Checklist of Lower Willow Creek, San Jacinto Mountains

This is a plant checklist in traditional family order for the plants in Willow Creek from its junction with the Willow Creek Trail to the junction of Willow Creek with Tahquitz Creek. It consists of the species found in the surveys for W4 and W5 described in detail in A Quantitative Flora of Willow and Tahquitz Creeks. See that page for a map of the area, survey details, and the participants for each survey.

The following gives some basic information about this checklist.


An asterisk before the common name indicates a non-native species.

The columns labeled #Pls gives the number of plants of each species that were found in the surveys W4 and W5. The number is a minimum estimate of the number of plants, up to a maximum of 99 plants.

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)

#FamilScientific Name
Link goes to Jepson eFlora
(*)Common Name
Link goes to Calphotos
1DennsPteridium aquilinum var. pubescensbracken9999
2EquisEquisetum hyemale ssp. affinehorsetail9999
3PolypPolypodium hesperiumwestern polypody65
4WoodsAthyrium filix-femina var. cyclosorumsubarctic lady-fern401
5WoodsCystopteris fragilisbrittle bladder fern5010
6CupreCalocedrus decurrensincense-cedar1099
7PinacAbies concolorwhite fir9999
8PinacPinus jeffreyiJeffrey pine5099
9PinacPinus lambertianasugar pine10
10AdoxaSambucus nigra ssp. caeruleablue elderberry1
11ApiacSphenosciadium capitellatumranger's buttons10
12AsterAchillea millefoliumyarrow4050
13AsterArtemisia dracunculuswild tarragon5
14AsterCirsium vulgare*bull thistle31
15AsterCorethrogyne filaginifoliaCalifornia-aster99
16AsterEricameria nauseosa var. bernardinaSan Bernardino rubber rabbitbrush1
17AsterErigeron canadensishorseweed7
18AsterErigeron foliosus var. foliosusleafy daisy55
19AsterHieracium horridumprickly hawkweed3
20AsterPseudognaphalium thermaleslender everlasting9930
21AsterStephanomeria virgatatwiggy wreath plant20
22AsterTaraxacum officinale*common dandelion1
23BoragPhacelia mutabilischangeable phacelia5099
24BrassBoechera repandaYosemite rockcress22
25BrassBoechera retrofracta Xmountain rock-cress5
26BrassErysimum capitatum var. capitatumwestern wallflower103
27CapriSymphoricarpos rotundifolius var. parishiiParish's snowberry3
28CaryoSagina saginoidespearlwort5050
29CaryoSilene verecundawhite catch-fly403
30ChenoChenopodium atrovirensforest goosefoot5
31ChenoChenopodium fremontiiFremont's goosefoot992
32EricaArctostaphylos patulagreen-leaf manzanita30
33EricaPterospora andromedeapinedrops24
34EricaPyrola aphyllaleafless wintergreen1
35EricaPyrola picta s.l.white-veined wintergreen1
36EricaRhododendron occidentalewestern azalea5020
37EricaSarcodes sanguineasnow-plant53
38FabacAcmispon nevadensis var. nevadensisSierra Nevada lotus420
39FabacHosackia crassifolia var. crassifoliabroad-leaved lotus505
40FabacHosackia oblongifolia var. oblongifoliastreambank lotus3099
41FabacLupinus hyacinthinusSan Jacinto lupine9940
42FabacLupinus latifolius var. parishiiParish's lupine1
43FabacLupinus polyphyllus var. burkeibigleaf lupine25
44FabacTrifolium monanthum ssp. grantianummountain carpet clover9999
45FagacChrysolepis sempervirensbush chinquapin101
46FagacQuercus chrysolepiscanyon live oak51
47GeranGeranium californicumCalifornia geranium10
48GrossRibes cereum var. cereumwax currant1
49GrossRibes nevadensemountain pink currant5020
50GrossRibes roezlii var. roezliiSierra gooseberry205
51HyperHypericum anagalloidestinker's penny35
52LamiaMonardella nanashort-flowered monardella3050
53LamiaStachys rigidarigid hedge-nettle1099
54MontiMontia chamissoitoad lily2
55OnagrChamerion angustifolium ssp. circumvagumfireweed503
