Plant Guide to Iron Mountain Trail, Poway

MileS#id?Common NameLatin Name#here#all
0.00   Begin trail at SR67 entrance just south of Poway Road
0.00b1 *shortpod mustardHirschfeldia incana99 / 9 
0.00b2 *foxtail barleyHordeum murinum5 / 1 
0.00b3 dove weedEremocarpus setigerus30 / 5 
0.00r4 western ragweedAmbrosia psilostachya5 / 1 
0.00b5 *long-beaked filareeErodium botrys99 / 9 
0.00r6 *smooth cat's earHypochaeris glabra99 / 9 
0.00r7 *prickly sow thistleSonchus asper ssp. asper10 / 9 
0.00r8 *sow thistleSonchus oleraceus10 / 9 
0.00r9 *Italian thistleCarduus pycnocephalus1 / 1 
0.00r10~horseweedConyza canadensis1 / 1 
0.00b11 *Russian thistleSalsola tragus5 / 2 
0.00r12 *annual blue grassPoa annua2 / 1 
0.00b13 *soft chessBromus hordeaceus20 / 5 
0.00b14 *red bromeBromus madritensis ssp. rubens50 / 9 
0.00r15spannual everlastingGnaphalium sp.5 / 1 
0.00r16 *scarlet pimpernelAnagallis arvensis10 / 5 
0.00b17 California sagebrushArtemisia californica10 / 5 
0.00b  (California buckwheat, Eriogonum fasciculatum var. foliolosum)
0.00b18 San Diego birdsfoot lotusLotus hamatus5 / 2 
0.00b  (curly dock, Rumex crispus; Spanish clover, Lotus purshianus var. purshianus)
0.00r19~*wall bedstrawGalium parisiense10 / 1 
0.00b20 *tocaloteCentaurea melitensis99 / 9 
0.00b21 *redstem filareeErodium cicutarium99 / 9 
0.00r22 *California burcloverMedicago polymorpha50 / 9 
0.00r23 *horehoundMarrubium vulgare10 / 5 
0.00r24 *ripgut bromeBromus diandrus20 / 5 
0.00l25 *Crete weedHedypnois cretica50 / 9 
0.00l26 *cheeseweedMalva parviflora3 / 1 
0.00l27 *white-stemmed filareeErodium moschatum20 / 5 
0.00l28 *sourcloverMelilotus indicus10 / 3 
0.00   Cross over culvert
0.00l29 *London rocketSisymbrium irio50 / 9 
0.00l30sspbig sagebrushArtemisia tridentata2 / 1 
0.00l  (laurel sumac, Malosma laurina; chaparral bush mallow, Malacothamnus fasciculatus)
0.01r  Kiosk
0.01b31 coast live oakQuercus agrifolia var. agrifolia20 / 1 
0.01b32~*nettle-leaved goosefootChenopodium murale10 / 2 
0.02l33 narrow-leaf milkweedAsclepias fascicularis1 / 1 
0.02l  (planted pine, Pinus sp.; eucalyptus, Eucalyptus sp.; purple wild radish, Raphanus sativus)
0.02r34 sacred daturaDatura wrightii1 / 1 
0.03l35 rattlesnake weedChamaesyce albomarginata1 / 1 
 r36 planted pinePinus sp. /  
 l37 *purple wild radishRaphanus sativus5 / 2 
 l38 *prickly lettuceLactuca serriola1 / 1 
 l39 laurel sumacMalosma laurina10 / 3 
 l40 *winter vetchVicia villosa ssp. varia10 / 2 
 l41 California-asterLessingia filaginifolia var. filaginifolia5 / 2 
 l42 saw-toothed goldenbushHazardia squarrosa var. grindelioides30 / 9 
 r43 California buckwheatEriogonum fasciculatum var. foliolosum10 / 3 
 l44 deerweedLotus scoparius var. scoparius30 / 5 
 r45 broom baccharisBaccharis sarothroides10 / 3 
0.10r46 white sageSalvia apiana10 / 3 
 r47 bicolored everlastingGnaphalium bicolor3 / 3 
 l48 golden yarrowEriophyllum confertiflorum var. confertiflorum30 / 9 
 l49~chaparral bush mallowMalacothamnus fasciculatus10 / 5 
