Flora of Round and Tamarack Valleys, San Jacinto Mountains

For an introduction to this flora, see Flora of Tamarack, Round and Long Valleys.

See also Stream Bank Deposits in Round Valley Meadow.

For the subset of species in the flora given here that are found only in Round Valley, see Flora of Round Valley.

This flora has now been updated with the results of the 8/8/13 fieldwork, and has undergone a critical review of species on the list, both from old fieldwork and from vouchers, resulting in tossing some species. This flora gives abundances for species found in Round Valley Meadow, Round Valley as a whole, Tamarack Meadow and/or Tamarack Valley. The checklist also includes species observed in Long Valley. Species with no abundances given in any column were observed in Long Valley. For their abundances, see Flora of Long Valley.

Four species collected by Mary Spencer in 1923, that were said to be in Round Valley, were rejected as probably being on the west side of the mountain, at or near Little Round Valley: Calochortus invenustus, Dodecatheon redolens, Epilobium angustifolium ssp. circumvagum and Thalictrum fendleri, POM19844, POM19641, POM20023, and POM19795, respectively. D. redolens and E. angustifolium are not known from Round Valley, but do occur at or near Little Round Valley. In addition, the Thalictrum species in Round Valley Meadow is T. sparsiflorum, not T. fendleri.

Two vouchers determined as Poa secunda (UCR2712) and P. wheeleri (=P. nervosa; UCR2712) were rejected as being identical to the P. pratensis also vouchered from Round Valley Meadow. We have not specifically checked the determination of those plants, but they look just like the P. pratensis found ubiquitously at the higher elevations of San Jacinto. Whatever the actual determination, it is highly likely there is only one species, out of these three, actually present at Round Valley Meadow.

The last four columns give the number of plants, up to a maximum of 99, observed in Round Valley Meadow (column header RM); all of Round Valley, including Round Valley Meadow (RV); Tamarack Meadow (TM); and all of Tamarack Valley, including Tamarack Meadow (TV). If the species has been vouchered, but we have not seen it, the column contains V instead of a number.

The species found in each Meadow are those species growing in the Meadow itself, or in the area immediately adjacent to it, typically within something like several hundred feet. In the Round Valley Meadow Flora, we include the spring area just above it on its south, since the meadow plants extend continuously between that spring and the meadow.

Three species in the Round Valley Meadow flora were found only in that spring area, and not in the meadow proper: Carex heteroneura var. heteroneura, Osmorhiza chilensis and Platanthera leucostachys.

Some species have not had abundance estimates made for them yet, so their abundance is simply given as "1". Thus in the current version of this flora, species with an abundance estimate of "1" are ambiguous as to whether we observed just one species, or whether they just haven't had an abundance estimate made yet. In the vast majority of these cases, it is the latter, since it is very rare to find a single plant of a given species in a meadow.

Column headerFull Name for Column
RMRound Valley Meadow
RVRound Valley, including Round Valley Meadow
TMTamarack Meadow, including the moist drainage immediately below the Meadow.
TVTamarack Valley, including Tamarack Meadow.

Species with no entry in any of those columns were observed or vouchered elsewhere in Tamarack, Round and Long Valleys.

