Plant Guide to Mortero Trail / Sylvan Meadows Road Loop, Santa Rosa Plateau

Miles#id?Common NameLatin Name#here#all
0.00   Begin Mortero Trail from Sylvan Meadows Parking Area; trailhead is close to parking entrance gate; elevation ~1870 feet (570 m)
0.00   (cheeseweed, Malva parviflora in parking lot)
0.00b1 *soft chessBromus hordeaceus99 / 940
0.00b2 telegraph weedHeterotheca grandiflora30 / 935
0.00b3 *little horseweedConyza bonariensis4 / 117
0.00b4 *pineapple weedChamomilla suaveolens20 / 219
0.00b5 *short-fruited filareeErodium brachycarpum99 / 914
0.00b6 *prickly lettuceLactuca serriola99 / 942
0.00b7 *foxtail barleyHordeum murinum ssp. glaucum99 / 916
0.00b8 Spanish cloverLotus purshianus var. purshianus99 / 931
0.00b9 *California burcloverMedicago polymorpha99 / 940
0.00b10 *narrowleaf filagoFilago gallica99 / 945
0.00l  Sign: "Open sunrise, closed sunset; Day Use Fee Area"
0.00b11 nodding needlegrassNassella cernua99 / 917
0.00l12 *Italian rye-grassLolium multiflorum99 / 918
0.00b13 *redstem filareeErodium cicutarium50 / 955
0.00b14 dove weedEremocarpus setigerus99 / 924
0.00r15 graceful tarplantHolocarpha virgata ssp. elongata99 / 914
0.00r16 *white-stemmed filareeErodium moschatum20 / 420
0.00b17 *tocaloteCentaurea melitensis99 / 945
0.00b18 *shortpod mustardHirschfeldia incana99 / 951
0.00b19 *Bermuda grassCynodon dactylon20 / 331
0.00b20 *prickly sow thistleSonchus asper ssp. asper20 / 930
0.00r  Sign: "Mortero Trail"; pass through open gate
0.00r21 *cut-leaved geraniumGeranium dissectum30 / 413
0.00l22 *scarlet pimpernelAnagallis arvensis10 / 333
0.00r23 *wild oatsAvena fatua99 / 928
0.00l24 common bedstrawGalium aparine99 / 938
0.00b25 *annual blue grassPoa annua20 / 212
0.00b26 purple clarkiaClarkia purpurea ssp. quadrivulnera99 / 926
0.00b27 *slender wild oatsAvena barbata99 / 940
0.00r28 *Crete weedHedypnois cretica10 / 120
0.00b29 *red bromeBromus madritensis ssp. rubens99 / 953
0.00r30 rusty-haired popcorn flowerPlagiobothrys nothofulvus99 / 913
0.00b31 *long-beaked filareeErodium botrys99 / 912
0.00b32 *smooth cat's earHypochaeris glabra99 / 935
0.00r33 *hairy rattail fescueVulpia myuros var. hirsuta20 / 219
0.00l34 *sand spurreySpergularia bocconei20 / 214
0.00r35 *ripgut bromeBromus diandrus50 / 552
0.01b36 *windmill pinkSilene gallica99 / 933
0.01b37 small-flowered fiddleneckAmsinckia menziesii var. menziesii99 / 912
0.01b38 checkerbloomSidalcea malviflora ssp. sparsifolia99 / 925
0.01b39 southern miner's lettuceClaytonia perfoliata ssp. mexicana99 / 925
0.01r40 sharp-toothed sanicleSanicula arguta99 / 916
0.01l41 Engelmann oakQuercus engelmannii30 / 923
0.01l42 *sow thistleSonchus oleraceus5 / 342
0.02r43 blue dicksDichelostemma capitatum ssp. capitatum20 / 946
0.02r44 johnny jump-upViola pedunculata99 / 916
0.02l45 California-asterLessingia filaginifolia var. filaginifolia50 / 951
0.03l  Jct. path to picnic tables and Nighthawk Loop Trailhead
0.03r46 *hedge parsleyTorilis nodosa / 14
0.04r47 *hedge mustardSisymbrium officinale99 / 920
0.04r48 California everlastingGnaphalium californicum2 / 143
0.05r49 *nit grassGastridium ventricosum99 / 925
0.05r50 shooting starDodecatheon clevelandii ssp. clevelandii10 / 211
0.06l51 common fiddleneckAmsinckia menziesii var. intermedia99 / 918
0.06l52 vinegar weedTrichostema lanceolatum20 / 514
0.07r  (white everlasting, Gnaphalium canescens ssp. microcephalum)
0.08b53 *winter vetchVicia villosa ssp. varia99 / 919
0.09r54 dwarf lupineLupinus bicolor99 / 929
0.10l55 *curly dockRumex crispus5 / 523
0.11r56 toad rushJuncus bufonius var. bufonius99 / 914
0.11l57 clustered toad rushJuncus bufonius var. congestus99 / 57
0.11l58 *rabbits-foot grassPolypogon monspeliensis20 / 323
