Rationales for Plant Species Considered for Species of Conservation Concern Inyo National Forest Prepared by: Botanists and Natural Resources Specialists Inyo National Forest and Regional Office for: Inyo National Forest July 2017 This document provides near-final supporting information, including rationale statements that will accompany the final Species of Conservation Concern list for the Inyo National Forest. We are continuing refinement of the supporting information that will be available in the final plan products. The document’s purpose is to demonstrate how we are updating supporting information and addressing other public feedback on the Species of Conservation Concern list released in 2016. The formatting and organization you see here will be improved in the final document to be released later this fall. 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Plant Rationales Species of Conservation Concern Contents Rationales for Plant Species Considered for Species of Conservation Concern Inyo National Forest ............................................................................................................................................... 1 Introduction ................................................................................................................................. 1 Chapter 1 – Rationale for Plant Species Determined to be Species of Conservation Concern ... 5 Abronia alpina - Ramshaw Meadows abronia ........................................................................ 5 Agrostis humilis - alpine bentgrass .......................................................................................... 6 Aliciella triodon (Gilia t.) - coyote gilia .................................................................................. 7 Allium atrorubens var. atrorubens - Great Basin onion .......................................................... 8 Astragalus cimae var. sufflatus - inflated Cima milk-vetch .................................................... 9 Astragalus inyoensis - Inyo milk-vetch ................................................................................. 10 Astragalus johannis-howellii - Long Valley milk-vetch ....................................................... 10 Astragalus kentrophyta var. elatus - spiny-leaved milk-vetch .............................................. 11 Astragalus lemmonii - Lemmon's milk-vetch ........................................................................ 12 Astragalus lentiginosus var. kernensis - Kern milk-vetch..................................................... 13 Astragalus monensis - Mono milk-vetch ............................................................................... 14 Astragalus ravenii - Raven's milk-vetch ............................................................................... 15 Astragalus serenoi var. shockleyi - Shockley's milk-vetch ................................................... 16 Astragalus subvestitus - Kern County milk-vetch ................................................................. 16 Boechera bodiensis (Arabis b.) - Bodie Hills rockcress ........................................................ 17 Boechera evadens (Arabis fernaldiana var. stylosa) - hidden rockcress ............................... 18 Boechera pinzliae (Arabis p.) - Pinzl's rockcress .................................................................. 19 Boechera shockleyi (Arabis s.) - Shockley's rockcress .......................................................... 20 Boechera tiehmii (Arabis t.) - Tiehm's rockcress .................................................................. 21 Boechera tularensis - Tulare rockcress ................................................................................. 21 Botrychium ascendens - upswept moonwort ......................................................................... 22 Botrychium crenulatum - scalloped moonwort ..................................................................... 23 Botrychium lineare - common moonwort ............................................................................. 24 Botrychium minganense - mingan moonwort ........................................................................ 25 Bruchia bolanderi - Bolander's bruchia ................................................................................. 26 Calochortus excavatus - Inyo County star-tulip .................................................................... 27 Calyptridium pygmaeum (Cistanthe pygmaea) – Pygmy pussypaws .................................... 27 Carex davyi - Davy's sedge ................................................................................................... 28 Carex duriuscula - spikerush sedge....................................................................................... 29 Carex idahoa (C. parryana var. hallii) - Idaho sedge ........................................................... 30 Carex petasata - Liddon's sedge............................................................................................ 31 Carex praticola - northern meadow sedge ............................................................................ 32 Carex scirpoidea ssp. pseudoscirpoidea - western single-spiked sedge ............................... 32 Carex stevenii - Steven's sedge .............................................................................................. 33 Carex tiogana - Tioga Pass sedge ......................................................................................... 34 Carex vallicola - western valley sedge .................................................................................. 35 Chaetadelpha wheeleri - Wheeler's dune-broom .................................................................. 36 Claytonia megarhiza - fell-fields claytonia ........................................................................... 36 Cordylanthus eremicus ssp. kernensis - Kern Plateau bird's-beak ........................................ 37 Crepis runcinata (C. r. ssp. Hallii) - Hall's meadow hawksbeard ......................................... 38 Cuniculotinus gramineus (Chrysothamnus g.) - Panamint rock-goldenrod .......................... 39 Cymopterus globosus - globose cymopterus ......................................................................... 40 Dedeckera eurekensis - July gold .......................................................................................... 41 Draba californica - California draba ..................................................................................... 41 i Plant Rationales Species of Conservation Concern Draba monoensis – White Mountains Draba (Mono draba) ................................................. 42 Draba sharsmithii - Mt. Whitney draba ................................................................................ 43 Dryopteris filix-mas - male fern ............................................................................................ 44 Ericameria gilmanii - Gilman's goldenbush .......................................................................... 45 Erigeron compactus - compact daisy .................................................................................... 46 Erigeron uncialis var. uncialis - limestone daisy .................................................................. 47 Eriogonum alexandrae - Alexander’s buckwheat ................................................................. 47 Eriogonum mensicola - Pinyon Mesa buckwheat ................................................................. 49 Eriogonum wrightii var. olanchense - Olancha Peak buckwheat .......................................... 49 Greeneocharis circumscissa var. rosulata- rosette cushion cryptantha ...............................