Plant Guide to Marion Mountain Trail Area, San Jacinto Mountains

The plant guide uses the 2012 second edition Jepson Manual names.

See Explanation of Plant Trail Guides for an explanation of the column headers. In this guide, all species are numbered, even though some of them might be some 50 feet or so from the trail, since all can be easily reached from the trail. The abundance estimates for each species include all plants that can be easily seen from the trail, as well as the campground road.

Also see Checklist in Family Order with links to the Jepson Manual eFlora and Calphotos.

Version for printing, without lines and other text on this page: html (4 pages) or pdf Clickbook booklet (1 double-sided page). (See printing instructions for an explanation of these options)

MileS#id?Common NameScientific Name#Pls
The first two species are found only in the vicinity of the parking area
-1spike bentgrassAgrostis exarata10 / 1
-2Sonoran rushJuncus effusus ssp. austrocalifornicus30 / 1
The next two species are only found in the vicinity of the campground
-3chickweed oxythecaSidotheca caryophylloides30 / 1
-4Davidson's buckwheatEriogonum davidsonii70 / 1
The next species is vouchered from the trail, but has not yet been seen
?5vari-nerved sedgeCarex heteroneuraV /
0.00Trailhead
0.006Sierra Nevada lotusAcmispon nevadensis var. nevadensis50 / 5
0.00r7pink-bracted manzanitaArctostaphylos pringlei ssp. drupacea57 / 2
0.00l8sugar pinePinus lambertiana99 / 9
0.00l9incense-cedarCalocedrus decurrens99 / 9
0.00b10ponderosa pinePinus ponderosa var. pacifica99 / 7
0.00b11canyon live oakQuercus chrysolepis99 / 9
0.00b12oak mistletoePhoradendron serotinum ssp. tomentosum80 / 5
0.00lJct. shortcut trail
0.03l13Coulter pinePinus coulteri3 / 1
0.03l14pinedropsPterospora andromedea10 / 3
0.07b15Nevin's bird's beakCordylanthus nevinii99 / 7
0.07r16broad-leaved lotusHosackia crassifolia var. crassifolia30 / 5
0.07b17white firAbies concolor99 / 9
0.07r18goldenrodSolidago velutina ssp. californica50 / 5
0.07Switchback left
0.0719groundsmokeGayophytum diffusum ssp. parviflorum99 / 9
0.0720*rattail fescueFestuca myuros10 / 1
0.07r21forest sedgeCarex multicaulis6 / 3
0.0722mountain red-root cryptanthaCryptantha micrantha var. lepida20 / 1
0.0723splendid giliaSaltugilia splendens ssp. splendens20 / 2
0.0724whisker-brushLeptosiphon ciliatus50 / 1
0.13r25San Jacinto Mtns. bedstrawGalium angustifolium ssp. jacinticum99 / 5
0.14r26beaked penstemonPenstemon rostriflorus99 / 9
0.1427western wallflowerErysimum capitatum var. capitatum99 / 9
0.17Switchback right
0.19b28incense-cedar mistletoePhoradendron juniperinum91 / 4
0.24l29fir mistletoePhoradendron bolleanum15 / 3
0.24Switchback left
0.24r30mountain California-fuchsiaEpilobium canum ssp. latifolium99 / 9
0.28Trail curves right
0.34r31wax currantRibes cereum var. cereum50 / 3
0.35Cross dirt road
0.35r32false monkeyflowerMimulus pilosus99 / 7
0.35r33Jones' prickly-nut cryptanthaCryptantha muricata var. jonesii1 / 1
0.40l34mountain whitethornCeanothus cordulatus99 / 9
0.40lJct. use trail from Campground
0.42l35California black oakQuercus kelloggii35 / 9
0.46rJct. Stone Creek Trail
0.46l36deergrassMuhlenbergia rigens30 / 1
0.48b37Scouler's willowSalix scouleriana81 / 5
0.48r38western azaleaRhododendron occidentale99 / 5
0.4839floriferous monkeyflowerMimulus floribundus99 / 4
0.51r40fragile sheath sedgeCarex fracta99 / 9
0.53r41sticky cinquefoilDrymocallis glandulosa var. viscida99 / 5
0.5342sulphur buckwheatEriogonum umbellatum var. munzii10 / 3
0.5343slender everlastingPseudognaphalium thermale6 / 4
0.53l44white-veined wintergreenPyrola picta10 / 5
0.5345pine cryptanthaCryptantha simulans10 / 1
0.5446snow-plantSarcodes sanguinea20 / 3
0.56r47San Bernardino rubber rabbitbrushEricameria nauseosa var. bernardina15 / 5
0.5948*sow thistleSonchus oleraceus1 / 1
0.60b49short-flowered monardellaMonardella nana99 / 9
0.62r50Grinnell's beardtonguePenstemon grinnellii var. grinnellii99 / 5
0.62r51white catch-flySilene verecunda50 / 5
0.6252pine lousewortPedicularis semibarbata50 / 5
0.64r53naked buckwheatEriogonum nudum var. pauciflorum85 / 5
