Anza-Borrego: Plant Guide To California Riding and Hiking Trail: Visitor Center to Culp Valley

miles#idCommon NameScientific Name#here#all
0.00   Begin at signed trailhead on southeast corner of Visitor Center Parking Lot; elevation ~835 feet (255 m). Guide gives species abundance only to saddle at mile 3.06 for those found earlier than that point.
0.00b1 *Mediterranean schismusSchismus barbatus10 / 151
0.00b2 small-seeded spurgeChamaesyce polycarpa99 / 754
0.00b3sp Nemacladus sp.99 / 9 
0.00b4 *redstem filareeErodium cicutarium99 / 981
0.00r5 New Mexico ditaxisDitaxis neomexicana50 / 93
0.00l6 Gander's chollaOpuntia ganderi99 / 939
0.00b7 brittlebushEncelia farinosa99 / 952
0.00r  Sign: "Riding and Hiking Trail (ahead); No Dogs Past This Point"
0.00b8 indigo bushPsorothamnus schottii50 / 746
0.00b9 burroweedAmbrosia dumosa40 / 949
0.00l10 common phaceliaPhacelia distans99 / 937
0.00l  Check for id of the Cryptantha here
0.01l11 chinch-weedPectis papposa var. papposa40 / 95
0.01r12 Emory's rock-daisyPerityle emoryi20 / 928
0.01r13 desert dandelionMalacothrix glabrata5 / 217
0.02b14 small-flowered poppyEschscholzia minutiflora ssp. minutiflora10 / 215
0.02   Trail curves left
0.03r15 wishbone plantMirabilis bigelovii var. retrorsa30 / 927
0.03   Trail makes small curve right
0.04l16 *Asian mustardBrassica tournefortii20 / 943
0.04r17 chuparosaJusticia californica40 / 724
0.05b  (creosote bush, Larrea tridentata)
0.05r18sspwestern tansy-mustardDescurainia pinnata20 / 5 
0.05l  (wire-lettuce, Stephanomeria pauciflora var. pauciflora)
0.06   Trail curves right
0.06l19 cheesebushHymenoclea salsola var. salsola20 / 744
0.08r20 desert lavenderHyptis emoryi+50 / 744
0.08l21~California suncupCamissonia californica99 / 960
0.09   Cross small wash
0.10l22 Guadalupe cryptanthaCryptantha maritima99 / 915
0.10l23 desert thornappleDatura discolor5 / 59
0.11r  (California barrel cactus, Ferocactus cylindraceus)
0.13r24 desert twining snapdragonAntirrhinum filipes4 / 46
0.16r25 creosote bushLarrea tridentata40 / 753
0.32   Trail jogs left
0.37   Cross faint old road (or buried water pipe) heading toward the hills from the water tanks to left
0.37l  (teddy-bear cholla, Opuntia bigelovii)
0.43l26 chiaSalvia columbariae1 / 153
0.43l  Dead desert trumpet, Eriogonum inflatum
0.47r27 teddy-bear chollaOpuntia bigelovii30 / 533
0.48l  Dead ocotillo, Fouquieria splendens ssp. splendens next to trail; live one off-trail
0.50   Cross wash
0.54r28 wire-lettuceStephanomeria pauciflora var. pauciflora30 / 949
0.58l  (Engelmann's hedgehog cactus, Echinocereus engelmannii)
0.58b  Enter forest of teddy-bear cholla, Opuntia bigelovii
0.60r29 fringed amaranthAmaranthus fimbriatus40 / 511
0.66l30 desert agaveAgave deserti20 / 931
0.66l31 ocotilloFouquieria splendens ssp. splendens5 / 349
0.72   Jct. old road that is now a horse trail
0.78r32 desert trumpetEriogonum inflatum1 / 138
0.78   Cross small wash with 2 branches
0.82   Jct. main Hellhole Canyon Trail; elevation ~950 feet (290 m); cross it and continue straight ahead to pick up this trail again
0.83r  (Old termite tube at base of dead plant; small-flowered fiddleneck, Amsinckia menziesii var. menziesii)
0.83l33 Nealley three-awnAristida purpurea var. nealleyi3 / 34
0.83l  Sign: "California Riding and Hiking Trail"
0.83b34~hairy-podded pepper-grassLepidium lasiocarpum var. lasiocarpum99 / 930
0.83r35 desert plantainPlantago ovata99 / 934
0.84l36 narrowleaf ditaxisDitaxis lanceolata50 / 930
0.84r37 yellow-headTrichoptilium incisum20 / 45
0.84r38spcombseedPectocarya sp.20 / 2 
0.84l39~desert woolly-starEriastrum eremicum ssp. eremicum99 / 919
0.85r40 six-weeks three-awnAristida adscensionis5 / 116
0.85l41?baby annual like suncupCamissonia sp.? /  