0.12b59 *grass polyLythrum hyssopifolia99 / 915
0.12r60 pit-seed goosefootChenopodium berlandieri2 / 27
0.12l61 Indian milkweedAsclepias eriocarpa20 / 918
0.12r  (fragrant everlasting, Gnaphalium canescens ssp. beneolens)
0.12r62 Pomona locoweedAstragalus pomonensis20 / 911
0.13l63 rattlesnake weedDaucus pusillus99 / 929
0.14r64 horseweedConyza canadensis30 / 936
0.15l  (Telephone Pole)
0.15r65 California buckwheatEriogonum fasciculatum var. foliolosum30 / 951
0.16r66 purple needlegrassNassella pulchra / 20
0.17c67 *knotweedPolygonum arenastrum50 / 919
0.17r  Culvert
0.18r68 red maidsCalandrinia ciliata10 / 322
0.18 69 fragrant everlastingGnaphalium canescens ssp. beneolens10 / 523
0.18l  (Dead tree, looking like a Chinese New Year Dragon)
0.19   Field of purple needlegrass, Nassella pulchra
0.19r  (Palmer's goldenbush, Ericameria palmeri var. pachylepis)
0.20r70 long-stemmed buckwheatEriogonum elongatum var. elongatum1 / 128
0.20r71 common lomatiumLomatium utriculatum10 / 25
0.20r  (leafy daisy, Erigeron foliosus var. foliosus)
0.20l  Jct. use connector trail to Nighthawk Loop Trail
0.22l  Sign: "Nighthawk Loop Trail [left]; Mortero Trail [ahead and back]"
0.22l  Jct. connector trail to Nighthawk Loop Trail
0.23l  Sign: "No Trespassing", facing Tenaja Road, from prior to construction of this trail
0.24r72 western ragweedAmbrosia psilostachya50 / 537
0.24b73 Palmer's goldenbushEricameria palmeri var. pachylepis20 / 410
0.25l  (Telephone Pole)
0.27r74 coastal goldenbushIsocoma menziesii+10 / 415
0.30l  (coast live oak, Quercus agrifolia)
0.38b75 Mexican rushJuncus mexicanus99 / 416
0.44r76 *rose cloverTrifolium hirtum50 / 313
0.45r77 goldenrodSolidago californica5 / 135
0.45l78 *yellow salsifyTragopogon dubius3 / 113
0.45l  (western sycamore, Platanus racemosa)
0.46b79 autumn willowweedEpilobium brachycarpum10 / 24
0.46r  (on road shoulder and usually whacked: mule fat, Baccharis salicifolia; across road: blue elderberry, Sambucus mexicana)
0.49b80 hybrid wild-ryeLeymus Xmultiflorus (L. condensatus X L. triticoides)20 / 25
0.51   Trail curves left around a coast live oak
0.52r81 coast live oakQuercus agrifolia var. agrifolia10 / 542
0.52r82 *common chickweedStellaria media30 / 225
0.52r83 narrow-leaved miner's lettuceClaytonia parviflora ssp. parviflora20 / 219
0.52r84 Jepson's blue wildryeElymus glaucus ssp. jepsonii20 / 511
0.52r  (poison oak, Toxicodendron diversilobum; hollyleaf redberry, Rhamnus ilicifolia)
0.52l85 Pacific sanicleSanicula crassicaulis1 / 120
0.54l  (deergrass, Muhlenbergia rigens; big leaf mistletoe, Phoradendron macrophyllum; clustered field sedge, Carex praegracilis)
0.54l86 California popcorn flowerPlagiobothrys collinus var. fulvescens99 / 95
0.57l  (California fuchsia, Epilobium canum ssp. canum)
0.57l  (tenaja with seasonal water)
0.58b87 giant wild-ryeLeymus condensatus2 / 127
0.58l  (wild-cucumber, Marah macrocarpus var. macrocarpus)
0.60r88 hollyleaf redberryRhamnus ilicifolia5 / 543
0.60r89 poison oakToxicodendron diversilobum2 / 243
0.61b  Field of prickly lettuce, Lactuca serriola, interspersed with huge field of creeping wild rye, Leymus triticoides
0.62b90 creeping wild ryeLeymus triticoides40 / 211
0.63l91 chick lupineLupinus microcarpus var. microcarpus20 / 59
0.63   Trail curves left 45°
0.65b  (bull thistle, Cirsium vulgare)
0.65   Beginning of bridge over this branch of Cole Creek; local low point on trail, elevation ~1800 feet (549 m)
0.65b92 *whorled dockRumex conglomeratus3 / 110
0.65b93 willowherbEpilobium ciliatum ssp. ciliatum5 / 118
0.65l94 mule fatBaccharis salicifolia3 / 339
0.65r95 *milk thistleSilybum marianum+5 / 19
0.65b96 common monkeyflowerMimulus guttatus5 / 115