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#FamScientific Name(*)Common NameRMRVTMTV
1DenPteridium aquilinum var. pubescens bracken50999999
2DryCystopteris fragilis brittle bladder fern1010 1
3DryPolystichum scopulinum mountain holly fern    
4PolPolypodium hesperium western polypody   3
5PtePellaea mucronata var. californica California cliff-brake   1
6SelSelaginella asprella bluish spike-moss    
7SelSelaginella watsonii Watson's spike-moss 8 99
8PinAbies concolor white fir50993099
9PinPinus contorta ssp. murrayana lodgepole pine99999999
10PinPinus flexilis limber pine 502099
11PinPinus jeffreyi Jeffrey pine 21099
12PinPinus lambertiana sugar pine 30 19
13AceAcer glabrum var. diffusum mountain maple    
14ApiOsmorhiza chilensis mountain sweet-cicely10103030
15ApiPerideridia parishii Parish's yampah9999  
16ApiSphenosciadium capitellatum ranger's buttons50502020
17ApoApocynum androsaemifolium spreading dogbane    
18AstAchillea millefolium yarrow99999999
19AstAntennaria rosea rosy everlasting, pussytoes 999999
20AstArtemisia dracunculus wild tarragon99999999
21AstAster alpigenus var. andersonii alpine aster2020  
22AstChrysothamnus nauseosus ssp. bernardinus San Bernardino rubber rabbitbrush 303099
23AstEricameria cuneata var. cuneata rock goldenbush    
24AstErigeron breweri var. jacinteus San Jacinto Mtns. daisy   99
25AstGnaphalium luteo-album *common cudweed    
26AstGnaphalium palustre western marsh cudweed50501010
27AstHieracium horridum prickly hawkweed 30 40
28AstHulsea vestita ssp. callicarpha beautiful hulsea   50
29AstSolidago californica goldenrod 5 99
30BorCryptantha micrantha var. lepida mountain red-root cryptantha    
31BraArabis holboellii Holboell's rock-cress    
32BraArabis sp. nov. rock cress   16
33BraDraba corrugata var. saxosa Southern California rock draba   9
34BraErysimum capitatum ssp. capitatum western wallflower 502040
35BraLepidium virginicum var. pubescens wild pepper-grass    
36BraStreptanthus bernardinus Laguna Mtns. jewel-flower   2
37CapSymphoricarpos rotundifolius var. parishii Parish's snowberry50995099
38CarSagina saginoides pearlwort15152020
39CarSilene parishii Parish's campion 20 99
40CarSilene verecunda ssp. platyota white catch-fly 503035
41CarStellaria calycantha northern starwort4040  
42CheChenopodium atrovirens forest goosefoot10102020
43CheChenopodium fremontii Fremont's goosefoot 51010
44EriArctostaphylos patula green-leaf manzanita 101099
45EriChimaphila menziesii little prince's pine 1 1
46EriChimaphila umbellata pipsissewa   45
47EriOrthilia secunda one-sided wintergreenVV  
48EriPterospora andromedea pinedrops   1
49EriPyrola minor lesser wintergreenVV  
50EriRhododendron occidentale western azalea    
51EriSarcodes sanguinea snow-plant 1 1
52EupEuphorbia palmeri woodland spurge    
53FabLupinus hyacinthinus San Jacinto lupine50993099
54FabTrifolium monanthum var. grantianum mountain carpet clover99993030
55FagChrysolepis sempervirens bush chinquapin 991099
56FagQuercus chrysolepis canyon live oak    
57GerGeranium californicum California geranium5050  
58GroRibes cereum var. cereum wax currant10103030
59GroRibes montigenum mountain gooseberry9999 1
60GroRibes nevadense mountain pink currant    
61GroRibes roezlii var. roezlii Sierra gooseberry   14
62HydNemophila spatulata Sierra nemophila 10VV
63HydPhacelia mutabilis changeable phacelia99995050
64LamMonardella australis southern mountain-monardella 40599
65LamMonardella nana ssp. tenuiflora short-flowered monardella   99
66LamSalvia pachyphylla rose sage   99
67OnaEpilobium canum ssp. latifolium mountain California-fuchsia55 70
68OnaEpilobium ciliatum willowherb  3030
69OnaEpilobium ciliatum ssp. ciliatum willowherb   1
70OnaEpilobium ciliatum ssp. glandulosum glandular willowherb3030  
71OnaEpilobium oregonense slimstem willowweed1010  
72OnaGayophytum diffusum ssp. parviflorum groundsmoke10999999
73OnaGayophytum oligospermum pinegrove groundsmoke   1
74OroBoschniakia strobilacea California groundcone   1
75OroOrobanche fasciculata clustered broom-rape  15
76OroOrobanche parishii Parish's broom-rape  2755
77PhiPhiladelphus microphyllus little-leaf mock orange 28 50
78PolAllophyllum divaricatum purple false-gilia 1  
79PolAllophyllum gilioides ssp. violaceum dense false-gilia 1 1
80PolAllophyllum sp. false-gilia  1010
81PolLeptodactylon jaegeri San Jacinto prickly phlox 30 10
82PolLeptodactylon pungens granite prickly phlox 3 99
83PolEriogonum apiculatum San Jacinto buckwheat    
84PolEriogonum nudum var. pauciflorum naked buckwheat    
85PolPolygonum bistortoides western bistort3030  
86PolPolygonum douglasii ssp. douglasii Douglas' knotweed 1033
