UC Davis Natural Reserve System - McLaughlin Reserve
  KEY TO PLANT SPECIES LIST
Serpentine communities
SMC Serpentine Mixed chaparral
SCC Serpentine cypress chaparral
SG Serpentine grassland
SRS Serpentine riparian/seeps
   
Non-serpentine communities
BOW Blue oak woodland
MOW Mixed oak woodland
RW Riparian woodland
NSMC Nonserpentine mixed chaparral
CC Chamise chaparral
NSG Nonserpentine grassland
VP Vernal pool
   
Other
RD Revegetated and/or disturbed areas
* Exotic Species
F More common after fire
R/S Rare or sensitive taxon
PLANT SPECIES OF THE GREATER KNOXVILLE AREA
Including the drainages of Knoxville, Hunting, and Davis Creeks
(Based on D'Appolonia Report and work by Joe Callizo (with Glen Clifton))
Annotated by Joe Callizo
EQUISETOPHYTA LOASACEAE
EQUISETACEAE Mentzelia dispersa CC, F
Equisetum laevigatum RW Mentzelia laevicaulis RW
Equisetum telmateia LYTHRACEAE
      ssp. braunii RW Lythrum hyssopifolia* NSG, VP
MALVACEAE
POLYPODIOPHYTA Malacothamnus fremontii RW, F, R/S
PTERIDACEAE Sidalcea diploscypha NSG, SG
Adiantum jordani NSMC, SMC OLEACEAE
Aspidotis densa SMC Fraxinus dipetala SMC
Cheilanthes intertexta SMC Fraxinus latifolia RW
Pellaea andromedifolia SMC ONAGRACEAE
Pellaea mucronata SMC Camissonia graciliflora NSG
Pentagramma triangularis SMC Camissonia hirtella CC, SMC
POLYPODIACEAE Camissonia intermedia CC, F
Polypodium californicum SMC Camissonia ovata SG
Clarkia affinis BOW
PINOPHYTA Clarkia amoena RD
CUPRESSACEAE Clarkia concinna BOW,RD, SMC
Cupressus macnabiana (e) SMC, SCC Clarkia gracilis ssp. gracilis NSG, SG
Cupressus sargentii (e) SMC, SRS, SCC Clarkia gracilis ssp. tracyi SMC, SG
Juniperus californica SMC, MOW Clarkia purpurea
PINACEAE       ssp. purpurea NSG, SG
Pinus ponderosa RW, MOW Clarkia purpurea
Pinus sabiniana BOW, NSMC, SMC       ssp. quadrivulnera BOW, NSG
TAXACEAE Clarkia rhomboidea NSMC
Torreya californica RW, MOW Clarkia unguiculata BOW, NSMC
Epilobium brachycarpum NSG, SG, BOW, NSMC, SMC
DICOTYLEDONS Epilobium canum RW
ACERACEAE Epilobium ciliatum
Acer macrophyllum RW       ssp. ciliatum SRS
AMARANTHACEAE Epilobium densiflorum SRS
Amaranthus californicus RW Epilobium minutum CC, SMC, F
ANACARDIACEAE Epilobium pygmaeum VP
Rhus trilobata RW Epilobium torreyi VP
Toxicodendron diversilobum BOW, NSMC, CC, SMC OROBANCHACEAE
APIACEAE Orobanche bulbosa CC
Angelica tomentosa RW, SRS Orobanche fasciculata SCC, SMC
Anthriscus caucalis* NSG Orobanche valida
Apiastrum angustifolium BOW, SMC       ssp. howellii SCC, SMC, R/S
Daucus pusillus BOW, NSG, NSMC, RW Orobanche uniflora CC
Lomatium californicum NSMC PAPAVERACEAE
Lomatium ciliolatum Dicentra chrysantha CC, F
      var. hooveri BOW, NSG, SMC, R/S, SG Eschscholzia caespitosa RD
Lomatium dasycarpum NSMC, NSG, SG, SMC Eschscholzia californica NSG, SMC, RD
Lomatium macrocarpum BOW, NSG, SG Platystemon californicus NSG
Lomatium marginatum BOW, NSMC, CC, SMC PLANTAGINACEAE
Lomatium utriculatum NSG, SG Plantago erecta BOW, NSMC, NSG, SG
Perideridia kelloggii SMC, NSG POLEMONIACEAE
Sanicula bipinnata BOW Allophyllum divaricatum NSMC, CC, F
Sanicula bipinnatifida NSG Allophyllum gilioides BOW, NSG
Sanicula crassicaulis BOW, SMC, NSG Collomia diversifolia SMC, R/S
Sanicula tuberosa BOW, NSG, SMC Gilia capitata ssp. capitata
Scandix pecten-veneris* BOW     ssp. capitata SMC, NSMC
Torilis arvensis* NSG Gilia sinistra ssp. pinnatisecta
