• Thumbnail for Toxicodendron diversilobum
    Toxicodendron diversilobum (syn. Rhus diversiloba), commonly named Pacific poison oak or western poison oak, is a woody vine or shrub in the sumac family...
    16 KB (1,580 words) - 23:41, 3 July 2024
  • Thumbnail for Toxicodendron
    Toxicodendron calcicolum, endemic to China Western poison oak (Toxicodendron diversilobum or Rhus diversiloba) is found throughout much of western North...
    15 KB (1,842 words) - 04:32, 29 June 2024
  • Thumbnail for Toxicodendron radicans
    oxalate crystals in Virginia creeper sap. Western poison oak (Toxicodendron diversilobum) leaflets also grow in threes on the end of a stem, but each leaflet...
    33 KB (3,865 words) - 03:48, 17 September 2024
  • to two plant species in the genus Toxicodendron, both of which can cause skin irritation: Toxicodendron diversilobum or Pacific poison oak, found in western...
    328 bytes (85 words) - 10:43, 16 October 2023
  • Thumbnail for Urushiol-induced contact dermatitis
    ep12285632. PMID 8980288. Hogan CM (2008). "Western poison-oak: Toxicodendron diversilobum". GlobalTwitcher. Archived from the original on 2009-07-21. Retrieved...
    19 KB (2,011 words) - 11:26, 14 August 2024
  • Thumbnail for Rhizome
    Michael (2008). Stromberg, Nicklas (ed.). "Western Poison-oak (Toxicodendron diversilobum)". GlobalTwitcher. Archived from the original on 21 July 2009...
    9 KB (972 words) - 04:04, 14 October 2024
  • Thumbnail for Poison ivy
    Poison ivy (category Toxicodendron)
    ivy) Toxicodendron pubescens (poison oak – eastern) Toxicodendron diversilobum (poison oak – western) Toxicodendron vernix (poison sumac) Toxicodendron vernicifluum...
    17 KB (1,738 words) - 01:58, 18 October 2024
  • Thumbnail for Bell's vireo
    Fremont cottonwood (Populus fremontii), and Western poison oak (Toxicodendron diversilobum) shrubs or vines as nesting locations. Bell's vireos make a well-camouflaged...
    7 KB (759 words) - 03:32, 19 August 2024
  • Thumbnail for Sumac
    (Toxicodendron radicans, syn. Rhus toxicodendron), poison oak (Toxicodendron diversilobum, syn. Rhus diversiloba), and poison sumac (Toxicodendron vernix...
    23 KB (2,352 words) - 14:39, 2 November 2024
  • Thumbnail for Edema
    2019. Hogan CM (2008). Strömberg N (ed.). "Western poison-oak: Toxicodendron diversilobum". GlobalTwitcher. Archived from the original on July 21, 2009...
    30 KB (3,283 words) - 16:40, 26 August 2024
  • Western poison-oak: Toxicodendron diversilobum, GlobalTwitcher, ed. Nicklas Stromberg "Western Poison-oak (Toxicodendron diversilobum ) - - GlobalTwitcher...
    10 KB (1,234 words) - 15:13, 8 October 2024
  • Thumbnail for Pileolaria brevipes
    the order Pucciniales. Pileolaria brevipes parasitizes Toxicodendron diversilobum and Toxicodendron radicans. The color of this rust comes from "its asexual...
    2 KB (194 words) - 18:25, 25 March 2024
  • Thumbnail for Black-tailed deer
    Game 77:201–209. Hogan, C. Michael (2008) Western poison-oak: Toxicodendron diversilobum Archived July 21, 2009, at the Wayback Machine, GlobalTwitcher...
    18 KB (2,277 words) - 23:16, 19 October 2024
  • Thumbnail for Northern California coastal forests
    sadleriana), dwarf Oregon-grape (Mahonia nervosa), and poison oak (Toxicodendron diversilobum) are typically found. Closed-cone conifer forests are found in...
    18 KB (1,644 words) - 06:18, 4 June 2024
  • Thumbnail for Urushiol
    Michael (2008). Stromberg, Nicklas (ed.). "Western poison-oak: Toxicodendron diversilobum". GlobalTwitcher. Archived from the original on 2009-07-21. Retrieved...
