Plant Guide to Mt. Hillyer Trail

This is a working list, about which we make no guarantees at all until we officially release it. Use at your own risk!

Introduction and Explanation of Plant Trail Guides

Highlights of This Trail
Fieldwork Dates and Summary of List Changes With Time
The Plant Guide
Comments On Specific Species


Highlights of This Trail

Number of Unique Taxa On This Trail

The following histogram gives the number of trails in our database that contain each taxon on this trail. We had 59 trails in our database when this histogram was made. A number of "1" means the taxon has only been found on this trail among the trails in our database.

Number of Trails
Containing A Taxon
Number Of Taxa
On This Trail
% of Taxa
On This Trail
Total Taxa75100%

We found 12 additional species not in the above table, since they have not been identified yet.

Fieldwork Dates and Summary of List Changes With Time

The following table gives the dates the trail was walked and taxa recorded. After each visit, the table gives the total number of taxa on the list and the breakdown of the taxa without positive identification. See Explanation of Plant Trail Guides to understand the symbols below.

Visit DateVisit ## taxa# "?"# "sp"# "~"# "ssp"Comments

The Plant Guide

MileS#id?Common NameLatin Name#here#all
0.00   Beginning of trail at Santa Clara Divide Road trailhead. Start plant guide on left side of wide road.
 l1?unk baby plant
 l2 squawbushRhus trilobata / 9
 l3 *ripgut bromeBromus diandrus / 28
 l5 southern miner's lettuceClaytonia perfoliata ssp. mexicana / 9
 l6 birch-leaf mountain-mahoganyCercocarpus betuloides var. betuloides / 13
 l7 California-asterLessingia filaginifolia var. filaginifolia / 29
 c  Posts blocking vehicle entrance to road.
 l8 Davidson's phaceliaPhacelia davidsonii / 2
 l9 Coulter pinePinus coulteri / 7
 l10 mountain sagebrushArtemisia tridentata ssp. vaseyana / 7
 l11 leafy daisyErigeron foliosus var. foliosus / 22
 l12 Modoc giliaGilia modocensis / 1
 l13 one-sided bluegrassPoa secunda ssp. secunda / 15
 l14 spear-leaved mountain dandelionAgoseris retrorsa / 6
 l15 goosefoot yellow violetViola purpurea ssp. quercetorum / 1
 l16spOrcutt's bromeBromus orcuttianus / 4
 l17spprostrate eriogonum
 l  Dead bush?
 l18 wild tarragonArtemisia dracunculus / 15
 l19 goldenrodSolidago californica / 17
    Road narrows - now do plants on both sides.
 r20 flannelbushFremontodendron californicum ssp. californicum / 6
 r21sspsmoothleaf yerba santaEriodictyon trichocalyx / 2
 l22 Jeffrey pinePinus jeffreyi / 11
 r23 western wallflowerErysimum capitatum ssp. capitatum / 7
 l24 cupped-leaf ceanothusCeanothus greggii var. perplexans / 6
 l25 chaparral honeysuckleLonicera interrupta / 3
 l26 Parry manzanitaArctostaphylos parryana / 4
 r27 interior live oakQuercus wislizenii var. frutescens / 5
 r28?unk pinnately-lobed leaf (nevin's bird's beak?)
 r29 common pussypawsCalyptridium monandrum / 7
 r30?Plagiobothrys sp.?
 r31 pale sun-cupCamissonia pallida ssp. pallida / 4
 r32 Davidson's buckwheatEriogonum davidsonii / 9
 r33 dwarf madiaMadia minima / 1
 r34 rusty-haired popcorn flowerPlagiobothrys collinus var. fulvescens / 1
 r35spgroundsmokeGayophytum diffusum ssp. parviflorum / 4
 l36 scarlet buglerPenstemon centranthifolius / 4
 l37?Achnatherum sp.?
 r38 chickweed oxythecaOxytheca caryophylloides / 1
 r39 cushion cryptanthaCryptantha circumscissa / 2
 r40?bigger Achnatherum sp.?
 l41spprickly cryptanthaCryptantha echinella / 3
 l42?Vulpia microstachys var pauciflora?
    GPS 1
 l43 canyon live oakQuercus chrysolepis / 11
 r  Jct. road to former Camp Rosanitas.