 r  (California four o'clock, Mirabilis californica)
 l  (fragrant everlasting, Gnaphalium canescens ssp. beneolens)
 l50~holly-leaf navarretiaNavarretia atractyloides1 / 1 
 l51 small-seeded spurgeChamaesyce polycarpa1 / 1 
 r52 popcorn flowerCryptantha intermedia20 / 3 
 r53 red maidsCalandrinia ciliata10 / 3 
 b  Sign: "Remain on trail"
 l54 slender tarweedHemizonia fasciculata10 / 1 
 r  Road rejoins trail
 l55 wild-cucumberMarah macrocarpus var. macrocarpus2 / 2 
 r56 *mouse-ear chickweedCerastium glomeratum5 / 1 
 r57 *windmill pinkSilene gallica30 / 5 
 b58 common fiddleneckAmsinckia menziesii var. intermedia5 / 1 
0.25l59 slender sunflowerHelianthus gracilentus30 / 9 
 r  (coastal goldenbush, Isocoma menziesii)
 r60 *lesser swine cressCoronopus didymus5 / 1 
 r61 bush monkeyflowerMimulus aurantiacus30 / 9 
 r  (Ramona-lilac, Ceanothus tomentosus var. olivaceus)
 r62 small-flowered soap plantChlorogalum parviflorum30 / 9 
 r63spfilagoFilago sp.30 / 9 
 r64sptiny annual cloverTrifolium microcephalum?1 / 1 
 r65sspwestern thistleCirsium occidentale1 / 1 
 l  Jct. trail and signpost to Ellie Lane trailhead
 l66 coastal goldenbushIsocoma menziesii2 / 2 
 l  Two porta-potties
 l67 stinging lupineLupinus hirsutissimus1 / 1 
 l  (dwarf nettle, Urtica urens)
 l68 Ramona-lilacCeanothus tomentosus var. olivaceus99 / 9 
 l69 chaparral yuccaYucca whipplei30 / 9 
 r70spprickly-pearOpuntia sp.1 / 1 
 r  (California goosefoot, Chenopodium californicum)
 r71 *slender wild oatsAvena barbata50 / 9 
 l72~purple needlegrassNassella pulchra1 / 1 
 l73 blue dicksDichelostemma capitatum ssp. capitatum5 / 2 
 l  (chia, Salvia columbariae)
0.50b74 chamiseAdenostoma fasciculatum50 / 9 
 r ~(Engelmann oak, Quercus engelmannii)
 l75 ashy spike-mossSelaginella cinerascens20 / 9 
 l76 Bigelow's spike-mossSelaginella bigelovii2 / 1 
 l77 bird's-foot fernPellaea mucronata var. mucronata3 / 3 
 l  (silver puffs, Uropappus lindleyi)
 l78 strigose lotusLotus strigosus10 / 3 
 r79 *common groundselSenecio vulgaris20 / 5 
 r  (Torrey's scrub oak, Quercus acutidens; bush poppy, Dendromecon rigida)
 r80 Parish's purple nightshadeSolanum parishii20 / 9 
 r  (goldentop, Lamarckia aurea)
 l81 California plantainPlantago erecta20 / 1 
 r  (meadow-rue, Thalictrum fendleri var. polycarpum)
 l82 *nit grassGastridium ventricosum2 / 1 
 l83 foothill needlegrassNassella lepida1 / 1 
 l84 hairyleaf redberryRhamnus pilosa20 / 9 
 r  (southern honeysuckle, Lonicera subspicata var. denudata)
 l85spphaceliaPhacelia sp.10 / 2 
 l86 threadstemPterostegia drymarioides30 / 2 
    Cross creek to right
 l  (San Diego mountain mahogany, Cercocarpus minutiflorus; eucrypta, Eucrypta chrysanthemifolia var. chrysanthemifolia)
    I failed to record the first on-trail occurrence of the following taxon, which occurs somewhere after this point
  87 San Diego mountain mahoganyCercocarpus minutiflorus /  
 r  (sugar bush, Rhus ovata; California everlasting, Gnaphalium californicum)
 l88 scarlet larkspurDelphinium cardinale50 / 9 