87PolRumex salicifolius var. salicifolius willow-leaved dock    
88PorCalyptridium monospermum pussy paws20999999
89PorCalyptridium parryi var. parryi Parry's sand cress V2020
90PorMontia chamissoi toad lily5050 V
91PriDodecatheon alpinum alpine shooting star5050  
92RanAquilegia formosa western columbine   6
93RanRanunculus alismifolius var. alismellus slender buttercup5050 V
94RanThalictrum fendleri var. fendleri Fendler's meadow-rue   1
95RanThalictrum sparsiflorum few-flowering meadow-rue9999  
96RhaCeanothus cordulatus mountain whitethorn3103050
97RhaRhamnus californica California coffeeberry    
98RhaRhamnus ilicifolia hollyleaf redberry    
99RosCercocarpus ledifolius curl-leaf mountain-mahogany   50
100RosHolodiscus microphyllus var. microphyllus mountain spray 20 60
101RosHorkelia clevelandii Cleveland's horkelia 1  
102RosIvesia saxosa rock ivesia    
103RosPotentilla glandulosa ssp. nevadensis Nevada cinquefoil20202020
104RosPotentilla rimicola cliff cinquefoil    
105RosPrunus emarginata bitter cherry 10 1
106RosRubus parviflorus thimbleberry    
107RubGalium angustifolium ssp. jacinticum San Jacinto Mtns. bedstraw   9
108RubGalium parishii Parish's bedstraw 60 99
109SalSalix scouleriana Scouler's willow202011
110SaxHeuchera hirsutissima shaggy-haired alumroot   70
111ScrCastilleja applegatei ssp. martinii Martin's paintbrush 1130
112ScrCastilleja miniata ssp. miniata giant red paintbrush  1010
113ScrCordylanthus nevinii Nevin's bird's beak    
114ScrKeckiella rothrockii var. jacintensis San Jacinto Mts. keckiella50992099
115ScrMimulus breweri Brewer's monkeyflower50501010
116ScrMimulus floribundus floriferous monkeyflower1010  
117ScrMimulus moschatus musk monkeyflower 19999
118ScrMimulus pilosus false monkeyflower   20
119ScrMimulus primuloides ssp. primuloides primrose monkeyflower99992020
120ScrMimulus suksdorfii Suksdorf's monkeyflower    
121ScrMimulus tilingii larger mountain monkeyflower99995050
122ScrPedicularis semibarbata pine lousewort 99 10
123ScrPenstemon grinnellii var. grinnellii Grinnell's beardtongue   25
124ScrPenstemon labrosus San Gabriel beardtongue 201099
125ScrVeronica serpyllifolia ssp. humifusa thyme-leaved speedwell1010  
126VioViola macloskeyi small white violet9999 V
127VioViola pinetorum ssp. pinetorum pine violet 20 V
128CypCarex abrupta abrupt-beak sedge9999  
129CypCarex fracta fragile sheath sedge599 10
130CypCarex heteroneura var. heteroneura vari-nerved sedge22 1
131CypCarex multicostata many-ribbed sedge V  
132CypCarex nebrascensis Nebraska sedge9999 V
133CypCarex rossii Ross' sedge1099 10
134CypCarex senta swamp sedge99995050
135CypCarex subfusca brown sedge11  
136CypEleocharis pauciflora few-flowered spikerush1010  
137JunJuncus duranii Duran's rush V  
138JunJuncus macrandrus long-anthered rush999922
139JunJuncus mexicanus Mexican rush5050 1
140JunLuzula comosa hairy wood rush101055
141LilAllium burlewii Burlew's onion 99  
142LilAllium campanulatum dusky onion 99  
143LilCalochortus invenustus plain mariposa lily   99
144LilVeratrum californicum var. californicum California corn lily99994040
145OrcCephalanthera austiniae phantom orchid V  
146OrcCorallorhiza maculata spotted coralroot 1 1
147OrcPlatanthera leucostachys white bog orchid1010  
148PoaAchnatherum occidentale ssp. occidentale western needlegrass 30 1
149PoaAchnatherum parishii Parish's needlegrass   20
150PoaAgrostis idahoensis Idaho bentgrass99993030
151PoaAgrostis scabra rough bentgrass    
152PoaBromus carinatus var. carinatus California brome  11
153PoaBromus richardsonii fringed brome 20 3
154PoaBromus tectorum *downy brome   16
155PoaDeschampsia elongata slender hairgrass9999 1
156PoaElymus elymoides squirreltail 40 30
157PoaElymus glaucus blue wildrye  5050
158PoaElymus trachycaulus slender wheatgrass5050 V
159PoaFestuca rubra red fescue    
160PoaGlyceria elata tall mannagrass9999  
161PoaMuhlenbergia filiformis pullup muhly    
162PoaMuhlenbergia richardsonis mat muhly99992020
163PoaPhleum alpinum mountain timothy9999  
164PoaPhleum pratense *timothy    
165PoaPoa bolanderi Bolander's blue grass   V
166PoaPoa fendleriana ssp. longiligula Fendler's blue grass   3
167PoaPoa pratensis ssp. agassizensis Kentucky blue grass4040 V


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Copyright © 2008-2013 by Tom Chester, Dave Stith, Adrienne Ballwey and Anne Kelly
Permission is freely granted to reproduce any or all of this page as long as credit is given to us at this source:
http://tchester.org/sb/plants/floras/round_and_tamarack_valleys.html
Comments and feedback: Tom Chester
Last update: 12 August 2013 (link to Stream Deposits in Round Valley Meadow added 13 September 2013)