0.65b97 deergrassMuhlenbergia rigens5 / 221
0.65l98 California sagebrushArtemisia californica+1 / 147
0.65l99 willow-leaved dockRumex salicifolius var. denticulatus2 / 18
0.65b100 common spikerushEleocharis macrostachya10 / 212
0.65b101 wrinkled rushJuncus rugulosus50 / 512
0.66   End bridge
0.67r  (white sage, Salvia apiana, dead in late 2004)
0.68   Jct. Sylvan Meadows Road; go left. Sign: "Mortero Trail [back]; to Sylvan Meadows Trailhead 0.5 mi [back]"
0.70l102 *shepherd's purseCapsella bursa-pastoris2 / 110
0.71l103 *goose grassEleusine indica5 / 11
0.71   Local low point
0.73l104 young arroyo willowSalix lasiolepis1 / 135
0.73l105 canchalaguaCentaurium venustum50 / 915
0.73l106 holly-leaf navarretiaNavarretia atractyloides99 / 99
0.74   Road curves left 45°
0.78l107 San Diego tarweedHemizonia paniculata99 / 98
0.84r108 short-winged deerweedLotus scoparius var. brevialatus5 / 223
0.84r  Jct. old use trail, now closed by a fence a bit farther on that trail
0.85b  (Torrey's scrub oak, Quercus acutidens)
0.85l109 three spotOsmadenia tenella50 / 914
0.85l110 chamiseAdenostoma fasciculatum20 / 937
0.86r111 slender combseedPectocarya linearis ssp. ferocula50 / 96
0.87b112 prickly cryptanthaCryptantha muricata99 / 916
0.87r113 golden yarrowEriophyllum confertiflorum var. confertiflorum3 / 355
0.88l114 strigose lotusLotus strigosus10 / 334
0.88l115 *Mediterranean schismusSchismus barbatus20 / 225
0.88l116 pygmy-weedCrassula connata20 / 228
0.89r117 *goldentopLamarckia aurea10 / 122
0.89r118 San Diego birdsfoot lotusLotus hamatus99 / 924
0.89r119 goldfieldsLasthenia californica50 / 513
0.90r120 everlasting nest-strawStylocline gnaphaloides20 / 312
0.90r121 Torrey's scrub oakQuercus acutidens10 / 426
0.90r122~blue larkspurDelphinium parryi ssp. parryi2 / 114
0.90r123 climbing bedstrawGalium nuttallii ssp. nuttallii10 / 930
0.90r  (southern honeysuckle, Lonicera subspicata var. denudata)
0.91l124 narrowleaf bedstrawGalium angustifolium ssp. angustifolium4 / 349
0.91r125 wild-cucumberMarah macrocarpus var. macrocarpus3 / 344
0.92r126 coast-range melicMelica imperfecta10 / 243
0.92r  (California sagebrush, Artemisia californica)
0.92r127 collar lupineLupinus truncatus10 / 124
0.92l128 miner's lettuceClaytonia perfoliata ssp. perfoliata20 / 122
0.94l  (California peony, Paeonia californica)
0.95   Road curves right
0.95l  (horehound, Marrubium vulgare)
0.96l129 California squirreltailElymus elymoides ssp. californicus / 112
0.97   Road jags right
0.98r  (bird's-foot fern, Pellaea mucronata var. mucronata)
1.02l  Jct. bicycle use trail
1.03l  (goldback fern, Pentagramma triangularis ssp. triangularis)
1.04   Local high point on road, elevation ~1840 feet (561 m)
1.04r130 California peonyPaeonia californica10 / 317
1.04r131 threadstemPterostegia drymarioides10 / 130
1.04r132 baby blue eyesNemophila menziesii var. menziesii5 / 28
1.04   Jct. other end of bicycle use trail
1.04l133spcloverTrifolium sp.3 / 1 
1.06r  (Note thick vines of poison oak that have grown up the trunk of the Engelmann oak)
1.06   Long curve right; road is in deep sand; local low point on road
1.08l  Sign: "Trail closed" at use trail
1.09r  Jct. east connector to Torino Trail
1.10r  Sign: "Torino Trail [right], to Visitor Center 0.8 mi; Sylvan Meadows Road [ahead and back], to Clinton Keith 0.5 mi, to Sylvan Meadows Trailhead 1.6 mi"
1.10l  Jct. use trail
1.10r  Jct. west connector to Torino Trail
1.11l134 goldback fernPentagramma triangularis ssp. triangularis10 / 224
1.11l135 coast jepsoniaJepsonia parryi20 / 215
1.11r136 southern honeysuckleLonicera subspicata var. denudata3 / 240
1.14r  (Vasey's prickly-pear, Opuntia vaseyi)
