Plant Guide to Adobe Loop Trail, Santa Rosa Plateau

Miles#id?Common NameLatin Name#here#all
0.00   Begin the loop at the south entrance, immediately south of the largest Adobe / Porta-Potty / parking lot. Sign: "Adobe Loop Trail / Punta Mesa Trail; to Monument Hill Road 2.4 mi; to Adobe Loop Jct. 0.4 mi"; elevation 1840 feet (561 m)
0.00b1 *California burcloverMedicago polymorpha99 / 940
0.00b2 *short-fruited filareeErodium brachycarpum20 / 914
0.00l  (bull thistle, Cirsium vulgare)
0.00b3 *shortpod mustardHirschfeldia incana99 / 951
0.00b4 *redstem filareeErodium cicutarium99 / 955
0.00b5 *soft chessBromus hordeaceus99 / 940
0.00r6 *hairy rattail fescueVulpia myuros var. hirsuta99 / 919
0.00b7 *Italian rye-grassLolium multiflorum99 / 918
0.00b8 *wild oatsAvena fatua99 / 926
0.00r9 *white-stemmed filareeErodium moschatum30 / 220
0.00b10 *foxtail barleyHordeum murinum ssp. glaucum30 / 313
0.00c11 *narrowleaf filagoFilago gallica99 / 945
0.00b12 *ripgut bromeBromus diandrus99 / 952
0.00l13 *prickly sow thistleSonchus asper ssp. asper20 / 730
0.00r14 purple needlegrassNassella pulchra50 / 920
0.00 15 California everlastingGnaphalium californicum20 / 943
0.00r16 horseweedConyza canadensis5 / 337
0.00l17 *horehoundMarrubium vulgare50 / 932
0.00r18 coast live oakQuercus agrifolia var. agrifolia20 / 942
0.00r19 *tall fescueFestuca arundinacea1 / 13
0.00b20 *prickly lettuceLactuca serriola99 / 942
0.00   Cross through opening in fence missing its gate.
0.00c21 *shepherd's purseCapsella bursa-pastoris30 / 210
0.00r22 *cheeseweedMalva parviflora20 / 217
0.01r23 *sow thistleSonchus oleraceus10 / 542
0.02c24 *knotweedPolygonum arenastrum20 / 520
0.02r  (stinking gourd, Cucurbita foetidissima)
0.02b25 *curly dockRumex crispus20 / 923
0.03r  (common fiddleneck, Amsinckia menziesii var. intermedia)
0.03c26 red maidsCalandrinia ciliata / 17
0.03   Cross through open gate in fence
0.04r27 graceful tarplantHolocarpha virgata ssp. elongata50 / 915
0.05l28 hollyleaf redberryRhamnus ilicifolia5 / 343
0.05r29 blue-eyed grassSisyrinchium bellum20 / 919
0.05l  Beware the bee's nest at the base of the hollyleaf redberry in 2002 and 2003!
0.05l  New shed in 2004
0.06l  (California buckwheat, Eriogonum fasciculatum var. foliolosum)
0.06l30 *windmill pinkSilene gallica / 33
0.07l31 purple sanicleSanicula bipinnatifida50 / 911
0.07l32 blue dicksDichelostemma capitatum ssp. capitatum50 / 946
0.07l33 checkerbloomSidalcea malviflora ssp. sparsifolia50 / 925
0.07l  The Earl W. Lathrop Bench.
