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Full Issue, Vol. 12 Monographs of the Western North American Naturalist Volume 12 Vascular Flora of the Kiabab Plateau Article 4 12-1-2020 Full Issue, Vol. 12 Follow this and additional works at: https://scholarsarchive.byu.edu/mwnan Recommended Citation (2020) "Full Issue, Vol. 12," Monographs of the Western North American Naturalist: Vol. 12 , Article 4. Available at: https://scholarsarchive.byu.edu/mwnan/vol12/iss1/4 This Full Issue is brought to you for free and open access by the Western North American Naturalist Publications at BYU ScholarsArchive. It has been accepted for inclusion in Monographs of the Western North American Naturalist by an authorized editor of BYU ScholarsArchive. For more information, please contact [email protected], [email protected]. Monographs of the Western North American Naturalist Volume 12 2020 Monte L. Bean Life Science Museum Brigham Young University Provo, Utah MONOGRAPHS OF THE WESTERN NORTH AMERICAN NATURALIST PUBLISHED AT PROVO, UTAH, BY MONTE L. BEAN LIFE SCIENCE MUSEUM 1110 MLBM Brigham Young University Provo, UT 84602 SUBMISSIONS editorialmanager.com/wnan ARCHIVE scholarsarchive.byu.edu/mwnan E-MAIL [email protected] PHONE 801-422-6688 MARK C. BELK, EDITOR JANENE AUGER, MANAGING EDITOR Associate Editors Elizabeth Arellano CIBYC, Universidad Autónoma del Estado de Morelos, México Arenas Shawn M. Clark Monte L. Bean Life Science Museum, Brigham Young University, Provo, UT J. Curtis Creighton Dept. of Biological Sciences, Purdue University Calumet, Hammond, IN James G. Harris Dept. of Biology, Utah Valley University, Orem Justin D. Hoffman Dept. of Biology and Health Sciences, McNeese State University, Lake Charles, LA Jocelyn Hudon Royal Alberta Museum, Edmonton, Canada Spencer J. Ingley Faculty of Sciences, Brigham Young University–Hawaii, Laie Tim Karels Dept. of Biology, California State University, Northridge William K. Lauenroth School of Forestry and Environmental Studies, Yale University, New Haven, CT Michael L. Morrison Dept. of Wildlife and Fisheries Sciences, Texas A&M University, College Station C. Riley Nelson Dept. of Biology, Brigham Young University, Provo, UT Calvin A. Porter Dept. of Biology, Xavier University of Louisiana, New Orleans Alison Whiting Monte L. Bean Life Science Museum, Brigham Young University, Provo, UT Editorial Board. Russell B. Rader, Chair, Biology; Leigh A. Johnson, Biology; Randy T. Larsen, Plant and Wildlife Sciences; and Brock R. McMillan, Plant and Wildlife Sciences. All are at Brigham Young University. Ex officio editorial board members include Duke S. Rogers, Monte L. Bean Life Science Museum; Mark C. Belk, Biology; and Janene Auger, Monte L. Bean Life Science Museum. The open access series, Monographs of the Western North American Naturalist, is published on an ad hoc basis by Brigham Young University. We solicit unpublished manuscripts that further our biological understanding of western North America, including western Canada and all of Mexico; all manuscripts receive peer reviews. In accepting manu- scripts, we place neither restriction nor preference on disciplines within the biological sciences. However, both subject matter and manuscript length are subject to approval of the editor and editorial board. Questions concerning manu- scripts or proposed research topics should be addressed to the editor. Manuscript Submission. See Information for Authors on the inside back cover. Editorial Production. Melissa Lyons and Alaina Dunn Manuscript Supervision. Melissa Lyons Copyright ©2020 by Brigham Young University ISSN 1545-0228 Print publication mail date: 28 December 2020 Monographs of the Western North American Naturalist Volume 12 2020 MONTE L. BEAN LIFE SCIENCE MUSEUM Brigham Young University Provo, Utah All current and back issues of the Monographs of the Western North American Naturalist are available as open access content at BioOne (https://bioone.org/journals/monographs-of-the- western-north-american-naturalist) and Scholars Archive (https://scholarsarchive.byu.edu/mwnan). © 2020 by Brigham Young University, Provo, UT Individual articles in this issue of Monographs of the Western North American Naturalist are distributed under the terms of the Creative Commons Attribution License CC BY-NC 4.0, which permits unrestricted noncommercial use and redistribution provided that the original author and source are credited. Printed in the United States of America ISSN 1545-0228 Monographs of the Western North American Naturalist 12, © 2020, pp. 1–52 Checklist of the vascular flora of the Kaibab Plateau, Coconino County, Arizona GLENN R. RINK1,*, WENDY HODGSON2, AND BARBARA GOODRICH PHILLIPS3 1Northern Arizona University, Department of Biological Sciences, Box 5640, Flagstaff, AZ 86001 2Desert Botanical Garden, 1201 N. Galvin Parkway, Phoenix, AZ 85008 3Museum of Northern Arizona, 3101 North Fort Valley Road, Flagstaff, AZ 86001 ABSTRACT.