    19 KB (2,035 words) - 18:27, 17 September 2024
  • Thumbnail for Gaultheria shallon
    Michael (2008). Stromberg, Nicklas (ed.). "Western poison-oak: Toxicodendron diversilobum". GlobalTwitcher. Archived from the original on 21 July 2009....
    13 KB (1,543 words) - 02:34, 1 November 2024
  • Thumbnail for Gum (botany)
    October 2008). Nicklas Strömberg (ed.). "Western poison-oak: Toxicodendron diversilobum". GlobalTwitcher. Archived from the original on 21 July 2009....
    2 KB (154 words) - 19:00, 31 July 2024
  • Thumbnail for Pseudotsuga menziesii var. menziesii
    creeping snowberry (Symphoricarpos mollis), western poison-oak (Toxicodendron diversilobum), ceanothus (Ceanothus spp.), and manzanita (Arctostaphylos spp...
    28 KB (3,058 words) - 17:57, 15 October 2024
  • Thumbnail for Quercus garryana
    Symphoricarpos albus, Indian plum Oemleria cerasiformis, poison-oak Toxicodendron diversilobum, English holly Ilex aquifolium, bird cherry Prunus avens). Conversely...
    24 KB (2,544 words) - 22:37, 3 September 2024
  • the leaves, and feeding within. The larvae feed on poison oak (Toxicodendron diversilobum). Global Taxonomic Database of Gracillariidae (Lepidoptera) "Caloptilia...
    1 KB (87 words) - 08:42, 12 October 2023
  • Thumbnail for California coastal sage and chaparral
    Santa Susana Mountains, and the San Jose Hills; and poison oak (Toxicodendron diversilobum).: 387–388  Riparian woodlands up to 5,000 feet (1,500 m) are...
    18 KB (1,621 words) - 02:54, 26 October 2024
  • Thumbnail for Albany Hill
    californica), Coast Live Oak (Quercus agrifolia), Poison Oak (Toxicodendron diversilobum) Herbaceous Plants: California Goldenrod (Solidago velutina ssp...
    21 KB (2,456 words) - 06:24, 23 October 2024
  • Thumbnail for Fire ecology
    3389/fevo.2021.676961. C.Michael Hogan (2008) "Western poison-oak: Toxicodendron diversilobum" Archived July 21, 2009, at the Wayback Machine, GlobalTwitcher...
    64 KB (7,595 words) - 19:10, 31 October 2024
  • Thumbnail for Allergy
    PMID 33903033. Hogan CM (2008). Stromberg N (ed.). "Western poison-oak: Toxicodendron diversilobum". GlobalTwitcher. Archived from the original on 21 July 2009....
    108 KB (10,759 words) - 00:15, 19 October 2024
  • Thumbnail for Coastal sage scrub
    found are Bush monkeyflower (Mimulus aurantiacus), Poison oak (Toxicodendron diversilobum), Coffee berry (Frangula californica), Golden yarrow (Eriophyllum...
    10 KB (980 words) - 00:41, 12 August 2024
  • Thumbnail for Wrentit
    habitats. It nests in 1 metre (3 ft) high shrubs such as poison oak (Toxicodendron diversilobum), coyote bush (Baccharis pilularis) and California blackberry...
    10 KB (1,121 words) - 20:18, 1 July 2024
  • Thumbnail for Frangula californica
    trilobata), redberry (Rhamnus crocea), and western poison oak (Toxicodendron diversilobum). In brushy mountain habitat it grows among many species of manzanita...
    17 KB (1,456 words) - 20:17, 25 October 2024
  • Thumbnail for Holodiscus discolor
    plant community, common understory associate species include Toxicodendron diversilobum (Western poison-oak), Heteromeles arbutifolia (toyon), and Dryopteris...
    9 KB (806 words) - 19:16, 19 April 2024
  • Rhus: 170  Rhus aromatica (skunk bush: 171 ) Toxicodendron (poison oak,: 171  poison ivy: 171 ) Toxicodendron diversilobum (western poison oak: 171 ) Apiaceae...
    79 KB (5,607 words) - 15:49, 24 October 2024
  • Thumbnail for Simi Hills
    plummerae), and canyon sunflower (Encelia californica). poison oak (Toxicodendron diversilobum) is also an important member of the native plant habitat community...
    20 KB (2,085 words) - 01:52, 12 August 2024