. A biological survey of Colorado. Natural history Colorado; Mammals Colorado; Trees Colorado. KORTU A:\rKinOAN FAUNA. [No. 3a. Artemisia tridentata. Sai^obrush. The common sa^vbrusli is almost omniprosonl on tlie liighor plains of western Colorado and also in most of the higher moimtain parks up to 10,000 feet, but was not noted on the |)lains east of the moun- tains. It i^rows on an averagv about 2 feet hia;h, but under favor- able eiuulitions attains a heig'ht of 0 feet or more. The rankest i^rowth I have observed was on the banks of sandy arroyos near La}", Koutt County, where many of
. A biological survey of Colorado. Natural history Colorado; Mammals Colorado; Trees Colorado. KORTU A:\rKinOAN FAUNA. [No. 3a. Artemisia tridentata. Sai^obrush. The common sa^vbrusli is almost omniprosonl on tlie liighor plains of western Colorado and also in most of the higher moimtain parks up to 10,000 feet, but was not noted on the |)lains east of the moun- tains. It i^rows on an averagv about 2 feet hia;h, but under favor- able eiuulitions attains a heig'ht of 0 feet or more. The rankest i^rowth I have observed was on the banks of sandy arroyos near La}", Koutt County, where many of the shrubs were 8 or 10 feet in height. .1. tridentata is abundant at the following localities: Glendevey, Lara- mie Valley: Livermore: North Park plains (see fig. 39); ILihns Peak to Slater: Snake River Valle}-; Iron Springs Divide; Lily Park; south- west of Rangely; Plateau Creek; De Beque to Glenwood and Dot- sero, Grand River Valley; Wolcott; Pine}^ Divide; McCoj^; Egeria Park; parks in Gore Mountains; Middle Park; Roaring Fork Valley. Fig. 39.—Desert sagebrush (Artcmma tridentata) on plains near Higho, North Park. (Park Range in the distance.) to Aspen; Uncompahgre Plateau; Lone Cone; Lone Mesa; Katurita; Coventry; Cerro Ridge; Somerset; Sapinero; Gunnison; Creede; Poncha Pass; Buena Vista; Leadville; Hotchkiss; Saguache; Bay- field; Arboles; and McElmo. Artemisia cana. This sage occurs in Colorado at a somewhat higher average eleva- tion than A. tridentata, although at many points the two species grow together. It was found in abundance at Coulter, Middle Park; near Toponas, Egeria Park; on the Uncompahgre Plateau; and on the lower slopes of Lone Cone, in the San Miguel Mountains. Ryd- berg records it from Breckenridge; Marshall Pass; Hay den Flats, Routt County; Hebron, Xorth Park; and Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations m
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