—Seven hundred and ninety-two vascular plant taxa were documented for the Kaibab Plateau through a review of herbarium records (primarily online) and targeted fieldwork focusing on springs, natural ponds, cattle tanks, and sinkholes. Taxa not previously published or currently recorded on SEINet for the Kaibab Plateau include 7 taxa for Grand Canyon National Park, 4 taxa for the Kaibab National Forest, 51 taxa for the Kaibab Plateau, 6 taxa for Coconino County, and 5 taxa for the state of Arizona. Two hundred and thirty previously published records or records on SEINet were eliminated from the flora area by reviewing specimens that were either misidentified or mismapped. RESUMEN.—Se documentaron setecientos noventa y dos plantas vasculares en la Meseta de Kaibab a través de una revisión de los registros herbarios (principalmente en línea) y trabajo de campo enfocado a manantiales, estanques naturales, tanques de ganado y sumideros de agua. El estudio del taxón no previamente publicado o actualmente en el portal en línea de SEINet en la Meseta de Kaibab incluye 7 taxones del Parque Nacional del Gran Cañón, 4 taxones del Bosque Nacional Kaibab, 51 taxones de la Meseta de Kaibab, 6 taxones del Condado de Coconino y 5 del Estado de Arizona. Se eliminaron doscientos treinta registros o registros publicados en SEINet del área de la flora ya sea porque fueron mal identificados o mal ubicados. The Kaibab Plateau (KP), located in Coco - exotics. Twenty-two Grand Canyon National nino County in northern Arizona and Kane Park (GRCA) special status plant species listed County in southern Utah (Figs. 1, 2), is the by Brian (2000), 26 species tracked by the Ari- southernmost plateau of the high plateaus that zona State Natural Heritage Program (2007– extend south through Utah. It is dominated by 2020a, 2007–2020b), and 20 species consid- spruce-fir forests at upper elevations and pon- ered in Kaibab National Forest planning (Han- derosa pine forests at lower elevations, with nemann and Foster 2014) are listed in Table 1. meadows between forested ridges. The dense, Seven taxa in Table 1 are endemic to the KP shaded spruce-fir forests are a southward and its immediate environs. The KP harbors extension of a vegetation type that is wide- 2 plant species, Castilleja kaibabensis (Kaibab spread just below the tundra in the Rocky paintbrush) and Physaria kingii subsp. kaibaben- Mountains and the Intermountain Region sis (Kaibab bladderpod) that are endemic to its (Phillips et al. 1987). This high plateau is sepa- high meadows (Reichenbacher 1986, Spence rated from similar habitats by deserts in every 2006, 2007, Rink 2016). Locating new popu- direction, limiting plant dispersal and repro- lations of these special status and endemic ductive interaction with plants from similar but plant species was a focus of our 2007–2015 distant habitats (MacArthur and Wilson 1967). field effort. Our goal was to document the vascular flora of the upper-elevation sky island portion SITE DESCRIPTION of the KP, as well as provide additional infor- mation related to the distribution and relative The study site, which includes upper eleva- abundance of species of special concern, such tions of the KP, has an elevational range of as threatened and endangered species and approximately 2130–2800 m (6900–9200 ft). *Corresponding author: [email protected] This is an open access article distributed under the terms of the Creative Commons Attribution License CC BY-NC 4.0, which permits unrestricted noncommercial use and redistribution provided that the original author and source are credited. 1 2 MONOGRAPHS OF THE WESTERN NORTH AMERICAN NATURALIST (2020), VOL. 12, PAGES 1–52 Fig. 1. Map showing the vicinity of the Kaibab Plateau and the area studied. The lower elevational limit for this checklist is The northern two-thirds (ca. 1450 km2 somewhat arbitrary, with the intention of cap- [560 mi2]) of our study area is Kaibab National turing the unique flora of the upper elevations Forest (KNF) administered by the North of the KP and lower portion of the ponderosa Kaibab Ranger District (NKRD), while the pine–Douglas-fir communities. By so doing, southern third (ca. 430 km2 [166 mi2]) is we included steep xeric and mesic terrain managed by GRCA. The KNF portion of the below the rim as well as hanging gardens. KP includes the Pediocactus paradinei Con- With the exception of the higher regions of the servation Area, which is managed to preserve Powell Plateau, high buttes or mesas within the unique plants there (USDA 1997, Hanne- GRCA were not included. The boundary of mann and Foster 2014), and the Franks Lake our study area (Fig. 1) is well defined by the Geologic
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