Our mission is to meet our clients' ecological and regulatory challenges with practical, science-based solutions that foster environmentally sustainability and enable project success.

Certifications and Special Status Species Experience

 

Our highly trained ecologists and biologists hold various certifications and permits and have extensive experience with a wide variety of special status species.


Certifications and Special Status Species Permits

  • Endangered Species Act 10(a)(1)(A) U.S. Fish and Wildlife Service Recovery Permits and California Department of Fish and Wildlife Scientific Collecting Permits for:
    • Vernal pool branchiopods (Conservancy fairy shrimp, longhorn fairy shrimp, Riverside fairy shrimp, San Diego fairy shrimp, vernal pool fairy shrimp, and vernal pool tadpole shrimp)
    • California tiger salamander
    • Giant kangaroo rat
    • Tipton kangaroo rat
    • Fresno kangaroo rat
    • Short-nosed kangaroo rat
    • Fisher - West Coast Distinct Population Segment
  • Certified Arborist - International Society of Aboriculture
  • CDFW Plant Voucher Collecting Permit
  • Qualified Stormwater Pollution Prevention Plan (SWPPP) Developer (QSD) and Practitioner (QSP)
  • Certified Professional in Erosion and Sediment Control (CPESC)

 

Special Status (Endangered, Threatened, Protected, Special Concern, and Proposed) Animal Species Experience

Common Name (Scientific Name)

  • Vernal pool branchiopods (fairy shrimp) including Conservancy fairy shrimp (Branchinecta conservatio), vernal pool fairy shrimp (Branchinecta lynchi), and vernal pool tadpole shrimp (Lepidurus packardi)
  • Valley elderberry longhorn beetle (VELB) (Desmocerus californicus dimorphus)
  • San Bruno elfin butterfly (Callophrys mossii bayensis)
  • Bay checkerspot butterfly (Euphydryas editha bayensis)
  • Mission blue butterfly (Plebejus icariodes missionensis)
  • Callippe silverspot butterfly (Speyeria callippe callippe)
  • California tiger salamander (Ambystoma californiense)
  • Western spadefoot toad (Spea hammondii)
  • Foothill yellow-legged frog (Rana boylii)
  • California red-legged frog (Rana draytonii)
  • Western pond turtle (Emys marmorata)
  • Desert tortoise (Gopherus agassizii)
  • Blunt-nosed leopard lizard (Gambelia sila)
  • Alameda whipsnake (Masticophis lateralis euryxanthus)
  • San Francisco garter snake (Thamnophis sirtalis tetrataenia)
  • Giant garter snake (Thamnophis gigas)
  • California condor (Gymnogyps californianus)
  • Golden eagle (Aquila chrysaetos)
  • Swainson’s hawk (Buteo swainsoni)
  • Bald eagle (Haliaeetus leucocephalus)
  • Burrowing owl (Athene cunicularia)
  • Buena vista lake shrew (Sorex ornatus relictus)
  • Nelson’s (San Joaquin) antelope squirrel (Ammospermophilus nelsoni)
  • Giant kangaroo rat (Dipodomys ingens)
  • Short-nosed kangaroo rat (Dipodomys nitratoides brevinasus)
  • Salt-marsh harvest mouse (Reithrodontomys raviventris)
  • San Joaquin kit fox (Vulpes macrotis mutica)
  • Fisher - West Coast Distinct Population Segment (Pekania Pennanti)
  • American badger (Taxidea taxus)
  • Yuma mountain lion (Puma concolor browni)

 

