Carnegiea gigantea, Giant Saguaro

Southwest Desert Flora

Home to the plants of the Sonoran, Chihuahuan and Mojave Deserts

Cirsium ochrocentrum, Yellowspine Thistle

September 15, 2017 - Update species

  • update Carphochaete bigelovii, Bigelow's Bristlehead
  • update Centaurea melitensis, Maltese Star-thistle
  • updated Calycoseris wrightii, White Tackstem (09/15/2017)
  • updated Calycoseris parryi, Yellow Tackstem (09/15/2017)
  • updated Brickellia californica, California Brickellbush (09/12/2017)
  • updated Brickellia coulteri, Coulter's Brickellbush (09/13/2017)
  • updated Brickellia floribunda, Chihuahuan Brickellbush (09/13/2017)
  • updated Brickellia venosa, Veiny Brickellbush (09/15/2017)
  • updated Bidens bigelovii, Bigelow's Beggarticks (09/11/2017)
  • updated Bidens leptocephala, Fewflower Beggarticks (09/11/2017)
  • updated Berlandiera lyrata, Lyreleaf Greeneyes (09/09/2017)
  • updated Bebbia juncea, Sweetbush Bebbia (09/08/2017)
  • updated Anaphalis margaritacea, Western Pearly Everlasting (09/05/2017)
  • updated Agoseris glauca, Pale Agoseris (09/05/2017)
  • updated Agoseris heterophylla, Annual Agoseris (09/05/2017)
  • updated Ageratina herbacea, Fragrant Snakeroot (09/04/2017)
  • updated Adenophyllum porophylloides, San Felipe Dogweed (09/03/2017)
  • updated Acourtia wrightii, Brownfoot (09/02/2017)
  • updated Acourtia thurberi, Thurber's Desertpeony (09/01/2017)
  • updated Acourtia nana, Dwarf Desertpeony (08/31/2017)
  • updated Achillea millefolium, Common Yarrow (08/30/2017)
  • updated Acamptopappus sphaerocephalus, Rayless Goldenhead (08/23/2017)

    August 22, 2017 - Added new species

  • added Cylindropuntia ganderi, Gander's Buckhorn Cholla (08/22/2017)
  • added Mammillaria grahamii, Graham's Nipple Cactus (08/16/2017)

    • August 13, 2017 - Next updated Family Cactaceae and update cacti species

  • updated Carnegiea gigantea, Saguaro (07/24/2017)
  • updated Cylindropuntia acanthocarpa, Buckhorn Cholla (07/24/2017)
  • updated Cylindropuntia arbuscula, Arizona Pencil Cholla (07/24/2017)
  • updated Cylindropuntia bigelovii, Teddy Bear Cholla (07/25/2017)
  • updated Cylindropuntia kleiniae, Klein's Pencil Cactus (08/22/2017)
  • updated Cylindropuntia leptocaulis, Christmas Cactus (07/25/2017)
  • updated Cylindropuntia spinosior, Walkingstick Cactus (07/26/2017)
  • updated Echinocereus bonkerae, Pinkflower Hedgehog Cactus (07/26/2017)
  • updated Echinocereus coccineus, Scarlet Hedgehog Cactus (07/27/2017)
  • updated Echinocereus engelmannii, Hedgehog Cactus (07/27/2017)
  • updated Echinocereus fasciculatus, Pinkflower Hedgehog Cactus (07/27/2017)
  • updated Echinocereus rigidissimus, Rainbow Hedgehog Cactus (07/28/2017)
  • updated Ferocactus cylindraceus, California Barrel Cactus (07/29/2017)
  • updated Ferocactus wislizeni, Candy Barrelcactus (07/30/2017)
  • updated Opuntia basilaris, Beavertail Pricklypear (07/30/2017)
  • updated Opuntia engelmannii, Cactus Apple (08/02/2017)
  • updated Opuntia macrocentra, Long-spined Prickly Pear (08/07/2017)
  • updated Opuntia macrorhiza, Twistspine Pricklypear (08/07/2017)
  • updated Opuntia phaeacantha, Tulip Pricklypear (08/09/2017)
  • updated Opuntia santa-rita, Santa Rita Pricklypear (08/09/2017)
  • updated Peniocereus johnstonii, Matraca, Pitayita, Saramatraca (08/13/2017)

