Ventura County Planning Division DRAFT 2018 Locally Important Plant List Number of Scientific Name Common Name Habit Family Federal/State Status Occurrences in Source Ventura County Abronia turbinata Torr. ex S. Consortium of California Turbinate Sand-verbena A/PH Nyctaginaceae 2 Watson Herbaria Acanthoscyphus parishii var. abramsii (E.A. McGregor) Consortium of California Abrams' Oxytheca AH Polygonaceae CRPR 1B.2 4-5 Reveal [synonym: Oxytheca Herbaria parishii var. abramsii] Acanthoscyphus parishii Consortium of California Parish Oxytheca AH Polygonaceae CRPR 4.2 1 (Parry) Small var. parishii Herbaria Rancho Santa Ana Acmispon glaber var. Botanic Garden brevialatus (Ottley) Brouillet Short Deerweed PH Fabaceae 1 Herbarium Acmispon heermannii Heermann Lotus or Consortium of California (Durand & Hilg.) Brouillet var. PH Fabaceae 4 Hosackia Herbaria heermannii Acmispon heermannii var. Roundleaf Heermann Consortium of California PH Fabaceae 1 orbicularis (A. Gray) Brouillet Lotus or Hosackia Herbaria Acmispon junceus (Bentham) Consortium of California Rush Hosackia AH Fabaceae 2 Brouillet var. junceus Herbaria 1 Number of Scientific Name Common Name Habit Family Federal/State Status Occurrences in Source Ventura County Acmispon micranthus (Torrey Consortium of California Grab Hosackia or Lotus AH Fabaceae 3 & A. Gray) Brouillet Herbaria Acmispon parviflorus Consortium of California Tiny Lotus AH Fabaceae 2 (Bentham) D.D. Sokoloff Herbaria Consortium of California Agrostis hallii Vasey Hall's Bentgrass PG Poaceae 1 Herbaria Common or Broadleaf Consortium of California Alisma plantago-aquaticum L. PH Alismataceae 4 Water-plantain Herbaria Consortium of California Allium amplectens Torrey Narrowleaf Onion PG Alliaceae 1 Herbaria Allium denticulatum (Traub) Consortium of California Dentate Fringed Onion PG Alliaceae 1 D. McNeal Herbaria Allium lacunosum S. Watson Consortium of California Pitted Onion PG Alliaceae 1 var. lacunosum Herbaria Allium lacunosum var. Consortium of California davisiae (M.E. Jones) D. Davis Onion PG Alliaceae 1 Herbaria McNeal Consortium of California Allium monticola Davidson Mountain Onion PG Alliaceae 4 Herbaria 2 Number of Scientific Name Common Name Habit Family Federal/State Status Occurrences in Source Ventura County Consortium of California Allium parryi S. Watson Parry Fringed Onion PG Alliaceae 3 Herbaria Consortium of California Allium praecox Brandegee Early Onion PG Alliaceae 4 Herbaria Allophyllum divaricatum Consortium of California (Nuttall) A.D. Grant & V. Divaricate Allophyllum AH Polemoniaceae 4 Herbaria Grant Allophyllum gilioides Consortium of California (Bentham) A.D. Grant & V. Straggling Gilia AH Polemoniaceae 5 Herbaria Grant subsp. gilioides Allophyllum integrifolium Consortium of California Sticky Allophyllum AH Polemoniaceae 1 (Brand) A.D. Grant & V. Grant Herbaria Alopecurus carolinianus Consortium of California Tufted Foxtail AG Poaceae 1 Walter Herbaria Consortium of California Alopecurus saccatus Vasey Pacific Foxtail AG Poaceae 2 Herbaria Amaranthus californicus Consortium of California California Amaranth AH Amaranthaceae 3 (Moq.) S. Watson Herbaria Amaranthus powellii ssp. bouchonii (Thell.) Costea & Consortium of California Carretero Powell Amaranth AH Amaranthaceae 1 Herbaria 3 Number of Scientific Name Common Name Habit Family Federal/State Status Occurrences in Source Ventura County Consortium of California Weak-leaved Burweed or Herbaria Ambrosia confertiflora DC. Bursage PH Asteraceae 2 Ambrosia salsola (T. & G. ex G.) Strother & B.G. Baldwin Consortium of California var. salsola Burrobrush S Asteraceae 3 Herbaria Long-leaved or Purple Consortium of California Ammannia coccinea Rottb. AH Lythraceae 3 Ammannia Herbaria Ammannia robusta Heer & Consortium of California Grand Redstem AH Lythraceae 2 Regel Herbaria Amsinckia eastwoodae J.F. Consortium of California Elegant Fiddleneck AH Boraginaceae 1 Macbr. Herbaria Consortium of California Amsinckia spectabilis Fisch. Showy Fiddleneck AH Boraginaceae 1 Herbaria, Rancho Santa & C. A. Mey. var. spectabilis Ana Botanical Garden Amsinckia vernicosa Hook. & Consortium of California Vernal Fiddleneck AH Boraginaceae 1 Arn. Herbaria Andropogon glomeratus var. Consortium of California Bushy Bluestem PG Poaceae 1 pumilus Vasey ex Dewey Herbaria Androsace elongata subsp. Consortium of California Rock-jasmine AH Primulaceae 2 acuta (Greene) G. Robb. Herbaria 4 Number of Scientific Name Common Name Habit Family Federal/State Status Occurrences in Source Ventura County Antennaria dimorpha (Nuttall) Consortium of California Torrey & A. Gray Low Everlasting PH Asteraceae 2 Herbaria Anthoxanthum occidentale Consortium of California (Buckley) Veldkamp California Sweet Grass PG Poaceae 1 Herbaria Antirrhinum nuttallianum Consortium of California subsp. subsessile (A. Gray) Nuttall Snapdragon AH Plantaginaceae 5 Herbaria D. Thompson Consortium of California Antirrhinum ovatum Eastwood Oval-leaved Snapdragon AH Plantaginaceae CRPR 4.2 2 Herbaria Aphanes occidentalis (Nuttall) Consortium of California Dew-cup, Lady’s Mantle AH Rosaceae 3 Rydb. Herbaria Consortium of California Aphanisma blitoides Moq. Aphanisma S Chenopodiaceae CRPR 1B.2 1 Herbaria Consortium of California Aralia californica S. Watson Elk Clover, Spikenard S Araliaceae 3 Herbaria Consortium of California Arbutus menziesii Pursh Pacific Madrone T Ericaceae 5 Herbaria Consortium of California Arctostaphylos patula Greene Greenleaf Manzanita S Ericaceae 3 Herbaria 5 Number of Scientific Name Common Name Habit Family Federal/State Status Occurrences in Source Ventura County Aristida purpurea Nuttall var. Consortium of California purpurea Purple Three-awn Grass PG Poaceae 1 Herbaria Aristida ternipes var. gentilis Consortium of California (Henrard) J.S. Trent Hook Three-awn Grass PG Poaceae 1 Herbaria Consortium of California Arnica discoidea Benth. Rayless or Discoid Arnica PH Asteraceae 1 Herbaria Artemisia ludoviciana subsp. Consortium of California incompta (Nuttall) Keck White Sagebrush PH Asteraceae 1 Herbaria Artemisia tridentata subsp. Parish Great Basin Consortium of California parishii (Gray) H.M. Hall & S Asteraceae 3 Sagebrush Herbaria Clements Asplenium vespertinum Consortium of California Western Spleenwort PF Aspleniaceae CRPR 4.2 1 Maxon Herbaria Consortium of California Astragalus curtipes A. Gray Morro Milkvetch PH