Plant Guide to Waterfall Trail, Eaton Canyon, San Gabriel Mountains

Miles#id?Common NameLatin Name#here#all
0.00   Begin guide in the bed of the wash, directly under the middle of the Toll Road Bridge, on the west (left) side of the stream, elevation 1200 feet.
0.00l1 mule fatBaccharis salicifolia5 / 528
0.00r2 *smilo grassPiptatherum miliaceum50 / 916
0.00b3 *common beggar-ticksBidens pilosa var. pilosa99 / 92
0.00l4 *redstem filareeErodium cicutarium10 / 232
0.00r5 *eupatoryAgeratina adenophora99 / 96
0.00r6 white alderAlnus rhombifolia20 / 99
0.00r7 Hooker's evening-primroseOenothera elata ssp. hirsutissima20 / 54
0.00r8 mugwortArtemisia douglasiana20 / 523
0.00l9 *greater periwinkleVinca major1 / 16
0.00r10 *shortpod mustardHirschfeldia incana20 / 938
0.00r11 *giant reedArundo donax20 / 37
0.00r12 arroyo willowSalix lasiolepis4 / 226
0.00b  Check for a different willow.
0.00l13 narrowleaf bedstrawGalium angustifolium ssp. angustifolium10 / 939
0.00r14 giant needlegrassAchnatherum coronatum20 / 918
0.01l15 California-asterLessingia filaginifolia var. filaginifolia30 / 538
0.01l16 California buckwheatEriogonum fasciculatum var. foliolosum20 / 538
0.01l17 branching phaceliaPhacelia ramosissima var. latifolia30 / 923
0.01l18 long-stemmed buckwheatEriogonum elongatum var. elongatum5 / 217
0.01l19 California brickellbushBrickellia californica10 / 523
0.01l20sspdeerweedLotus scoparius var. scoparius10 / 919
0.01l  Old metal structure - support for a gatepost?
0.01l  (sweet alyssum, Lobularia maritima)
0.02r21 *tree tobaccoNicotiana glauca10 / 915
0.02l22 coast live oakQuercus agrifolia var. agrifolia10 / 931
0.03l23 *sow thistleSonchus oleraceus1 / 121
0.03l  Vandalized old building; cross stream to right side
0.04r24 canyon live oakQuercus chrysolepis10 / 919
0.04l  (California blackberry, Rubus ursinus)
0.07   Trail turns left 90° and crosses stream to left side
0.09l25 short-leaved cliff-asterMalacothrix saxatilis var. tenuifolia20 / 99
0.12r26 laurel sumacMalosma laurina5 / 229
0.13l27 golden yarrowEriophyllum confertiflorum var. confertiflorum10 / 540
0.13l28 coffee fernPellaea andromedifolia5 / 217
0.13l29 common bedstrawGalium aparine20 / 520
0.13l  (fountain grass, Pennisetum setaceum)
0.14r  (ladder brake, Pteris vittata)
0.14   (sugar bush, Rhus ovata)
0.15l30 California coffeeberryRhamnus californica ssp. californica2 / 212
0.15l31 chicory-leaved stephanomeriaStephanomeria cichoriacea5 / 15
0.15   Cross stream to right side
0.16r32 California bayUmbellularia californica2 / 19
0.17r33 bigleaf mapleAcer macrophyllum1 / 16
0.17l  (common fig, Ficus carica)
0.17r34 poison oakToxicodendron diversilobum10 / 329
0.17l35 *common chickweedStellaria media99 / 916
0.18r36 *horehoundMarrubium vulgare1 / 120
0.19r37?small-flowered melica?Melica imperfecta?10 / 3 
0.20l38?unk thistle?3 / 3 
0.20l39 horseweedConyza canadensis5 / 124
0.21   Cross stream to left side
0.22l40 *Spanish broomSpartium junceum1 / 17
0.24l41~wild sweetpeaLathyrus vestitus var. vestitus1 / 17
0.26r42 white nightshadeSolanum douglasii5 / 512
0.26l  Jct. high alternate path.
0.27l43 southern miner's lettuceClaytonia perfoliata ssp. mexicana20 / 314
0.27l44 golden currantRibes aureum var. gracillimum1 / 12
0.28l45 white everlastingGnaphalium canescens ssp. microcephalum5 / 530
0.28l46 bush monkeyflowerMimulus aurantiacus2 / 231
0.29r  Jct. short trail to right side of stream; continue straight.
0.29l47 black sageSalvia mellifera1 / 129
0.31l  Jct. other end of high alternate path.
0.31r48 birch-leaf mountain-mahoganyCercocarpus betuloides var. betuloides1 / 114
0.33l49 California blackberryRubus ursinus5 / 112
0.33   Cross stream to right side
0.37r50~eucryptaEucrypta chrysanthemifolia var. chrysanthemifolia10 / 115
0.38l  Jct. path
0.39r51 lemonade berryRhus integrifolia1 / 111
0.39r52 California lace fernAspidotis californica3 / 14
0.40r53 hillside gooseberryRibes californicum var. hesperium1 / 14
0.41l54 *Jerusalem oakChenopodium botrys10 / 13
0.42r  Large entranched side canyon.
0.46r55spCanterbury bells?Phacelia minor?10 / 1 
0.46r56 California suncupCamissonia californica10 / 113
0.46r57 *red bromeBromus madritensis ssp. rubens10 / 135
0.46r58 chiaSalvia columbariae10 / 117
0.46r59sppopcorn flowerCryptantha sp.3 / 1 
0.46r  Check for a different annual phacelia.
0.46r60 *windmill pinkSilene gallica10 / 121
0.47r61 collar lupineLupinus truncatus3 / 116
0.47r62 threadstemPterostegia drymarioides1 / 114
0.48r63spbittercressCardamine sp.3 / 1 
0.51   Cross stream to left side
0.52   Y-jct; go left, up.
0.53r64 creek senecioSenecio flaccidus var. douglasii1 / 19
0.53l65~Vasey's prickly pearOpuntia Xvaseyi1 / 115
0.54b66 chaparral yuccaYucca whipplei3 / 120
0.55l67~hollyleaf redberryRhamnus ilicifolia1 / 131
0.59   Y-jct; stay left (right branch crosses the stream)
0.60   Cross stream to right side
0.62   Cross stream to left side
0.67r68?smooth cat's ear?Hypochaeris glabra?10 / 1 
0.67r69~arched elegant rock-cressArabis sparsiflora var. arcuata5 / 36
0.70   Cross stream to right side
0.73   Cross stream to left side
0.76r70~round-leaved boykiniaBoykinia rotundifolia2 / 12
0.76r  (Venus-hair fern, Adiantum capillus-veneris)
0.76   End guide at waterfall, elevation ~1340 feet.
http://tchester.org/sgm/plants/guides/mw_toll_road_loop.html
Updated 27 February 2004.