    • July 24, 2017 - Next update genus Phacelia

  • updated Phacelia campanularia, Desert Bluebells (07/24/2017)
  • updated Phacelia crenulata, Cleftleaf Wildheliotrope (07/24/2017)
  • updated Phacelia distans, Distant Phacelia (07/24/2017)
  • updated Phacelia fremontii, Fremont's Phacelia (07/24/2017)
  • updated Phacelia heterophylla, Varileaf Phacelia (07/24/2017)
  • updated Phacelia magellanica, Kaweah River Scorpion-weed (07/24/2017)
  • updated Phacelia tanacetifolia, Lacy Phacelia (07/24/2017)

    • July 23, 2017 - added new species

  • added; Phacelia fremontii, Fremont's Phacelia (07/23/2017)

  • July 21, 2017

  • updated Cupressaceae, Cypress Family (06/12/2017)
  • Next
  • added Hesperocyparis (=*Cupressus) arizonica, Arizona Cypress (06/24/2017)
  • added Juniperus californica, California Juniper (06/25/2017)
  • added Juniperus coahuilensis, Redberry Juniper (07/12/2017)
  • added Juniperus deppeana, Alligator Juniper (07/17/2017)
  • added Juniperus monosperma, Oneseed Juniper (07/19/2017)
  • added Juniperus osteosperma, Utah Juniper (07/21/2017)

    • June 07, 2017

  • updated Platanus wrightii, Arizona Sycamore Tree (06/07/2017)
  • updated Populus fremontii, Fremont Cottonwood (06/07/2017)
  • updated Salix gooddingii, Goodding's Willow (06/07/2017)

    • June 06, 2017

  • added new family - Junglandaceae or Walnut Family (06/05/2017)
  • added Juglans major, Arizona Walnut Tree (06/06/2017)

    May 31, 2017

  • added Thelypodiopsis ambigua, Long Valley Tumblemustard (05/31/2017)
  • updated Acanthaceae, Acanthus Family (05/31/2017)

    • May 24, 2017 - updated Rhamnaceae or Buckthorn Family

  • added Colubrina californica, Las Animas Nakedwood (05/24/2017)

    • May 24, 2017 - updated Asteraceae, Sunflower Family; added/updated species

  • added Helianthus niveus, Showy Sunflower (05/24/2017)
  • updated Helianthus annuus, Common Sunflower (05/24/2017)
  • updated Helianthus petiolaris, Prairie Sunflower (05/24/2017)
  • added Ericameria linearifolia, Narrowleaf Goldenbush (05/23/2017)
  • updated Ericameria laricifolia, Turpentine Bush (05/23/2017)
  • updated Ericameria nauseosa, Rubber Rabbitbrush (05/23/2017)
  • updated Hymenopappus filifolius, Fineleaf Hymenopappus (05/18/2017)
  • updated Senecio flaccidus var. flaccidus, Threadleaf Ragwort (05/08/2017)
  • updated Senecio flaccidus var. monoensis, Smooth Threadleaf Ragwort (05/08/2017)
  • updated Senecio lemmonii, Lemmon's Ragwort (05/08/2017)
  • added Senecio vulgaris, Common Groundsel (05/08/2017)

    • April 28, 2017 - updated Anacardiaceae Family; added/updated species

  • added Rhus kearneyi, Kearney's Sumac ( 05/04/2017)
  • added Rhus microphylla, Littleleaf Sumac (05/04/2017)
  • added Toxicodendron rydbergii, Western Poison Ivy (05/05/2017)
  • updated Rhus ovata, Sugar Sumac (04/28/2017)
  • updated Rhus trilobata var. trilobata, Skunkbush Sumac (05/01/2017)

    • April 22, 2017 - added and updated species

  • added Psathyrotes ramosissima, Velvet Turtleback (04/22/2017)
  • updated Eriophyllum lanosum, White Woolly Daisy (04/22/2017)
  • updated Eriophyllum pringlei, Pringle's Wooly Sunflower (04/19/2017)
  • added Eriophyllum wallacei, Wallace Eriophyllum (04/19/2017)
  • added Malacothrix glabrata, Smooth Desertdandelion ( 04/18/2017)

    • April 15, 2017 - updated Onagraceae Family and added species

  • added Eremothera boothii, Woody Bottle-Washer (04/16/2017)

