Equisetaceae – Horsetail Family
Equisetum arvense FIELD HORSETAIL. COMMON HORSETAIL. Perennial. Coconino, Navajo, Apache and Gila counties, 5000-8000 feet [K&P;]. Grand Canyon National Park: Kanabownits Spring, North Rim, 7938 feet (Coconino County) [PP&B;]. Northern Hualapai Mountains, Mohave County; moist soil along drainages [JANAS-24/25]. West Fork of Oak Creek Canyon of Coconino County [DP-21(1)]. Equisetum x ferrissii Continue Reading
Aspleniaceae – Spleenwort Family
Asplenium adiantum-nigrum. BLACK SPLEENWORT. Perennial. Mt. Elden at about 7500 feet [K&P;]. Asplenium platyneuron. EBONY SPLEENWORT. Perennial. FNA range map shows this species occurring as a disjunct population in the middle of northern Arizona [FNA-2]. Asplenium resiliens. BLACK-STEMMED SPLEENWORT. BLACKSTEM SPLEENWORT. Perennial. Near Flagstaff (Coconino County), and in the mountains of Gila County, Continue Reading
Amaranthaceae – Amaranthus Family
Amaranthus acanthochiton (=Acanthochiton wrightii). GREENSTRIPE. Annual. Navajo County at ca. 5000-6000 feet [McD]. Amaranthus albus (Amaranthus graecizans is a name misapplied to this species. [USDA]). PROSTRATE PIGWEED. Annual. Throughout region at 1000-8000 feet [McD, A. graecizans]. Northern Hualapai Mountains, Mohave County: Along Antelope Wash [JANAS-24/25, A. graecizans]. Amaranthus cruentus. RED COXCOMB. PURPLE AMARANTH. RED AMARANTH. Annual. Continue Reading
Anacardiaceae – Sumac or Cashew Family
Rhus glabra. SMOOTH SUMAC. Shrub. Yavapai, Coconino, Navajo, and Apache counties, 5000-8000 feet [McD].Rhus ovata. SUGAR SUMAC. SUGARBUSH. Shrub or small tree. Mohave, Yavapai, and Coconino counties, 3000-5000 feet [McD]. Northern Hualapai Mountains, Mohave County [JANAS-24/25]. Along state highway 96 at ca. 2700 feet elevation, Yavapai County [LD]. Rhus trilobata (=Rhus Continue Reading