0.09l34 *slender wild oatsAvena barbata10 / 140
0.11   Cross drainage
0.12r35 purple clarkiaClarkia purpurea ssp. quadrivulnera99 / 926
0.13r36 southern miner's lettuceClaytonia perfoliata ssp. mexicana40 / 925
0.13r37 western buttercupRanunculus occidentalis99 / 96
0.14r38 dwarf lupineLupinus bicolor50 / 929
0.14c39 shining peppergrassLepidium nitidum var. nitidum / 6
0.14b40 California-asterLessingia filaginifolia var. filaginifolia30 / 951
0.14b41 *smooth cat's earHypochaeris glabra99 / 935
0.14b  Fenceposts
0.14l42 Engelmann oakQuercus engelmannii1 / 123
0.15l43 climbing bedstrawGalium nuttallii ssp. nuttallii10 / 930
0.15b44 *hedge parsleyTorilis nodosa99 / 914
0.15r45 slender madiaMadia gracilis50 / 919
0.15r46 sticky cinquefoilPotentilla glandulosa ssp. glandulosa10 / 217
0.15r47 southern honeysuckleLonicera subspicata var. denudata20 / 940
0.15r48 coast-range melicMelica imperfecta50 / 943
0.15b49 toyonHeteromeles arbutifolia3 / 344
0.15r50 common bedstrawGalium aparine99 / 938
0.15b51 poison oakToxicodendron diversilobum99 / 943
0.15r52 laurel sumacMalosma laurina10 / 342
0.15b53 California bromeBromus carinatus var. carinatus5 / 224
0.15r  (heartleaf penstemon, Keckiella cordifolia)
0.15   Cross wooded drainage
0.15b54 California sweet-cicelyOsmorhiza brachypoda50 / 96
0.15r55 blue wildryeElymus glaucus ssp. glaucus40 / 921
0.15r56 *cut-leaved geraniumGeranium dissectum50 / 413
0.15r57 *weak blue grassPoa infirma30 / 26
0.16r58 *common groundselSenecio vulgaris2 / 118
0.16r  Either an unusual coast live oak, or possibly a hybrid with interior live oak, Quercus agrifolia var. agrifolia X Quercus wislizeni var. frutescens+
0.16l59 leafy daisyErigeron foliosus var. foliosus4 / 344
0.16l60 fragrant everlastingGnaphalium canescens ssp. beneolens2 / 223
0.16r61 blue larkspurDelphinium parryi ssp. parryi20 / 214
0.17l  A white-flowered "blue-eyed grass", Sisyrinchium bellum
0.17b62 dove weedEremocarpus setigerus10 / 225
0.17r63 shooting starDodecatheon clevelandii ssp. clevelandii50 / 511
0.17r  Beautiful field of shooting stars.
0.17l  (American vetch, Vicia americana var. americana; white-flowering currant, Ribes indecorum)
0.17b64 slender cottonweedMicropus californicus var. californicus99 / 57
0.17r65 California lotusLotus wrangelianus99 / 54
0.17l66 Gambel's dwarf milk-vetchAstragalus gambelianus40 / 24
0.17l67 vinegar weedTrichostema lanceolatum10 / 215
0.17b68 *nit grassGastridium ventricosum99 / 926
0.17b69 *red bromeBromus madritensis ssp. rubens / 53
0.17l70 *goldentopLamarckia aurea10 / 124
0.18l  (San Diego wreathplant, Stephanomeria diegensis)
0.19r71 johnny jump-upViola pedunculata20 / 416
0.19l72 California buckwheatEriogonum fasciculatum var. foliolosum3 / 251
0.19r73 California plantainPlantago erecta99 / 913
0.19r74 earth brodiaeaBrodiaea terrestris ssp. kernensis10 / 17
0.19r  Nice field of needlegrass.
0.21b75 *mouse-ear chickweedCerastium glomeratum50 / 919
0.21r  (Italian thistle, Carduus pycnocephalus)
0.21r  (soap plant, Chlorogalum pomeridianum var. pomeridianum)
0.21r76 three spotOsmadenia tenella30 / 115
0.22r77 *sand spurreySpergularia bocconei20 / 214
0.23r78 coast jepsoniaJepsonia parryi30 / 215
0.23r79 *barbgrassHainardia cylindrica40 / 21
0.24l80 deerweedLotus scoparius var. scoparius40 / 529
0.24b81 Torrey's scrub oakQuercus acutidens50 / 926
0.24r82 wild-cucumberMarah macrocarpus var. macrocarpus4 / 444
0.24r83 heartleaf penstemonKeckiella cordifolia10 / 328