Torilis nodosa* BOW, NSG      ssp. pinnatisecta SMC, SRS
Yabea microcarpa BOW, NSG Gilia tricolor NSG, SG
APOCYNACEAE Linanthus bicolor BOW, NSG, SG, SMC
Apocynum cannabinum RW Linanthus ciliatus BOW, NSG, NSMC
ASCLEPIADACEAE Linanthus dichotomus SCC, SMC
Asclepias cordifolia BOW Linanthus jepsonii SG, NSG
Asclepias eriocarpa SMC, SRS, NSG Linanthus latisectus SG, SMC
Asclepias fascicularis SRS, RW Linanthus parviflorus SG, SMC
Asclepias solanoana  SMC, R/S Linanthus pygmaeus
ASTERACEAE      ssp. continentalis NSG, SMC
Achillea millefolium NSMC, NSG, SMC Navarretia cotulifolia
Achyrachaena mollis NSG, SG Navarretia jepsonii BOW, NSG, SG, R/S
Agoseris grandiflora BOW, CC, NOW, NSG Navarretia leucocephala VP
Agoseris heterophylla NSG, SG Navarretia mellita NSMC, CC, F
Agoseris retrorsa BOW Navarretia pubescens BOW, NSG
Anaphallis margaritacea RD Navarretia squarrosa SMC
Ancistrocarphus filagineus NSG, SG Phlox gracilis SG, NSG
Artemisia douglasiana RW, SRS POLYGALACEAE
Aster radulinus SMC Polygala californica SCC
Baccharis pilularis NSMC, RD POLYGONACEAE
Balsamorhiza macrolepis SMC, R/S Chorizanthe membranacea NSG, SMC, SG
Brickellia californica SMC, RD, RW Chorizanthe polygonoides SCC, SMC
Calycadenia multiglandulosa SG Erigonum dasyanthemum SMC
Calycadenia pauciflora  SG, SMC Erigonum nervulosum SMC
Carduus pycnocephalus* BOW, NSG, RD Eriogonum nudum NSG, SG, SMC
Centaurea calcitrapa* NSG, RD Eriogonum tripodum SMC
Centaurea melitensis* BOW, CC, NSG, RD Erigonum vimineum NSG, SMC
Centaurea solstitialis* RW, NSG, SG, RD Polygonum arenastrum*
Chaenactis glabriuscula Polygonum californicum NSG
      var. heterocarpha SMC Pterostegia drymioides BOW, NSMC
Chamomilla suaveolens* RD Rumex crispus* NSG, CC, RD
Cirsium cymosum SMC Rumex pulcher* RW, RSG
Cirsium douglasii Rumex salicifolius
      var. breweri SRS PORTULACACEAE
Cirsium occidentale BOW, SMC Calandrinia breweri NSMC, CC, F
      var. venustum Calandrinia ciliata NSG, SMC, RD
Cirsium vulgare* RD, NSG Calyptridium quadripetalum SMC, F, R/S
Conyza canadensis* RD Claytonia exigua  SMC
Erigeron reductus Claytonia gypsophiloides SMC
      var. angustatus SMC Claytonia parviflora
Eriophyllum lanatum       ssp. parviflora SG, BOW
      var. achillaeaoides NSMC, CC, SMC, RD Lewisia rediviva SMC
Euthamia occidentalis NSG, SMC PRIMULACEAE
Filago californica BOW, CC, NSG, SMC Anagallis arvensis* NSG, SRS, RD, SG, RW
Filago gallica* NSG, SG, R/S Centunculus minimus VP
Gnaphalium canescens Dodecatheon hendersonii NSMC, NSG, BOW
      ssp. beneolens SMC, SRS RANUNCULACEAE
Gnaphalium californicum CC Aquilegia eximia SRS
Gnaphalium stramineum CC, SRS, RD Clematis lasiantha NSMC, SMC
Gnaphalium palustre VP Clematis ligusticifolia RW, SRS
Grindelia camporum Delphinium hesperium
     var. camporum SG, NSG       ssp. hesperium BOW, NSG,RD
Grindelia hirsutula NSG, SMC Delphinium hesperium
Helenium bigelovii SRS       ssp. pallescens BOW, NSMC, NSG, SG
Helianthella californica NSMC Delphinium nudicaule NSMC, RW
Helianthus exilis   SRS Delphinium uliginosum SRS, SG, R/S
Helianthus gracilentus F, SMC Delphinium variegatum NSG, SG, BOW
Hemizonia congesta Ranunculus aquatilus
      ssp. clevelandii NSG, SMC       var. capillaceus
Hemizonia congesta Ranunculus californicus SRS, BOW, NSG, SG
     spp. congesta SG Ranunculus hebecarpus BOW
Hemizonia congesta Ranunculus occidentalis NSG, RD, SG, BOW