 r  Woodrat's nest about 20 feet high in tree.
    Leave shaded area.
 b44 chaparral yuccaYucca whipplei ssp. parishii / 10
 r45 oak mistletoePhoradendron villosum / 2
 r46 deer brushCeanothus integerrimus / 4
 r47 Fremont's monkeyflowerMimulus fremontii / 1
 r48 common linanthusLinanthus parviflorus / 2
 r49 Pacific fescueVulpia microstachys var. pauciflora / 2
 r50 purple-root cryptanthaCryptantha micrantha / 3
 r  (Caulanthus or Streptanthus sp.; baby Hulsea?; Eriogonum saxatile)
    GPS 2
 b51 San Bernardino rubber rabbitbrushChrysothamnus nauseosus ssp. bernardinus / 8
 r52 rock buckwheatEriogonum saxatile / 4
 r53spDavidson's lotusLotus nevadensis var. davidsonii / 4
 b54 broad-leaved lotusLotus crassifolius var. crassifolius / 3
 r  (Allium burlewii and Chaenactis santolinoides)
 l55 bigcone sprucePseudotsuga macrocarpa / 4
 c56spWright's buckwheatEriogonum wrightii / 1
    GPS 3
 l57 Burlew's onionAllium burlewii / 2
 l  (narrowleaf goldenbush, Ericameria linearifolia)2
 l58 pine green-gentianSwertia neglecta / 2
 l59sspnaked-stem bedstrawGalium angustifolium ssp. nudicaule / 1
 l60 santolina pincushionChaenactis santolinoides / 6
 l61?unk 20 seedlings in one spot.
 r62 Parish's lomatiumLomatium nevadense var. parishii / 1
 r63 low everlastingAntennaria dimorpha / 1
 l64sspinterior bush lupineLupinus excubitus var. johnstonii / 1
 l65?"Eriogonum - yellow/green lvs. Nev.?"
 l  Field of Burlew's onion, Allium burlewii, just before an old gnarled stump with a rock on it.
    Trail becomes steeper uphill and curves left.
    GPS 4
 r66 golden yarrowEriophyllum confertiflorum var. confertiflorum / 28
 l67sspsulphur buckwheatEriogonum umbellatum var. munzii / 4
 l68 sugar pinePinus lambertiana / 6
 l69 southern mule's earsWyethia ovata / 3
 r70 Parish's tauschiaTauschia parishii / 3
 l ?Some white-lobed Modoc gilia, Gilia modocensis, with more pointy lobes, here in a field of lavender-lobed ones.
 b71 Parish's larkspurDelphinium parishii ssp. parishii / 1
 r72 imbricate phaceliaPhacelia imbricata ssp. patula / 6
 r73 blue dicksDichelostemma capitatum ssp. capitatum / 22
    (Jane sample of a grass like Vulpia here)
 l  Jct. faint path to the knob called Mt. Hillyer on the topo map, about 500 feet to the east (GPS 5)
 r  (San Gabriel Mtns.Sunflower, Hulsea vestita ssp. gabrielensis, at base of boulders.)
 l74 bajada lupineLupinus concinnus / 6
 r  Giant boulder
 r75sspmountain California-fuchsiaEpilobium canum ssp. latifolium / 5
 l  Single big boulder.
 l76 San Gabriel Mtns. sunflowerHulsea vestita ssp. gabrielensis / 1
 l77 Bishop's lotusLotus strigosus / 15
 r  (scale-bud, Anisocoma acaulis; devil's lettuce, Amsinckia tessellata var. tessellata)1
 l78 scale-budAnisocoma acaulis / 2
 r79?Elymus sp.?
 r80?annual, rosetted, like cal aster
 r81 southern mountain woolly-starEriastrum densifolium ssp. austromontanum / 5
 r  Jct. blocked-off trail going backward.
    High point on trail (unnamed 6200 foot summit; NOT Mt. Hillyer!)
 r82 San Gabriel linanthusLinanthus concinnus / 1
 r83 desert collinsiaCollinsia callosa / 1
 l  Field of San Gabriel linanthus, Linanthus concinnus.
 l84 Grinnell's beardtonguePenstemon grinnellii var. grinnellii / 9
 b85 prickly cryptanthaCryptantha muricata / 10
    End guide.

Comments On Specific Species

We thank Michael Charters for his assistance on our field trip of 5/22/03.

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Copyright © 2003 by Jane Strong and Tom Chester.
Permission is freely granted to reproduce any or all of this page as long as credit is given to us at this source:
Comments and feedback: Jane Strong | Tom Chester
Updated 24 May 2003.