0.24r84 splendid mariposa lilyCalochortus splendens10 / 920
0.24r85 soap plantChlorogalum pomeridianum var. pomeridianum50 / 919
0.24r86 white-flowering currantRibes indecorum1 / 122
0.24r87 Pacific sanicleSanicula crassicaulis30 / 920
0.24r88 holly-leaf navarretiaNavarretia atractyloides50 / 99
0.24r89 *tiny bedstrawGalium murale99 / 92
0.24r90 California sagebrushArtemisia californica50 / 947
0.25b91 bristly bird's beakCordylanthus rigidus ssp. setigerus50 / 928
0.25r  (coyote bush, Baccharis pilularis)
0.25r92 chamiseAdenostoma fasciculatum20 / 937
0.25r93 golden yarrowEriophyllum confertiflorum var. confertiflorum20 / 955
0.25r94 saw-toothed goldenbushHazardia squarrosa var. grindelioides3 / 235
0.25r95 Parish's purple nightshadeSolanum parishii20 / 420
0.25b96 San Diego peaLathyrus vestitus var. alefeldii4 / 321
0.25r  (meadow-rue, Thalictrum fendleri var. polycarpum)
0.26r97 purple headAcourtia microcephala1 / 119
0.26l98 black sageSalvia mellifera10 / 540
0.26r99 slender vetchVicia hassei10 / 26
0.26r100 narrowleaf bedstrawGalium angustifolium ssp. angustifolium2 / 250
0.26r101 southern foothill penstemonPenstemon heterophyllus var. australis20 / 22
0.26r102 white sageSalvia apiana10 / 538
0.27   (goldback fern, Pentagramma triangularis ssp. triangularis)
0.27r103 pygmy-weedCrassula connata99 / 928
0.27r104 goldfieldsLasthenia californica2 / 112
0.27r105 toad rushJuncus bufonius var. bufonius / 14
0.28r  Corestone eroding out of the Woodson Mountain granodiorite
0.30r106 western lady's mantleAphanes occidentalis30 / 23
0.32b107 San Diego birdsfoot lotusLotus hamatus30 / 224
0.32r108 goldenstarBloomeria crocea2 / 212
0.34l109 *tocaloteCentaurea melitensis20 / 945
0.34c110 *pineapple weedChamomilla suaveolens1 / 119
0.34r111 slender wreathplantStephanomeria exigua ssp. deanei2 / 214
0.34r112 San Diego mountain mahoganyCercocarpus minutiflorus4 / 212
0.35r113 *common chickweed (no petals in first location!)Stellaria media+30 / 225
0.35l114 *oliveOlea europaea4 / 410
0.35r115 Eastwood manzanitaArctostaphylos glandulosa ssp. zacaensis2 / 111
0.37b116 bush monkeyflowerMimulus aurantiacus10 / 742
0.39l117 *scarlet pimpernelAnagallis arvensis50 / 933
0.39r118 long-leaf plantainPlantago elongata99 / 22
0.40r119 eucryptaEucrypta chrysanthemifolia var. chrysanthemifolia20 / 325
0.41b120 rusty-haired popcorn flowerPlagiobothrys nothofulvus40 / 313
0.42l121 *hedge mustardSisymbrium officinale50 / 420
0.42r  (Woodrat's nest in tree)
0.43b122 Pomona locoweedAstragalus pomonensis2 / 111
0.43l123 canchalaguaCentaurium venustum3 / 115
0.43r124~canyon clarkiaClarkia epilobioides10 / 111
0.43b125 rattlesnake weedDaucus pusillus40 / 929
0.43l  (white everlasting, Gnaphalium canescens ssp. microcephalum)
0.43l126 short-winged deerweedLotus scoparius var. brevialatus2 / 123
0.44   Jct. with Punta Mesa Trail; go left; elevation 1800 feet (549 m); sign: "Adobe Loop / Punta Mesa Trail"; trail now descends
0.44r127 strigose lotusLotus strigosus2 / 135
0.44r128 southern Indian pinkSilene laciniata ssp. major / 20
0.45l129 Spanish cloverLotus purshianus var. purshianus / 31
0.45l130 Chinese housesCollinsia heterophylla+50 / 214
0.45r131 giant wild-ryeLeymus condensatus2 / 227
0.45b  common chickweed, Stellaria media, with petals
0.47l132 basketbushRhus trilobata1 / 124
0.52r  (Beehive in tree)
0.52r133 telegraph weedHeterotheca grandiflora / 37
0.53l134 tree cloverTrifolium ciliolatum10 / 112