      spp. luzulifolia SG, NSG Thalictrum fendleri    
Hesperevax sparsiflora SG       var. polycarpum NSG
Hieracium albiflorum NSG, NSMC RHAMNACEAE
Holocarpha virgata NSG, SG Ceanothus cuneatus NSMC, SMC
Hypochaeris glabra* NSG, SG, RD Ceanothus integerrimus SMC
Hypochaeris radicata* F, RD Ceanothus jepsonii
Lactuca saligna* NSMC, NSG, RD, SG       var. albiflorus SMC
Lactuca serriola* BOW, NSMC, NSG, RD Ceanothus oliganthus
Lagophylla minor SG, SMC, R/S       var. sorediatus BOW, NSMC
Lagophylla ramosissima BOW Rhamnus californica
      ssp. congesta       ssp. californica NSMC, SMC
Lagophylla ramosissima BOW Rhamnus illicifolia RW, SRS
      ssp. ramosissima Rhamnus tomentella
Lasthenia californica  BOW, NSG, RD, SG       ssp. tomentella SMC, SRS
Layia platyglossa NSG, SG ROSACEAE
Layia septentrionalis NSG, R/S Adenostoma fasciculatum NSMC, SCC, CC, SMC
Lessingia ramulosa SMC, SG Aphanes occidentalis NSG
Madia citriodora SMC Cercocarpus betuloides
Madia elegans ssp. vernalis BOW       var. betuloides BOW, CC, NSMC
Madia exigua SMC, SCC Heteromeles arbutifolia NSMC, SMC
Madia gracilis NSMC, RW Holodiscus discolor NSMC, BOW, RW
Madia hallii SMC, R/S Horkelia californica ssp. dissita SRS
Malacothrix floccifera SMC, F Potentilla glandulosa NSMC
Malacothrix clevelandii SMC, CC, F Rosa californica RW
Micropus californicus SMC, NSMC, SG, NSG Rosa canina* RD
Microseris douglasii NSG, SMC Rubus discolor* RD, RW
Psilocarphus tenellus RUBIACEAE
      var. tenellus RD, F Galium andrewsii SCC, SMC
Rafinesquia californica NSMC, CC, F Galium aparine NSG, NSMC, CC, SCC, SMC
Rigiopappus leptocladus SRS Galium bolanderi CC, SMC
Senecio clevelandii NSG Galium parisiense* BOW
Senecio eurycephalus SMC Galium porrigens SMC, BOW, NSMC
Senecio greenei  SMC Galium triflorum BOW
Senecio vulgaris* BOW, RD SALICACEAE
Silybum marianum* RD Populus fremontii RW
Solidago californica RW Salix breweri  SRS
Sonchus asper* RD, NSG Salix laevigata RW, SRS
Stephanomeria virgata NSMC, SMC Salix lasiolepis RW, SRS
Tanacetum parthenium* NSG,RD SAXIFRAGACEAE
Taraxacum officinale* NSG, RD Lithophragma heterophyllum BOW, NSG, NSMC
Uropappus lindleyi SG, NSG Saxifraga californica BOW, NSMC
Wyethia angustifolia NSG SCROPHULARIACEAE
Wyethia glabra NSMC, RD, SG Antirrhinum cornutum SRS
Xanthium strumarium NSG, RD Antirrhinum vexillo-calyculatum
BORAGINACEAE       ssp. breweri SMC
Amsinckia grandiflora NSG, RD, R/S Antirrhinum virga SRS, R/S
Amsinckia menziesii Bellardia trixago* NSG, RD
     var. menziesii BOW, NSG, SMC Castilleja attenuata NSG
Cryptantha clevelandi SMC Castilleja densiflora NSG
Cryptantha flaccida NSG, SMC Castilleja exserta
Cryptantha hispidula SMC, SG, R/S       ssp. exserta SG
Cryptantha intermedia NSG Castilleja foliolosa CC, SC
Cryptantha microstachys SMC Castilleja rubicundula
Cryptantha muricata CC       ssp. lithospermoides SMC
Cryptantha torreyana CC, F Castilleja rubicundula
Cynoglossum grande SMC, BOW       ssp. rubicundula SG, R/S
Heliotropium curassavicum RW Collinsia greenei SMC, R/S
Pectocarya pusilla BOW, SG Collinsia heterophylla BOW, NSG, NSMC
Plagiobothrys nothofulvus NSG, SG Collinsia sparsiflora
Plagiobothrys stipitatus SRS       var. arvensis BOW, NSMC, NSG, SMC
Plagiobothrys tenellus BOW Collinsia sparsiflora
BRASSICACEAE       var. collina BOW
Arabis breweri SMC Collinsia sparsiflora
Arabis oregana SMC, SCC, R/S       var. sparsiflora NSG, RW, SG