    • April 14, 2017 - updated Malvaceae Family and added species

  • added Eremalche exilis, White Mallow (04/15/2017)

    • April 12, 2017 - updated Loasaceae Family and added species

  • added Mentzelia veatchiana, Veatch's Blazingstar (04/13/2017)
  • updated Mentzelia albicaulis, Whitestem Blazingstar (04/14/2017)
  • updated Mentzelia multiflora, Adonis Blazingstar (04/14/2017)

    • April 12, 2017 - added species to Fabaceae Family and added species

  • added Hoffmannseggia glauca, Indian Rushpea (04/12/2017)
  • added Hoffmannseggia microphylla, Wand Holdback (04/12/2017)

    • April 09, 2017 - updated Chenopodiaceae Family and added species

  • added Atriplex canescens, Four-wing Salt Bush (04/09/2017)
  • added Monolepis nuttalliana, Nuttall's Povertyweed (04/12/2017)
  • updated; Salsola tragus, Prickly Russian Thistle (04/10/2017)

    • April 08, 2017 - updated Capperaceae Family and added species

  • added Cleome isomeris (=Peritoma arborea), Bladderpod Spiderflower

    • April 07, 2017 - updated Brassicaceae Family and added species

  • added; Dimorphocarpa wislizeni, Spectaclepod (04/07/2017)

    • April 05, 2017 - additional Asteraceae

  • added; Encelia frutescens, Button Brittlebush (04/03/2017)
  • added; Encelia virginensis, Virgin River Brittlebush (04/03/2017)
  • added; Trichoptilium incisum, Yellowdome (04/05/2017)
  • updated; Encelia farinosa, Brittlebush (04/03/2017)
  • updated; Baileya multiradiata, Desert Marigold (04/05/2017)
  • updated; Baileya pleniradiata, Woolly Desert Marigold (04/05/2017)

    • February 27, 2017 - updated Liliaceae Family and added species

  • added; Dichelostemma capitatum, Bluedicks
  • added; Echeandia flavescens, Torrey's Craglily
  • added; Hesperocallis undulata, Desert Lily
  • added; Milla biflora, Mexican Star

    • February 27, 2017 - updated Hydrophyllaceae Family and added species

  • added; Eucrypta micrantha, Dainty Desert Hideseed

    • February 23, 2017 - updated Malvaceae Family and added species

  • added; Allowissadula holosericea, Chisos Mtn False Indianmallow
  • added; Eremalche rotundifolia, Desert Fivespot
  • added; Pavonia lasiopetala, Rock Rose

    • February 18, 2017 - updated Onagraceae Family and added species

  • added; Chylismia brevipes, Yellow Cups
  • added; Tetrapteron palmeri, Palmer Evening Primrose
  • updated; Chylismia claviformis, Browneyes
  • updated; Camissonia micrantha, Miniature Suncup

    • February 14, 2017 - updated Fabaceae Family and added species

  • added; Psorothamnus schottii, Schott's Dalea
  • updated; Psorothamnus spinosus, Smoketree

    • February 13, 2017 - additional Boraginaceae

  • added; Cryptantha ganderi, Gander's Cryptantha
  • added; Cryptantha micrantha, Redroot Cryptantha
  • updated; Cryptantha gracilis, Narrowstem Cryptantha
  • updated; Cryptantha pterocarya, Wingnut Cryptantha

    • January 12, 2017 - Finalized Agavaceae

  • added; Dasylirion wheeleri, Sotol
  • added; Nolina bigelovii, Bigelow's Beargrass
  • added; Nolina microcarpa, Beargrass
  • added; Yucca baccata, Banana yucca
  • added; Yucca brevifolia, Joshua Tree
  • added; Yucca elata, Soaptree Yucca

    • January 12, 2017 - Genus Ambrosia updated

  • updated; Ambrosia ambrosioides, Canyon Ragweed (01/12/2017)
  • updated; Ambrosia deltoidea, Triangle-leaf Bursage (01/12/2017)
  • updated; Ambrosia dumosa, White Bursage (01/12/2017)
  • updated; Ambrosia eriocentra, Woolly Bursage (01/12/2017)
  • updated; Ambrosia monogyra, Singlewhorl Burrobrush (01/12/2017)
  • updated; Ambrosia salsola, Cheesebush (01/12/2017)