088,159,No change,0.53 Calochortus luteus,0.017,0.099,31,No change,0.67 Calochortus superbus,0.014,0.089,13,No change,0.27 Carduus pycnocephalus,-0.093,0.030,72,Decrease,0.93 Castilleja attenuata,-0.040,0.092,24,Decrease,0.33 Castilleja densiflora,-0.038,0.092,13,Decrease,0.40 Centaurea melitensis,-0.035,0.058,64,Decrease,0.40 Centaurea solstitialis,-0.050,0.075,194,Decrease,0.73 Cerastium glomeratum,-0.098,0.072,39,Decrease,0.67 Chlorogalum pomeridianum,-0.078,0.035,53,Decrease,0.40 Clarkia purpurea,-0.050,0.127,236,Decrease,0.67 Claytonia parviflora,-0.052,0.072,30,Decrease,0.67 Collinsia sparsiflora,-0.054,0.067,60,Decrease,0.47 Crassula connata,0.027,0.134,15,No change,0.40 Cynosurus echinatus,-0.087,0.093,26,Decrease,0.47 Dactylis glomerata,-0.002,0.058,21,No change,0.87 Daucus pusillus,-0.066,0.068,72,Decrease,0.67 Delphinium variegatum,-0.039,0.075,17,Decrease,0.33 Dichelostemma capitatum,-0.050,0.053,270,Decrease,0.53 Dodecatheon hendersonii,0.088,0.045,20,Increase,0.73 Elytrigia repens,0.074,0.055,16,Increase,0.73 Epilobium brachycarpum,-0.062,0.079,59,Decrease,0.73 Eremocarpus setigerus,0.028,0.087,40,Increase,0.40 Erodium botrys,-0.046,0.067,45,Decrease,0.33 Erodium brachycarpum,0.060,0.031,172,Increase,0.67 Erodium cicutarium,0.028,0.067,288,Increase,0.53 Euphorbia crenulata,-0.082,0.044,100,Decrease,1.00 Filago gallica,-0.020,0.122,77,No change,0.40 Galium aparine,-0.051,0.106,78,Decrease,0.47 Galium murale,-0.048,0.070,269,Decrease,0.53 Gastridium ventricosum,0.054,0.080,19,Increase,0.67 Geranium dissectum,-0.061,0.047,263,Decrease,0.87 Geranium molle,-0.039,0.082,41,Decrease,0.33 Gilia tricolor,-0.012,0.093,26,No change,0.20 Hemizonia congesta,-0.007,0.094,78,No change,0.47 Holocarpha virgata,0.013,0.070,211,No change,0.40 Hypochaeris glabra,-0.036,0.097,196,Decrease,0.53 Lactuca serriola,-0.051,0.058,125,Decrease,0.53 Lathyrus vestitus,0.014,0.066,16,No change,0.60 Linanthus bicolor,0.013,0.105,51,No change,0.47 Linanthus ciliatus,-0.059,0.060,23,Decrease,0.87 Lolium multiflorum,-0.065,0.053,145,Decrease,0.73 Lomatium marginatum,0.049,0.042,18,Increase,0.40 Lomatium utriculatum,-0.083,0.030,19,Decrease,0.60 Lotus humistratus,0.009,0.095,18,No change,0.40 Lotus micranthus,-0.046,0.102,20,Decrease,0.73 Lotus wrangelianus,-0.002,0.143,171,No change,0.33 Lupinus bicolor,0.042,0.074,275,Increase,0.47 Lupinus microcarpus,0.047,0.067,33,Increase,0.60 Madia exigua,-0.015,0.117,39,No change,0.27 Madia gracilis,-0.062,0.072,54,Decrease,0.60 Medicago polymorpha,-0.045,0.065,174,Decrease,0.53 Melica californica,0.077,0.062,21,Increase,0.33 Melilotus indica,-0.047,0.128,15,Decrease,0.60 Micropus californicus,-0.008,0.084,126,No change,0.73 Microseris douglasii,-0.086,0.052,11,Decrease,0.93 Nassella pulchra,0.002,0.035,89,No change,0.80 Navarretia pubescens,0.002,0.079,88,No change,0.53 Pectocarya pusilla,-0.055,0.069,24,Decrease,0.67 Phalaris paradoxa,-0.079,0.054,16,Decrease,1.00 Phlox gracilis,-0.043,0.064,28,Decrease,0.40 Plagiobothrys nothofulvus,0.019,0.153,45,No change,0.53 Plantago erecta,0.026,0.047,185,Increase,0.47 Plectritis ciliosa,-0.038,0.082,35,Decrease,0.33 Poa bulbosa,0.048,0.080,11,Increase,0.27 Poa secunda,0.019,0.132,21,No change,0.73 Quercus douglasii,0.084,0.045,15,Increase,0.87 Ranunculus occidentalis,-0.057,0.059,28,Decrease,0.80 Sanicula bipinnata,-0.036,0.077,43,Decrease,0.47 Sanicula bipinnatifida,-0.030,0.032,83,Decrease,0.40 Senecio vulgaris,-0.026,0.113,37,No change,0.27 Sidalcea diploscypha,-0.081,0.067,29,Decrease,0.73 Silene gallica,-0.055,0.064,35,Decrease,0.80 Sisyrinchium bellum,0.058,0.028,42,Increase,0.60 Taeniatherum caput-medusae,-0.084,0.017,350,Decrease,1.00 Thysanocarpus curvipes,0.063,0.074,20,Increase,0.27 Torilis arvensis,-0.064,0.044,208,Decrease,0.93 Trifolium albopurpureum,-0.058,0.099,29,Decrease,0.47 Trifolium bifidum,-0.001,0.105,137,No change,0.27 Trifolium depauperatum,0.000,0.100,17,No change,0.33 Trifolium dubium,0.004,0.100,14,No change,0.33 Trifolium fucatum,0.002,0.102,18,No change,0.20 Trifolium gracilentum,-0.001,0.123,89,No change,0.47 Trifolium hirtum,-0.017,0.061,321,Decrease,0.40 Trifolium microcephalum,-0.017,0.126,50,No change,0.20 Trifolium microdon,-0.015,0.079,71,No change,0.40 Trifolium willdenovii,-0.053,0.074,24,Decrease,0.40 Triphysaria eriantha,0.004,0.109,12,No change,0.40 Triteleia laxa,-0.042,0.060,72,Decrease,0.40 Velezia rigida,0.017,0.087,13,No change,0.13 Vicia villosa,0.058,0.043,258,Increase,0.80 Vulpia microstachys,0.018,0.094,69,No change,0.27 Vulpia myuros,-0.059,0.054,136,Decrease,0.67 Wyethia glabra,0.019,0.046,20,No change,0.93 Zigadenus fremontii,-0.047,0.077,18,Decrease,0.60