0.6954twiggy wreath plantStephanomeria virgata1 / 1
0.70r55Martin's paintbrushCastilleja applegatei ssp. martinii10 / 5
0.77r56*downy bromeBromus tectorum3 / 1
0.78r57mountain pink currantRibes nevadense99 / 7
0.82l58thimbleberryRubus parviflorus50 / 4
0.82l59scarlet monkeyflowerMimulus cardinalis17 / 2
0.8360little prince's pineChimaphila menziesii30 / 5
0.83r61western columbineAquilegia formosa20 / 5
0.83b62brackenPteridium aquilinum var. pubescens99 / 5
0.9063forest mariposa lilyCalochortus invenustus50 / 5
0.90r64Parish's lupineLupinus latifolius var. parishii50 / 4
0.90r65fringed bromeBromus richardsonii10 / 2
0.90l66changeable phaceliaPhacelia mutabilis99 / 4
0.9067spotted coralrootCorallorhiza maculata20 / 4
0.90l68forest goosefootChenopodium atrovirens50 / 4
0.9069lemon lilyLilium parryi11 / 1
0.91l70California wild roseRosa californica4 / 1
0.9371purple false-giliaAllophyllum divaricatum50 / 3
0.96b72white hawkweedHieracium albiflorum30 / 2
0.9673glaucus willowherbEpilobium glaberrimum ssp. glaberrimum10 / 2
0.98b74giant red paintbrushCastilleja miniata ssp. miniata30 / 4
1.01r75long-styled rushJuncus longistylis99 / 1
1.02b76blue elderberrySambucus nigra ssp. caerulea5 / 3
1.0377Jeffrey pinePinus jeffreyi99 / 7
1.07lJct. use trail to rock slab overlook
1.12Cross first major drainage
1.1278larger mountain monkeyflowerMimulus tilingii15 / 3
1.1279Brewer's monkeyflowerMimulus breweri99 / 3
1.1280scattered blazing starMentzelia dispersa99 / 5
1.1281common monkeyflowerMimulus guttatus1 / 1
1.1682Wright's buckwheatEriogonum wrightii var. membranaceum10 / 2
1.17Switchback right
1.18l83squirreltailElymus elymoides3 / 1
1.18Switchback left; the many subsequent switchbacks are not recorded
1.29r84bush chinquapinChrysolepis sempervirens99 / 5
1.34rSign: Mt. San Jacinto State Park Wilderness
1.59bBest spot for Parish's lupine, Lupinus latifolius var. parishii
1.61l85granite prickly phloxLinanthus pungens8 / 1
1.63r86pipsissewaChimaphila umbellata99 / 1
1.63r87Parish's campionSilene parishii2 / 2
1.65l88mat muhlyMuhlenbergia richardsonis20 / 2
1.6989San Jacinto lupineLupinus hyacinthinus99 / 2
1.69b90bitter cherryPrunus emarginata50 / 3
1.7291green-leaf manzanitaArctostaphylos patula70 / 4
1.74r92pinegrove groundsmokeGayophytum oligospermum1 / 1
1.81Trail now parallels second major drainage
1.8193Idaho bentgrassAgrostis idahoensis20 / 1
1.8194ranger's buttonsSphenosciadium capitellatum4 / 1
1.81l95Fendler's meadow-rueThalictrum fendleri var. fendleri30 / 5
1.81l96Cleveland's horkeliaHorkelia clevelandii var. clevelandii50 / 3
1.8197abrupt-beak sedgeCarex abrupta1 / 1
1.81l98slender hairgrassDeschampsia elongata10 / 2
1.8199pearlwortSagina saginoides1 / 1
1.81100Duran's rushJuncus duranii15 / 1
1.81101Ross' sedgeCarex rossii1 / 1
1.81102Nevada cinquefoilDrymocallis lactea var. lactea10 / 2
1.81103green miner's lettuceClaytonia parviflora ssp. viridis10 / 1
1.81104brittle bladder fernCystopteris fragilis20 / 1
1.81105musk monkeyflowerMimulus moschatus30 / 2
1.81106southern Sierra phaceliaPhacelia austromontana50 / 3
1.81107Suksdorf's monkeyflowerMimulus suksdorfii50 / 1
1.81108California everlastingPseudognaphalium californicum1 / 1
1.86l109blue wildryeElymus glaucus ssp. glaucus30 / 5
2.04l110Sierra gooseberryRibes roezlii var. roezlii20 / 2
2.11l111mountain holly fernPolystichum scopulinum5 / 1
2.11l112prickly hawkweedHieracium horridum1 / 1
2.11113Hall's bromeBromus hallii3 / 1
2.12r114mountain sprayHolodiscus discolor var. microphyllus3 / 1
2.19115pine violetViola pinetorum ssp. pinetorum10 / 1
2.40r116pussy pawsCalyptridium monospermum30 / 1
2.42r117lodgepole pinePinus contorta ssp. murrayana1 / 1
2.42l118limber pinePinus flexilis1 / 1
2.44Jct. PCT


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Copyright © 2010-2018 by Tom Chester, Dave Stith, Mike Crouse, James Dillane, Keir Morse, and Nancy Accola.
Permission is freely granted to reproduce any or all of this page as long as credit is given to us at this source:
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Comments and feedback: Tom Chester
Updated 26 September 2018.