Special Status (Endangered, Threatened, Rare) Plant Species Experience

Scientific Name, Common Name

  • Acanthomintha duttonii, San Mateo thorn mint
  • Acanthomintha lanceolata, Santa Clara thorn mint
  • Acmispon argophyllus var. adsurgens, San Clemente Island bird's-foot trefoil
  • Acmispon dendroideus var. traskiae, San Clemente Island lotus
  • Allium peninsulare var. franciscanum, San Francisco onion
  • Amorpha californica var. napensis, Napa false indigo
  • Amsinckia furcata, Forked fiddleneck
  • Amsinckia lunaris, Bentflower fiddleneck
  • Amsinckia vericosa var. furcata, Hoover forked fiddleneck
  • Androsace elongata ssp. acuta, California rockjasmine
  • Androstephium breviflorum, Pink funnel lily
  • Arabis blepharophylla, Coast rock cress
  • Arctostaphylos andersonii, Santa Cruz manzanita
  • Arctostaphylos confertiflora, Santa Rosa Island manzanita
  • Arctostaphylos franciscana, Franciscan manzanita
  • Arctostaphylos glandulosa ssp. crassifolia, Costa Baja manzanita
  • Arctostaphylos glandulosa ssp. gabrielensis, San Gabriel manzanita
  • Arctostaphylos glutinosa, Schreiber's manzanita
  • Arctostaphylos hookeri ssp. hookeri, Monterey manzanita
  • Arctostaphylos imbricata, San Bruno Mountain manzanita
  • Arctostaphylos montana ssp. montana, Mt. Tamalpais manzanita
  • Arctostaphylos montaraensis, Montara manzanita
  • Arctostaphylos morroensis, Morro manzanita
  • Arctostaphylos ohloneana, Ohlone manzanita
  • Arctostaphylos pajaroensis, Pajaro manzanita
  • Arctostaphylos pallida, Oakland hills manzanita
  • Arctostaphylos purissima, La Purissima manzanita
  • Arctostaphylos regismontana, Kings Mountain manzanita
  • Arctostaphylos rudis, Shagbark manzanita
  • Arctostaphylos silvicola, Silverleaf manzanita
  • Arctostaphylos virgata, Bolinas manzanita
  • Arenaria congesta var. wheelerensis, Wheeler's sandwort
  • Argyroxiphium sandwicense ssp. macrocephalum, Mauna Kea silversword
  • Artemisia mauiensis, Maui wormwood
  • Artemisia nesiotica, Island sagebrush
  • Aspidotis carlotta-halliae, Carlotta Hall's lace fern
  • Astragalus hornii var. hornii, Horn's milk vetch
  • Astragalus insularis var. harwoodii, Harwood's milkvetch
  • Astragalus macrodon, Salinas milkvetch
  • Astragalus magdalenae var. peirsonii, Peirsons locoweed
  • Astragalus miguelensis, San Miguel milkvetch
  • Astragalus nevinii, San Clemente Island milkvetch
  • Astragalus nuttallii var. nuttallii , Nuttall's milkvetch
  • Astragalus pycnostachyus var. pycnostachyus, Marsh milkvetch
  • Atriplex cordulata var. cordulata, Heartscale
  • Atriplex cordulata var. erecticaulis, Earlimart orache
  • Atriplex coronata var. coronata, Crownscale
  • Atriplex coulteri, Coulter's saltbush
  • Atriplex minuscula, lesser saltscale
  • Atriplex vallicola, Lost hills crownscale
  • Balsamorhiza macrolepis var. macrolepis, California balsamroot
  • Benitoa occidentalis, Benitoa
  • Bergerocactus emoryi, Golden spined cereus
  • Blennosperma nanum var. robustum, Point Reyes blennosperma
  • Blepharizonia plumosa, Big tarweed
  • Brodiaea insignis, Kaweah brodiaea
  • Brodiaea kinkiensis, San Clemente Island brodiaea
  • Calamagrostis ophiditis, Serpentine reedgrass
  • California macrophylla, Round-leaved filaree
  • Calochortus catalinae, Catalina Mariposa lily
  • Calochortus clavatus ┬ávar. clavatus, Clubhair Mariposa lily 
  • Calochortus obispoensis, San Luis Obispo Mariposa lily
  • Calochortus palmeri var. munzii, Munz's Mariposa lily
  • Calochortus palmeri var. palmeri, Palmer's Mariposa lily
  • Calochortus plummerae, Plummer's Mariposa lily
  • Calochortus pulchellus, Mount Diablo globelily
  • Calochortus simulans, San Luis Mariposa lily
  • Calochortus striatus, Alkali Mariposa lily