 l  (California bee plant, Scrophularia californica ssp. floribunda)
 l89spMariposa lilyCalochortus sp.1 / 1 
 l90 mission manzanitaXylococcus bicolor30 / 9 
 l91 white-flowering currantRibes indecorum5 / 3 
 r92 bigberry manzanitaArctostaphylos glauca10 / 9 
 l  (triangular-fruit sedge, Carex triquetra)
 l93~*Mediterranean schismusSchismus barbatus1 / 1 
 l  (poison oak, Toxicodendron diversilobum)
    Cross creek to left
 l94 San Diego peaLathyrus vestitus var. alefeldii5 / 3 
 l95~eucryptaEucrypta chrysanthemifolia var. chrysanthemifolia1 / 1 
 r96~narrow-leaved miner's lettuceClaytonia parviflora ssp. parviflora5 / 1 
 r  (silverback fern, Pentagramma triangularis ssp. viscosa; ~purple snapdragon, ~Antirrhinum nuttallianum ssp. nuttallianum)
 r97 *Australian brass-buttonsCotula australis10 / 2 
 r98 climbing bedstrawGalium nuttallii ssp. nuttallii5 / 5 
 l99spannual suncupCamissonia sp.10 / 3 
 l100 Torrey's scrub oakQuercus acutidens10 / 9 
 l101 sugar bushRhus ovata2 / 2 
 l  (matchweed, Gutierrezia sarothrae)
 l  Jct. use trail to Iron Mine
 l102 red-skinned onionAllium haematochiton10 / 5 
 r  (California buckwheat, Eriogonum fasciculatum var. polifolium)
 l103 southern California morning-gloryCalystegia macrostegia1 / 1 
 r104 hollyleaf cherryPrunus ilicifolia ssp. ilicifolia2 / 2 
 l105 coast jepsoniaJepsonia parryi10 / 1 
 l106 silverback fernPentagramma triangularis ssp. viscosa50 / 9 
 l107 toyonHeteromeles arbutifolia3 / 3 
 r  (heartleaf penstemon, Keckiella cordifolia)
    Cross creek to right
 r108 mule fatBaccharis salicifolia2 / 1 
 r  (Mariposa rush, Juncus dubius)
 b109 common bedstrawGalium aparine10 / 2 
 r110 milk maidsCardamine californica50 / 9 
 r111 coast-range melicMelica imperfecta10 / 9 
 l112 poison oakToxicodendron diversilobum3 / 2 
    Switchback right
 r113 heartleaf penstemonKeckiella cordifolia10 / 5 
 l114~California wood fernDryopteris arguta2 / 2 
    Switchback left
    Switchback right
  115 Eastwood manzanitaArctostaphylos glandulosa ssp. zacaensis99 / 9 
    Switchback left
 r116 California snowdrop bushStyrax officinalis var. redivivus99 / 9 
 r117 fire reedgrassCalamagrostis koelerioides99 / 9 
 r118 southern Indian pinkSilene laciniata ssp. major30 / 9 
 r119 southern honeysuckleLonicera subspicata var. denudata20 / 9 
 r  Check for goldback fern
 l120 wild celeryApiastrum angustifolium1 / 1 
 l  (scaly lipfern, Cheilanthes clevelandii)
 r121 leafy daisyErigeron foliosus var. foliosus50 / 9 
 r122 narrowleaf bedstrawGalium angustifolium ssp. angustifolium10 / 9 
 r123 felt-leaved monardellaMonardella hypoleuca ssp. lanata50 / 9 
 b124 southern tauschiaTauschia arguta20 / 9 
 r125 scaly lipfernCheilanthes clevelandii10 / 3 
 r126 bristly bird's beakCordylanthus rigidus ssp. setigerus20 / 5 
 r127 rush-roseHelianthemum scoparium99 / 9 
 r128 Ramona horkeliaHorkelia truncata30 / 9 
 r129 California everlastingGnaphalium californicum2 / 2 
 r130 white star-lilyZigadenus fremontii30 / 9 
1.00r  "1 mile post"
 r131 canyon silktasselGarrya veatchii1 / 1 