1.14r  Local high point on road; road curves right
1.14r137 triangular-fruit sedgeCarex triquetra1 / 117
1.14r138 foothill needlegrassNassella lepida1 / 121
1.16r  Jct. use trail
1.17   Begin long switchback left.
1.20   Cross wide shallow drainage at center of switchback
1.23l  Jct. use trail
1.23r  (Beautiful outcrop of Woodson Mountain granodiorite)
1.24l  (white-flowering currant, Ribes indecorum)
1.27r  (Note huge boulder "holding up" a tree!)
1.28   Local high point on road
1.32   Local low point on road; road is in sand; begin long switchback right.
1.34l  Jct. use trail
1.35l  (branching phacelia, Phacelia ramosissima var. latifolia)
1.35l  (laurel sumac, Malosma laurina)
1.36r  Check for different popcorn flower
1.36r139 white sageSalvia apiana5 / 138
1.36r140 woolly-fruited lomatiumLomatium dasycarpum ssp. dasycarpum3 / 18
1.36r141 bristly bird's beakCordylanthus rigidus ssp. setigerus3 / 127
1.36   Road turns left 90°
1.37l ~(Chinese houses, Collinsia heterophylla)
1.37r142 yellow mariposa lilyCalochortus weedii var. weedii5 / 111
1.38l143 redberryRhamnus crocea1 / 115
1.40   Local high point on road, elevation ~1875 feet (572 m)
1.41l  (meadow-rue, Thalictrum fendleri var. polycarpum)
1.42l  Jct. use trail
1.43   Local low point on road
1.45   Local high point on road
1.47r  Jct. use trail to Tovashal Trail
1.49l144 *tumble pigweedAmaranthus albus1 / 113
1.49l  Jct. use trail
1.49r  Jct. Tovashal Trail; sign: "Tovashal Trail [right], to visitor center 0.9 mi; Sylvan Meadows Road [ahead and back], to Clinton Keith Road 0.9 mi [back], to Sylvan Meadows Trailhead 1.2 mi [ahead]"
1.60   Road jags right; highest elevation on road, 1920 feet (585 m)
1.63   Local high point
1.66r  (black sage, Salvia mellifera)
1.68   Cross small drainage with culvert; the open drainage is lined with yellow mariposa lily, Calochortus weedii var. weedii
1.70l145 rattlesnake weedChamaesyce albomarginata3 / 110
1.72r  Small pit (origin?)
1.75r146 soap plantChlorogalum pomeridianum var. pomeridianum1 / 118
1.77r  Closed use trail to Sylvan Ranch homes
1.77l147 common hareleafLagophylla ramosissima ssp. ramosissima20 / 32
1.78   Cross wide drainage
1.81l  Sign: "Trail [ahead]"
1.81r148 elk thistleCirsium scariosum3 / 311
1.83r  Jct. Manzanita Trail, opened in 2006, which leads to La Cresta homes
1.88   Cross drainage with culvert
1.88l149 female clustered field sedgeCarex praegracilis10 / 18
1.88r150 slender tarweedHemizonia fasciculata99 / 918
1.88r151 saltgrassDistichlis spicata99 / 916
1.91r  (Engelmann oak X valley oak, Quercus engelmannii X Q. lobata; the third or fourth tree to the right, about 100 feet off-trail)
1.93l152 *Mediterranean barleyHordeum marinum ssp. gussoneanum99 / 36
1.94   Road curves left to cross drainage
1.95b153 muillaMuilla maritima30 / 19
2.00   Cross drainage with culvert
2.01l154 silver puffsUropappus lindleyi1 / 127
2.03r  Jct. Shivela Trail; end formal plant trail guide since remaining road is covered in another guide. New species are still noted, but not numbered
2.19   Cross drainage with culvert
2.21r  (Coast live oak, Quercus agrifolia, died in early 2006; it fell right over)
2.22r  California meadow barleyHordeum brachyantherum ssp. californicum10 / 1 
2.29   Cross drainage
2.30l  (Planted toyons, Heteromeles arbutifolia, with chicken wire around them at base)
2.35r  Jct. old road; Sign: "Authorized personnel only"
2.36r  Coast live oak, Quercus agrifolia, died in early 2005, probably from a weak crotch
2.46   (Granite outcrop on top of hill directly ahead)
2.50   (Dam on drainage)
2.50   Cross drainage with culvert
2.60   Cross seasonally-wet drainage
2.62   End guide back at Sylvan Meadows Parking Area
http://tchester.org/srp/plants/guides/mortero_sylvan_road_loop.html
Updated 15 April 2006.