  • Calochortus umbellatus, Oakland Mariposa lily
  • Calochortus westonii, Shirley Meadows star tulip
  • Calycadenia hooveri, Hoover's calycadenia
  • Calyptridium pulchellum, Mariposa pussypaws
  • Calystegia peirsonii, Peirson's morning glory
  • Calystegia subacaulis ssp. episcopalis, Cambria morning glory
  • Camissonia guadalupensis ssp. clementina, San Clemente Island evening-primrose
  • Camissoniopsis hardhamiae, Hardham’s evening primrose
  • Campanula shetleri, Castle Crag's harebell
  • Carex obispoensis, San Luis Obispo sedge
  • Castela emoryi, Crucifixion thorn
  • Castilleja affinis ssp. neglecta, Tiburon Indian paintbrush
  • Castilleja ambigua ssp. ambigua, Johnny nip
  • Castilleja campestris ssp. succulenta, Succulent owl's clover
  • Castilleja densiflora ssp. obispoensis, Obispo indian paintbrush
  • Castilleja grisea, San Clemente Island Indian paintbrush
  • Castilleja hololeuca, Island white-felted paintbrush
  • Castilleja plagiotoma, Mojave Indian paintbrush
  • Caulanthus californicus, California jewelflower
  • Caulanthus lemmonii, Lemmon’s jewelflower
  • Ceanothus cuneatus var. fascicularis, Sedgeleaf buckbrush
  • Ceanothus ferrisae, Coyote ceanothus
  • Ceanothus gloriosus var. exaltatus, Point Reyes ceanothus
  • Ceanothus masonii, Mason's ceanothus
  • Ceanothus purpureus, Napa ceanothus
  • Ceanothus verrucosus, Barranca brush
  • Centromadia parryi ssp. congdonii, Congdon's tarplant
  • Centromadia parryi ssp. rudis, Pappose tarweed
  • Centromadia pungens ssp. laevis, Smooth tarplant
  • Chaenactis glabriuscula var. orcuttiana, Orcutt's yellow pincushion
  • Chamaesyce abramsiana, Abrams' sandmat
  • Chamaesyce vallis-mortae, Death Valley spurge
  • Chlorogalum purpureum var. purpureum, Purple amole
  • Chloropyron molle ssp. hispidum, Hispid bird's-beak
  • Chorizanthe breweri, Brewers spineflower
  • Chorizanthe pungens var. hartwegiana, Hartweg's spineflower
  • Chorizanthe rectispina, Prickly spineflower
  • Chorizanthe spinosa, Mojave spineflower
  • Chorizanthe xanti var. leucotheca, Riverside spineflower
  • Chylismia arenaria, Sand evening-primrose
  • Cirsium fontinale var. campylon, Mt Hamilton thistle
  • Cirsium fontinale var. fontinale, Fountain thistle
  • Clarkia biloba ssp. australis, Mariposa clarkia
  • Clarkia speciosa ssp. immaculata, Pismo clarkia
  • Clarkia springvillensis, Springville clarkia
  • Clarkia tembloriensis ssp. calientensis, Vasek's clarkia
  • Clarkia xantiana ssp. parviflora, Kern Canyon clarkia
  • Collinsia multicolor, San Francisco blue eyed Mary
  • Colubrina californica, Las Animas nakedwood
  • Constancea nevinii, Nevin's woolly sunflower
  • Convolvulus simulans, Small flowered morning glory
  • Coryphantha alversonii, Foxtail cactus
  • Crossosoma californicum, California rockflower
  • Croton wigginsii, Wiggins' croton, 
  • Cryptantha costata, Ribbed cryptantha
  • Cryptantha traskiae, Trask's cryptantha
  • Cupressus abramsiana, Santa Cruz cypress
  • Cupressus goveniana ssp. pygmaea, Pygmy cypress
  • Cylindropuntia chuckwallensis, Chuckwalla cholla
  • Cylindropuntia munzii, Munz's cholla
  • Cymopterus deserticola, Desert springparsley
  • Cymopterus multinervatus, Purplenerve springparsley
  • Cynanchum utahense, Utah vine milkweed
  • Cypripedium montanum, Mountain lady’s slipper
  • Darlingtonia californica, California pitcherplant
  • Deinandra arida, Red Rock tarplant
  • Deinandra bacigalupii, Livermore moonshine
  • Deinandra clementina, Island tarplant
  • Deinandra halliana, Hall’s tarplant
  • Delphinium californicum ssp. interius, California larkspur
  • Delphinium gypsophilum ssp. gypsophilum, Pinoche Creek larkspur
  • Delphinium recurvatum, Recurved larkspur
  • Dichondra occidentalis, Western ponysfoot