56OnagrEpilobium canum ssp. latifoliummountain California-fuchsia5050
57OnagrEpilobium ciliatumwillowherb1050
58OnagrEpilobium glaberrimum ssp. glaberrimumglaucus willowherb3099
59OnagrGayophytum oligospermumpinegrove groundsmoke9950
60OrobaCastilleja applegatei ssp. martiniiMartin's paintbrush5
61OrobaCastilleja miniata ssp. miniatagiant red paintbrush205
62OrobaPedicularis semibarbatapine lousewort4020
63PhrymMimulus cardinalisscarlet monkeyflower5099
64PhrymMimulus moschatusmusk monkeyflower9999
65PhrymMimulus pilosusfalse monkeyflower20
66PhrymMimulus tilingiilarger mountain monkeyflower3050
67PlantKeckiella rothrockii var. jacintensisSan Jacinto Mts. keckiella10
68PlantPenstemon grinnellii var. grinnelliiGrinnell's beardtongue99
69PlantPenstemon labrosusSan Gabriel beardtongue5
70PlantPenstemon rostriflorusbeaked penstemon3020
71PlantVeronica serpyllifolia ssp. humifusathyme-leaved speedwell10
72PolemAllophyllum divaricatumpurple false-gilia104
73PolemLinanthus pungensgranite prickly phlox3
74PolygEriogonum apiculatumSan Jacinto buckwheat20
75PolygEriogonum davidsoniiDavidson's buckwheat5
76PolygEriogonum nudum var. pauciflorumnaked buckwheat9920
77PolygEriogonum wrightii var. subscaposumWright's buckwheat99
78PolygRumex salicifoliuswillow-leaved dock1040
79RanunAquilegia formosawestern columbine5050
80RanunThalictrum fendleri var. fendleriFendler's meadow-rue501
81RhamnCeanothus cordulatusmountain whitethorn991
82RosacDrymocallis glandulosa var. viscidasticky cinquefoil2050
83RosacFragaria vescawoodland strawberry50
84RosacHorkelia clevelandii var. clevelandiiCleveland's horkelia510
85RosacPrunus emarginatabitter cherry4010
86RosacRubus parviflorusthimbleberry9950
87SalicSalix luteayellow willow301
88SalicSalix scoulerianaScouler's willow9910
89SaxifHeuchera hirsutissimashaggy-haired alumroot20
90ScropScrophularia californicaCalifornia bee plant1
91UrticUrtica dioica ssp. holosericeastinging nettle2050
92ViolaViola macloskeyismall white violet3099
93ViscaArceuthobium campylopodumfir dwarf-mistletoe10
94ViscaPhoradendron bolleanumfir mistletoe2
95CyperCarex fractafragile sheath sedge9999
96CyperCarex hoodiiHood's sedge1
97CyperCarex sentaswamp sedge9999
98JuncaJuncus longistylislong-styled rush2
99JuncaJuncus macrandruslong-anthered rush9920
100JuncaLuzula comosahairy wood rush1010
101LiliaLilium parryilemon lily9999
102OrchiCorallorhiza maculataspotted coralroot1
103PoaceAgrostis exarataspike bentgrass99
104PoaceAgrostis idahoensisIdaho bentgrass9999
105PoaceBromus halliiHall's brome20
106PoaceBromus richardsoniifringed brome1030
107PoaceBromus tectorum*downy brome99
108PoaceDeschampsia elongataslender hairgrass5099
109PoaceElymus elymoidessquirreltail510
110PoaceElymus glaucus ssp. glaucusblue wildrye4030
111PoaceElymus trachycaulus ssp. trachycaulusslender wheatgrass20
112PoaceGlyceria elatatall mannagrass9999
113PoaceMuhlenbergia andinafoxtail muhly1020
114PoacePoa fendleriana ssp. longiligulaFendler's blue grass17
115PoacePoa pratensis ssp. agassizensisKentucky blue grass1020
116PoaceStipa occidentalis var. pubescensElmer's needlegrass1
117PoaceTrisetum canescenstall trisetum1020

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Copyright © 2009-2018 by Tom Chester (3), Dave Stith (2), James Dillane (1), and William Schlegel (1). The number in parentheses is the number of surveys for sections of W4 or W5 done by each person.
Commercial rights reserved. Permission is granted to reproduce any or all of this page for individual or non-profit institutional internal use as long as credit is given to us at this source:
Comments and feedback: Tom Chester
Last update: 6 August 2019