 l42 fish-hook cactusMammillaria dioica10 / 922
0.85r43 rock hibiscusHibiscus denudatus10 / 526
0.85l44 pebble pincushionChaenactis carphoclinia var. carphoclinia99 / 912
 r  (beavertail cactus, Opuntia basilaris var. basilaris)
0.89l45 thick-leaved ground cherryPhysalis crassifolia20 / 922
0.90b46 downy daleaDalea mollissima3 / 15
0.90l47 brittle spineflowerChorizanthe brevicornu var. brevicornu5 / 130
0.90b  Enter huge field of Chaenactis carphoclinia
 r  (Pima rhatany, Krameria erecta; California trixis, Trixis californica var. californica)
0.93l48 California fagoniaFagonia laevis20 / 925
0.97r49spfivewing spiderlingBoerhavia intermedia99 / 910
1.02   Trail jogs left
1.02r50 California barrel cactusFerocactus cylindraceus+3 / 341
1.02r51~bracted blazing starMentzelia involucrata5 / 320
1.03l ~(red brome, Bromus madritensis ssp. rubens)
1.04r52 Mojave ragwortSenecio mohavensis50 / 918
1.04b53 small-flowered fiddleneckAmsinckia menziesii var. menziesii20 / 215
1.05l54 Engelmann's hedgehog cactusEchinocereus engelmannii10 / 924
1.05l  (woolly lipfern, Cheilanthes parryi)
1.06l55 jojobaSimmondsia chinensis20 / 926
1.07l56 desert spike-mossSelaginella eremophila50 / 915
1.07l57 woolly lipfernCheilanthes parryi30 / 927
1.07l58~intermediate larkspurDelphinium parishii ssp. subglobosum10 / 313
1.07r59 beavertail cactusOpuntia basilaris var. basilaris10 / 946
1.09r60 rattlesnake weedDaucus pusillus20 / 331
1.10   Jct. ridgeline between two side-drainages; trail soon veers to right of ridgeline; small peak behind trail on ridge has a good view and many Mentzelia. Trail now zig-zags up the slope, using fairly tight switchbacks.
1.13l  (San Felipe dogweed, Adenophyllum porophylloides)
1.13l61 Pima rhatanyKrameria erecta20 / 914
1.18l  (Parish's viguiera, Viguiera parishii)
1.19r62 desert lotusLotus rigidus20 / 918
1.20l63~bajada lupineLupinus concinnus5 / 218
1.20r64~white fiesta flowerPholistoma membranaceum50 / 315
1.21r65 threadstemPterostegia drymarioides2 / 145
1.21r66 San Felipe dogweedAdenophyllum porophylloides20 / 928
1.22b67 *red bromeBromus madritensis ssp. rubens30 / 984
1.22l68 California trixisTrixis californica var. californica10 / 929
1.23r69 Parish's viguieraViguiera parishii20 / 928
1.26r70 white rhatanyKrameria grayi2 / 237
1.26r  (sweetbush, Bebbia juncea var. aspera)
1.27l71 broom twinberryMenodora scoparia10 / 61
1.27r  (big galleta, Pleuraphis rigida)
1.27b72 Coulter's lyrepodLyrocarpa coulteri var. palmeri5 / 38
1.27r  (Vasey's sage, Salvia vaseyi; California buckwheat, Eriogonum fasciculatum var. polifolium)
1.28l73~short-bannered coastal lotusLotus salsuginosus var. brevivexillus30 / 99
1.29l  Jct. steep use trail to fencepost and USGS Benchmark; trail elevation ~1330 feet (405 m)
1.30   Cross small drainage
1.31   Trail turns left 90°
1.32   Trail turns right 45°
1.34   Trail turns left 45°
1.34l74 *downy bromeBromus tectorum5 / 150
1.39   Switchback left
1.39r75 sweetbushBebbia juncea var. aspera20 / 953
1.40r76 California buckwheatEriogonum fasciculatum var. polifolium20 / 952
1.40r77 big galletaPleuraphis rigida5 / 343
1.41   Switchback right.
1.42r78~muillaMuilla maritima15 / 315
1.46l79 ayeniaAyenia compacta5 / 310
1.47r  (star-flowered bedstraw, Galium stellatum var. eremicum)
1.50r80~desert dudleyaDudleya saxosa ssp. aloides5 / 414
1.52l81 Arizona spurgeChamaesyce arizonica1 / 12
1.53r82 Vasey's sageSalvia vaseyi10 / 524
1.53r83 odoraPorophyllum gracile5 / 312
1.55r  Old termite tube at base of dead brittlebush, Encelia farinosa.
1.56r84 California juniperJuniperus californica+5 / 511
1.57   Trail forks, take right branch; trail now travels in a more open area; (left branch just goes to interestingly-looking rocks to left?)