 b132 bush poppyDendromecon rigida20 / 5 
 r133spvioletViola sp.10 / 5 
 r134 common skullcapScutellaria tuberosa20 / 2 
 r135 California filagoFilago californica20 / 1 
 r136 pygmy-weedCrassula connata20 / 1 
 r137 *Mediterranean pygmy-weedCrassula tillaea20 / 1 
 r138~Pacific sanicleSanicula crassicaulis1 / 1 
 r139sppopcorn flowerPlagiobothrys sp.10 / 1 
 r140?sharp-toothed annual?3 / 1 
    Switchback right
 l141 Cleveland sageSalvia clevelandii20 / 9 
    Switchback left
 b142 tuberous sanicleSanicula tuberosa40 / 9 
 l143 silver puffsUropappus lindleyi10 / 2 
    Cross creek with visible water in April 2007
 r  (miner's lettuce, Claytonia perfoliata ssp. perfoliata)
 l  (goldenrod, Solidago californica)
    Switchback right
    Switchback left
 r  (shiny lomatium, Lomatium lucidum)
 r  (Indian warrior, Pedicularis densiflora)
 b144 interior live oakQuercus wislizeni var. frutescens30 / 9 
 r145 southern mountain miseryChamaebatia australis10 / 9 
 r146 California bee plantScrophularia californica ssp. floribunda5 / 2 
    T-jct; go right
 r147 bushrueCneoridium dumosum1 / 1 
    Trail turns left 90°
 r148 Indian warriorPedicularis densiflora30 / 9 
 l149~seashore bentgrassAgrostis pallens3 / 3 
    Trail turns right 90°
 r  (giant needlegrass, Achnatherum coronatum)
 l150 woolly-fruited lomatiumLomatium dasycarpum ssp. dasycarpum20 / 3 
 r151~Parish's bluecurlsTrichostema parishii10 / 3 
 r152 Mohave yuccaYucca schidigera1 / 1 
1.50r  "1.5 mile post"
 l  Jct. short Overlook Trail
 r153 white everlastingGnaphalium canescens ssp. microcephalum1 / 1 
 l154 everlasting nest-strawStylocline gnaphaloides5 / 1 
 r155 tinker's pennyHypericum anagalloides10 / 2 
 r  (thick-leaved yerba santa, Eriodictyon crassifolium var. crassifolium)
 l  (deergrass, Muhlenbergia rigens)
 l  (oracle oak, Quercus kelloggii X Quercus wislizeni var. frutescens)
 l  (Mexican rush, Juncus mexicanus)
 b156 thick-leaved yerba santaEriodictyon crassifolium var. crassifolium10 / 3 
    Switchback right
 l157 meadow-rueThalictrum fendleri var. polycarpum10 / 2 
 l158?spreading-stiff-hairy tiny ann with alt petioled roundish leaves with truncate base?20 / 2 
 l159 rigid hedge-nettleStachys ajugoides var. rigida10 / 1 
 l  (San Diego sedge, Carex spissa; willow, Salix sp.)
 l160 Mexican rushJuncus mexicanus10 / 1 
    Cross drainage and switchback left
    Switchback right
 l161 California lace fernAspidotis californica1 / 1 
2.00r  "2.0 mile post"
    Switchback left
    Switchback right
    Switchback left
    Switchback right
    Switchback left
 l162 giant needlegrassAchnatherum coronatum10 / 9 
    Switchback right
    Switchback left
 r  Saddle; sign: "Do not cut switchbacks"
 l163~rein orchidPiperia cooperi30 / 9 
2.50r  "2.5 mile post"
 r164 *gazaniaGazania X (mounding hybrid)2 / 2 
 r  (Second oracle oak, Quercus kelloggii X Quercus wislizeni var. frutescens)
    End guide at top of Iron Mountain
http://tchester.org/sd/plants/guides/bser/iron_mountain_trail.html
Updated 12 April 2007.