Athysanus pusillus BOW, NSG Cordylanthus pilosus
Barbarea orthoceras VP, RD       ssp. pilosus NSG, SMC
Brassica nigra NSG, RD Cordylanthus tenuis
Capsella bursa-pastoris* NSG, SG, RD       ssp. brunneus SMC, R/S
Cardamine californica Keckiella breviflora
      var. sinuata NSMC, SMC       ssp. glabrisepala SCC, SMC
Cardamine oligosperma BOW, NSG, RD Keckiella corymbosa SRS
Cardaria draba* RD Keckiella lemmonii SRS
Erysimum capitatum SMC, NSMC Mimulus aurantiacus NSMC, CC, SC
Guillenia lasiophylla CC, F, BOW Mimulus bolanderi SMC
Hirschfeldia incana* RD Mimulus cardinalis RW
Lepidium latifolium* RW, SRS Mimulus douglasii NSG, CC, SMC
Lepidium latipes BOW, SG, R/S Mimulus guttatus RW, SRS
Lepidium nitidum BOW, NSG, SG Mimulus layneae SMC, SRS
Raphanus sativus* RD Mimulus nudatus SRS, R/S
Streptanthus barbiger  SMC, SG Mimulus tricolor VP
Streptanthus brachiatus Pedicularis densiflora NSMC, SCC, SMC, BOW
      ssp. hoffmani SMC, R/S Penstemon heterophyllus SMC
Streptanthus breweri Scrophularia californica NSMC, SRS, RW
      var. breweri SMC Triphysaria eriantha SG, NSG
Streptanthus breweri Triphysaria versicolor
      var. hesperidis SMC       ssp. faucibarbata NSG
Streptanthus glandulosus SMC Verbascum blattaria* SRS, RW, RD
Streptanthus morrisonii  SMC, R/S Verbascum thapsus* RW, RD
Thelypodium brachycarpum SRS, R/S Veronica peregrina
Thlaspi montanum       ssp. xalapensis VP
     var. montanum SMC, SG SIMAROUBACEAE
Thysanocarpus curvipes NSG Ailanthus altissima* RD
Thysanocarpus radians NSG SOLANACEAE
CALYCANTHACEAE Nicotiana quadrivalvis RW
Calycanthus occidentalis SRS Solanum parishii NSMC, CC, SMC
CAMPANULACEAE STERCULIACEAE
Campanula angustiflora CC, SMC Fremontodendron californicum
Campanula griffini CC, F       ssp. californicum CC, SMC
Githopsis specularioides NSMC, NSG, SG, SMC TAMARICACEAE
Heterocodon rariflorum SRS Tamarix parviflora* RW, SRS
Nemacladus capillaris CC URTICACEAE
Nemacladus montanus SMC, R/S Urtica dioica
CAPRIFOLIACEAE       ssp. holosericea SRS
Lonicera interrupta SMC VALERIANACEAE
Sambucus mexicana NSMC, RW, SRS Plectritis ciliosa
Symphoricarpos albus NSMC, BOW, RW       ssp. insignis BOW, SG
Symphoricarpos mollis NSMC, BOW Plectritis macrocera NSG, SG
CARYOPHYLLACEAE VERBENACEAE
Cerastium glomeratum* NSG, RD Verbena lasiostachys SRS
Minuartia californica NSG, SCC, SMC VIOLACEAE
Minuartia douglasii NSG, SCC, SG, SMC Viola douglasii BOW, SG, SMC
Petrorhagia prolifera* SG VISCACEAE
Sagina apetala CC Arceuthobium campylopodum BOW, SMC
Silene antirrhina Phoradendron densum SCC
Silene californica SMC Phoradendron villosum BOW, RW
Silene gallica* NSG, RD VITACEAE
Stellaria media* NSG, SG, RD Vitis californica RW
Stellaria nitens NSG, SG Vitis vinifera* RD, NSG
CHENOPODIACEAE
Atriplex triangularis SRS, VP MONOCOTYLEDONS
Chenopodium berlandieri SRS, VP CYPERACEAE
Chenopodium botrys* CC, NSG Carex brevicaulis
Chenopodium californicum SCC,RD, SRS Carex mendocinensis
Chenopodium multifidum* Carex nudata RW, SRS
Chenopodium murale* Carex ovalis SRS
Salsola tragus* NSG,RD Carex serratodens SRS
CISTACEAE Carex stipata
Helianthemum scoparium CC, RD, F      var. stipata SRS
CONVOLVULACEAE Eleocharis macrostachya SRS, RW
Calystegia collina SMC, F Eleocharis parishii SRS
Convolvulus arvensis* NSG, RW, RD Scirpus americanus RW, SRS
CORNACEAE IRIDACEAE
Cornus glabrata RW, BOW, SRS Iris macrosiphon NSMC, SMC, BOW
CRASSULACEAE