0.54l135~*yellow salsifyTragopogon dubius+1 / 113
0.54r136 western sycamorePlatanus racemosa1 / 127
0.54b137 *bull thistleCirsium vulgare30 / 919
0.55   Trail turns left 90°
0.55r138 western ragweedAmbrosia psilostachya50 / 937
0.56l139 *sourcloverMelilotus indicus5 / 124
0.56l  Field of autumn willowweed, Epilobium brachycarpum
0.56l140 autumn willowweedEpilobium brachycarpum10 / 14
0.56r141 arroyo willowSalix lasiolepis2 / 235
0.57b142 *Himalaya blackberryRubus discolor10 / 33
0.58   Cross drainage; elevation 1760 feet (536 m); trail curves left
0.58l143 rigid hedge-nettleStachys ajugoides var. rigida5 / 213
0.59b144 California poppyEschscholzia californica10 / 229
0.60r145 creeping wild ryeLeymus triticoides20 / 212
0.60r  Field of slender madia, Madia gracilis
0.60l146 *field hedge-parsleyTorilis arvensis50 / 16
0.60r  (shining willow, Salix lucida ssp. lasiandra)
0.60r147 saltgrassDistichlis spicata20 / 217
0.60   Cross very small drainage
0.61c148 Mexican rushJuncus mexicanus10 / 316
0.62r  Cross just above head of drainage
0.62 149 *fennelFoeniculum vulgare+1 / 113
0.66l150 blue elderberrySambucus mexicana2 / 248
0.66r  (hybrid wild-rye, Leymus Xmultiflorus = L. condensatus X L. triticoides)
0.67r  (red willow, Salix laevigata+)
0.69r  (In drainage: Pacific rush, Juncus effusus var. pacificus; wrinkled rush, Juncus rugulosus; sand spikerush, Eleocharis montevidensis; cocklebur, Xanthium strumarium; spike primrose, Epilobium densiflorum; narrow-leaf milkweed, Asclepias fascicularis; Emory's baccharis, Baccharis emoryi; mule fat, Baccharis salicifolia; water cress, Rorippa nasturtium-aquaticum)
0.69r  (deergrass, Muhlenbergia rigens)
0.70l  Sign: "Trail Closed" (for path leading to Reserve Resource Manager's House)
0.72r  (pecan, Carya illinoensis)
0.72r151 *dallis grassPaspalum dilatatum1 / 110
0.73l152 Indian milkweedAsclepias eriocarpa10 / 218
0.73r  (bristly ox-tongue, Picris echioides)
0.73   Enter riparian woodland.
0.76r  Sign: "When Rock and Water Meet" (tenaja); go to the tenaja for the next two species
0.76r153 panicled bulrushScirpus microcarpus30 / 22
0.76r154 *grass polyLythrum hyssopifolia5 / 115
0.79l  Red bench
0.81l  Virginia C. House Bench
0.82   Begin bridge over Ranch Creek
0.82l155 narrow-leaf milkweedAsclepias fascicularis5 / 18
0.82l156 sand spikerushEleocharis montevidensis10 / 17
0.82l157 Pacific rushJuncus effusus var. pacificus1 / 14
0.82l158 *English plantainPlantago lanceolata1 / 119
0.82b159 *spearmintMentha spicata var. spicata10 / 14
0.82l160 water cressRorippa nasturtium-aquaticum2 / 111
0.82l161 Hooker's evening-primroseOenothera elata ssp. hirsutissima+2 / 110
0.82l  (giant chain fern, Woodwardia fimbriata)
0.82l162 scarlet monkeyflowerMimulus cardinalis2 / 115
0.82   End bridge
0.82r163 clustered field sedgeCarex praegracilis3 / 29
0.83   Trail turns left 90°
0.83l164 *little horseweedConyza bonariensis1 / 116
0.85l  (greater periwinkle, Vinca major, on far bank)
0.87l165 Vasey's prickly-pearOpuntia vaseyi1 / 124
0.89l  Sign: "Sensitive wetland area. Do not enter".
0.89   Trail jogs right. Note granary branch on ground; it was hanging just above your head over the trail until 2006
0.90l166 *orchard-grassDactylis glomerata20 / 23
0.90l167 *whorled dockRumex conglomeratus1 / 111
0.95   End Adobe Loop Trail at jct. with Lomas Trail; elevation 1840 feet (561 m)
http://tchester.org/srp/plants/guides/adobe_loop.html
Updated 28 April 2006.