  • Dirca occidentalis, Western leatherwood
  • Downingia pusilla, Dwarf downingia
  • Dudleya abramsii ssp. bettinae, San Luis Obispo serpentine dudleya 
  • Dudleya blockmaniae ssp. blochmaniae, Blockmans dudleya
  • Dudleya calcicola, Limestone dudleya
  • Dudleya greenei, Greene's liveforever
  • Dudleya setchellii, Santa Clara Valley dudleya
  • Dudleya virens ssp. Virens, Bright green dudleya
  • Elymus californicus, California bottlebrush grass
  • Eremalche parryi ssp. kernensis, Kern mallow
  • Eriastrum harwoodii, Harwood's eriastrum
  • Eriastrum hooveri, Hoover's woollystar
  • Eriastrum tracyi, Tracy's eriastrum
  • Eriastrum virgatum, Wand woollystar
  • Erigeron blochmaniae, Blochman's erigeron
  • Erigeron petrophilus var. viscidulus, Rockloving erigeron
  • Eriogonum callistum, Tehachapi buckwheat
  • Eriogonum giganteum var. formosum, San Clemente Island buckwheat
  • Eriogonum gossypinum, Cottony buckwheat
  • Eriogonum luteolum var. caninum, Tiburon buckwheat
  • Eriogonum nudum var. decurrens, Ben Lomond buckwheat
  • Eriogonum nudum var. indictum, Protruding buckwheat
  • Eriogonum pyrolifolium var. pyrolifolium, Shasta buckwheat
  • Eriogonum vestitum, Idria buckwheat
  • Eriophyllum mohavense, Mojave woolly sunflower
  • Eryngium spinosepalum, Spiny-sepaled button celery
  • Erysimum franciscanum, San Francisco wallflower
  • Erysimum suffrutescens, Suffrutescent wallflower
  • Erysimum teretifolium, Santa Cruz wallflower
  • Eschscholzia hypechoides, San Benito poppy
  • Eschscholzia lemmonii ssp. kernensis, Tejon poppy
  • Eschscholzia ramosa, Channel Island poppy
  • Frasera neglecta, Pine green-gentian
  • Fritillaria agrestis, Stinkbells
  • Fritillaria liliacea, Fragrant fritillary
  • Fritillaria pinetorum, Pinewoods fritillary
  • Fritillaria striata, Striped abobe lily
  • Funastrum utahense, Utah vine milkweed
  • Galium catalinense ssp. acrispum, Santa Clemente Island bedstraw
  • Galium grande, San Gabriel bedstraw
  • Galvezia speciosa, Showy island snapdragon
  • Harmonia nutans, Nodding harmonia
  • Hazardia cana, San Clemente Island hazardia
  • Helianthella castanea, Mt. Diablo helianthella
  • Helianthus niveus ssp. tephrodes, Algodones sunflower
  • Hesperocyparis abramsiana var. abramsiana, Santa cruz cypress
  • Hesperolinon breweri, Brewer's dwarf flax
  • Hesperolinon congestum, Marin western flax
  • Hordeum intercedens, Bobtail barley
  • Horkelia marinensis, Point Reyes horkelia
  • Hosackia gracilis, Harlequin lotus
  • Hulsea vestita ssp. gabrielensis, San Gabriel Mtns. sunflower
  • Ivesia aperta var. canina, Sierra Valley mousetail
  • Ivesia longibracteata, Castle Crags ivesia
  • Ivesia webberi, Wire mousetail
  • Juncus hemiendytus var. abjectus, Herman's dwarf rush
  • Lasthenia californica ssp. macrantha, Perennial goldfields
  • Lasthenia conjugens, Contra Costa goldfields
  • Lasthenia glabrata ssp. coulteri, Coulter's goldfields
  • Lavatera assurgentiflora ssp. assurgentiflora, Island mallow
  • Lavatera assurgentiflora ssp. glabra, Southern island mallow
  • Layia carnosa, Beach tidytips
  • Layia leucopappa, Comanche Point tidytips
  • Layia munzii, Munz’s tidy-tips 
  • Lepidium jaredii ssp. album, Panoche pepper grass
  • Leptosiphon ambiguus, Serpentine leptosiphon
  • Leptosiphon croceus, Coast yellow leptosiphon
  • Leptosiphon serrulatus, Madera linanthus  
  • Lessingia arachnoidea, Crystal Springs lessingia
  • Lessingia micradenia var. glabrata, Smooth lessingia
  • Lewisia cotyledon var. heckneri, Heckner's lewisia
  • Lilaeopsis masonii, Mudflat quillplant
  • Lilium humboldtii ssp. ocellatum, Humboldt's lily
  • Lilium pardalinum ssp. wigginsii, Wiggins' lily
  • Limnanthes douglasii ssp. sulphurea, Douglas' meadowfoam