Fabaceae 2 Herbaria Consortium of California Astragalus oxyphysus Gray Robust Milkvetch PH Fabaceae 3 Herbaria Astragalus pomonensis M.E. Consortium of California Pomona Locoweed PH Fabaceae 3 Jones Herbaria 6 Number of Scientific Name Common Name Habit Family Federal/State Status Occurrences in Source Ventura County Consortium of California Herbaria, Mary Carroll, Astragalus pycnostachyus var. Arcadis; Mary Meyer, lanosissimus (Rydb.) Munz Ventura Marsh Milkvetch PH Fabaceae FE, SE, CRPR 1B.1 1 CDFW Astragalus whitneyi A. Gray Consortium of California var. whitneyi Whitney Locoweed PH Fabaceae 3 Herbaria Atriplex argentea var. expansa (S. Watson) S.L. Welsh & Consortium of California Reveal Mojave Silverscale PH Chenopodiaceae 5 Herbaria Atriplex canescens var. Consortium of California laciniata Parish in W.L. Jepson Caleb Saltbush S Chenopodiaceae 1 Herbaria Consortium of California Atriplex coulteri (Moq.) D. Dietr. Coulter Saltbush PH Chenopodiaceae CRPR 1B.2 3 Herbaria Consortium of California Atriplex dioica Raf. Thickleaf Orach AH Chenopodiaceae 4 Herbaria Atriplex watsonii Nelson ex Consortium of California Matscale PH Chenopodiaceae 1 Abrams Herbaria Mary Meyer, CDFW, Baccharis malibuensis Malibu Baccharis S Asteraceae CRPR 1B.1 4 Rick Burgess, Mark Beauchamp & Henrickson Elvin, USFWS Baccharis salicina Torrey & A. Consortium of California Emory Baccharis S Asteraceae 1 Gray Herbaria 7 Number of Scientific Name Common Name Habit Family Federal/State Status Occurrences in Source Ventura County Consortium of California Batis maritima L. Saltwort, Beachwort S Bataceae 3 Herbaria Berberis aquifolium var. Dull-leaf or Jepson Holly- Consortium of California dictyota Jeps. leaved Barberry S Berberidiaceae 3 Herbaria Berberis pinnata Lagasca Consortium of California subsp. pinnata Pinnate-leaved Barberry S Berberidiaceae 2 Herbaria Consortium of California Bidens frondosa L. Sticktight AH Asteraceae 2 Herbaria Boechera breweri (S. Watson) Consortium of California Al-Shehbaz var. breweri Brewer Rock Cress PH Brassicaceae 2 Herbaria Boechera californica (Rollins) Consortium of California California Rockcress PH Brassicaceae 1 Windham & Al-Shehbaz Herbaria Boechera retrofracta Consortium of California Holboell Rock Cress PH Brassicaceae 1 (Graham) A. Löve & D. Löve Herbaria Boechera xylopoda Windam Consortium of California Desert Rock Cress PH Brassicaceae 4 & Al-Shehbaz Herbaria Bolboschoenus [Scirpus] Consortium of California robustus (Pursh) Soják, Čas. Seashore Bulrush PG Cyperaceae 3 Herbaria Nár. 8 Number of Scientific Name Common Name Habit Family Federal/State Status Occurrences in Source Ventura County Botrychium simplex E. Hitchc. Least Moonwort, Little Consortium of California var. simplex Grapefern PF Ophioglossaceae 1 Herbaria Consortium of California Boykinia occidentalis T. & G. Santa Lucia Brookfoam PH Saxifragaceae 4 Herbaria Consortium of California Herbaria; Tarja Sagar, Boykinia rotundifolia C. Parry Roundleaved Boykinia PH Saxifragaceae 4 NPS Bromus orcuttianus (Shear) A. Consortium of California Hitchc. Orcutt Brome PG Poaceae 3 Herbaria Bromus porteri (J.M. Coult.) Consortium of California Nodding Brome PG Poaceae 1 Nash