1.60l  (spearleaf, Matelea parvifolia)
1.60r85 star-flowered bedstrawGalium stellatum var. eremicum4 / 417
1.60   Cross small drainage
1.61   Saddle; elevation ~1540 feet (470 m); jct. with old portion of trail that descends to S22 at milepost 16.0; curve right toward Culp Valley
1.65l  (California matchweed, Gutierrezia californica)
1.67r86 California matchweedGutierrezia californica20 / 538
1.69r87spheliotrope phacelia?Phacelia crenulata?1 / 1 
1.69   Switchback right.
1.70   Switchback left.
1.73   Switchback right.
1.75   Switchback left.
1.83r88?dead annual like silver puffs?1 / 1 
1.88   Switchback right; trail now heads a tiny bit north of due west for 0.16 miles
1.90r89spdesert needlegrass?Achnatherum speciosum??2 / 2 
1.91l90 *Bermuda grassCynodon dactylon+1 / 143
1.92r  (boundary goldenbush, Ericameria brachylepis)
1.94l91 Wright's buckwheatEriogonum wrightii var. nodosum20 / 420
2.12l92 red-gland spurgeChamaesyce melanadenia50 / 93
2.19b93 spearleafMatelea parvifolia2 / 15
2.26l  (Vasey's prickly-pear, Opuntia vaseyi)
2.34l  Check for different spike-moss
2.38r94 boundary goldenbushEricameria brachylepis10 / 511
2.45l95~apricot mallowSphaeralcea ambigua var. ambigua2 / 220
2.46l96 desert needlegrassAchnatherum speciosum1 / 112
2.46r97 catclawAcacia greggii5 / 347
2.46l98 beady lipfernCheilanthes covillei20 / 313
2.63r  (white mugwort, Artemisia ludoviciana ssp. albula)
2.63   Local high point on trail at saddle
2.68   Local low point on trail
2.71l99 western bernardiaBernardia myricifolia2 / 26
2.71l  (lotebush, Ziziphus parryi var. parryi)
2.74b100 desert sageSalvia eremostachya10 / 36
2.75l101 lotebushZiziphus parryi var. parryi5 / 25
2.77b102 desert apricotPrunus fremontii10 / 214
2.77l103 rush blue grassPoa secunda ssp. juncifolia5 / 18
2.79r  (woolly Indian paintbrush, Castilleja foliolosa)
2.79b104 shrubby brickelliaBrickellia frutescens10 / 22
2.80l105 woolly Indian paintbrushCastilleja foliolosa1 / 111
2.81   Join wash of this major side drainage
2.82l106 Vasey's prickly-pearOpuntia vaseyi5 / 237
2.83l  Check for different seedling with robust leaves
2.85   Leave wash; trail is marked by cairns
2.85l107 linear-leaved stillingiaStillingia linearifolia1 / 112
2.92l108 narrowleaf goldenbushEricameria linearifolia1 / 111
2.93l109 California spear-leaved brickelliaBrickellia arguta var. arguta1 / 15
2.94   Local high point on trail
2.94   Local low point on trail; now in wash again
2.98   Leave wash to right
3.04r110~Mormon teaEphedra aspera2 / 27
3.10   Saddle; elevation ~2580 feet (785 m); plant guide now gives species abundance for remaining trail, and there may be more specimens of previous species.
3.26l111 white mugwortArtemisia ludoviciana ssp. albula20 / 911
3.31l112sspBorrego bedstrawGalium angustifolium ssp. borregoense10 / 91
3.33l113 short-winged deerweedLotus scoparius var. brevialatus30 / 936
3.57r114 desert mistletoePhoradendron californicum20 / 938
3.74l  (Mohave yucca, Yucca schidigera)
3.81l115 desert scrub oakQuercus cornelius-mulleri20 / 95
3.82l116~little-leaved chaparral beard-tongueKeckiella antirrhinoides var. microphylla2 / 23
3.82l117?unk asteraceae with "stillingia" leaf? /  
4.04r118 birch-leaf mountain-mahoganyCercocarpus betuloides var. betuloides10 / 935
4.05l119 golden yarrowEriophyllum confertiflorum var. confertiflorum5 / 181
4.05l120 Mohave yuccaYucca schidigera5 / 220
4.16r121 slender buckwheatEriogonum gracile var. incultum30 / 97
4.20l122 Anderson's desert-thornLycium andersonii2 / 110
4.29r123 sugar bushRhus ovata30 / 938
4.50l124 bigberry manzanitaArctostaphylos glauca2 / 214
4.50l125?mustard family like jewelflowerCaulanthus sp.?1 / 1 
4.52l126~white-flowering currantRibes indecorum1 / 1 
4.52r  Check for different Boerhavia
4.58 127spannual phaceliaPhacelia like minor5 / 1 
4.60r ?(wild-cucumber?, Marah macrocarpus var. macrocarpus?)
4.67b128sppincushion flowerChaenactis with 1-pinnate leaf10 / 1 
4.90   High point on trail; elevation 3520 feet (1073 m)
5.31 129?unknown annual? /  
5.61 130spdaturaDatura sp.1 / 1 
5.66l131 papillate dodderCuscuta californica var. papillosa5 / 112
5.69 132 rattlesnake weedChamaesyce albomarginata10 / 214
5.70l133 *ripgut bromeBromus diandrus1 / 167
5.70l134~coyote melonCucurbita palmata1 / 16
5.70 135sspslender wreathplantStephanomeria exigua ssp. exigua20 / 422
5.70   End guide in Culp Valley at shaded sign mounted on a rock pillar: "Chaparral ... and the cycle of fire", almost next to the Montezuma Highway, S22; elevation 3330 feet (1015 m)
http://tchester.org/sd/plants/guides/anza_borrego/ca_rh_trl_hh.html
Last update: 6 January 2010.