  • Limnanthes macounii, Macoun's meadowfoam
  • Linanthus concinnus, San Gabriel linanthus
  • Lomatium parvifolium, Small-leaved lomatium
  • Lotus argophyllus var. adsurgens, San Clemente Island bird's-foot trefoil
  • Lotus dendroideus var. veatchii, San Miguel Island deerweed
  • Lotus formosissimus, Harlequin lotus
  • Lupinus citrinus ssp. citrinus, Orange lupine
  • Lupinus guadalupensis, Guadalupe Island lupine
  • Lyonothamnus floribundus ssp. aspleniifolius, Santa Cruz Island ironwood
  • Madia nutans, Nodding harmonia
  • Madia radiata, Golden madia
  • Malacothamnus aboriginum, Gray bushmallow
  • Malacothamnus arcuatus, Arcuate bush mallow
  • Malacothamnus clementinus, San Clemente Island bushmallow
  • Malacothamnus hallii, Hall's bush mallow
  • Malacothrix foliosa ssp. foliosa, Leafy desertdandelion
  • Malacothrix incana, Dunedelion
  • Malperia tenuis, Brownturbans
  • Malva assurgentiflora, Island mallow
  • Microseris paludosa, Marsh silverpuffs
  • Microseris sylvatica, Sylvan scorzonella
  • Mimulus filicaulis, Slenderstem monkeyflower
  • Mimulus flemingii, Island bush monkeyflower
  • Mimulus inconspicuus, Smallflower monkeyflower
  • Mimulus pictus, Calico monkeyflower
  • Mimulus pulchellus, Yellowlip pansy monkeyflower
  • Monolopia congdonii, San Joaquin woollythreads
  • Monolopia gracilens, Woodland monolopia
  • Mucronea californica, California spineflower
  • Munzothamnus blairii, Blair's wirelettuce
  • Myrica hartwegii, Sierra sweet bay
  • Navarettia nigelliformis ssp. radians, Prostrate navarretia
  • Navarretia setiloba, Paiute Mountain pincushionplant
  • Neviusia cliftonii, Shasta snow wreath
  • Opuntia basilaris var. brachyclada, Beavertail pricklypear
  • Opuntia basilaris var. treleasei, Trelease's beavertail pricklypear
  • Orcuttia inaequalis, San Joaquin Valley Orcutt grass
  • Orcuttia pilosa, Hairy orcutt grass
  • Penstemon albomarginatus, Whitemargin beardtongue
  • Penstemon californicus, California penstemon
  • Perideridia gairdneri ssp. gairdneri, Gairdner's yampah
  • Perideridia pringlei, Adobe yampah
  • Phacelia floribunda, Southern island phacelia
  • Phacelia mohavensis, Mojave phacelia
  • Phacelia nashiana, Charlotte's phacelia
  • Pilostyles thurberi, Thurber's stemsucker
  • Pinus contorta ssp. bolanderi, Bolander pine
  • Pinus torreyana ssp. torreyana, Torrey pine
  • Plagiobothrys chorisianus var. chorisianus, Artist's popcornflower
  • Potentilla hickmanii, Hickman's cinquefoil
  • Primula parryi, Parry's primrose
  • Proboscidea althaeifolia, Desert unicorn plant
  • Pseudobahia bahiifolia, Hartweg's golden sunburst
  • Psorothamnus arborescens var. arborescens, Mojave indigobush
  • Quercus durata var. gabrielensis, San Gabriel Mtns. leather oak
  • Sagittaria sanfordii, Sanford’s arrowhead
  • Sanicula maritime, Adobe sanicle
  • Santalum haleakalae, Lanai sandalwood
  • Sclerocactus polyancistrus, Redspined fishhook cactus
  • Scrophularia villosa, Santa Catalina figwort
  • Senecio aphanactis, Chaparral ragwort
  • Senecio blochmaniae, Dune ragwort
  • Sequoiadendron giganteum, Giant sequoia
  • Sibara filifolia, Santa Cruz Island winged rockcress
  • Sidalcea keckii, Keck’s checkerbloom
  • Sidalcea malviflora ssp. purpurea, Dwarf checkerbloom
  • Silene marmorensis, Marble Mountain catchfly
  • Smilax jamesii, English Peak greenbrier
  • Streptanthus albidus ssp. peramoenus, Most beautiful jewelflower
  • Streptanthus farnsworthianus, Farnsworth's jewelflower
  • Streptanthus niger, Tiburon jewel-flower
  • Stylocline citroleum, Oil nest straw
  • Toxicoscordon fontanum, Marsh zigadenus
  • Trichostema ovatum, San Joaquin bluecurls
  • Trifolium amoenum, Showy Indian clover
  • Tuctoria greenei, Greene’s tuctoria