Flora of the Quinn Flat / Kenworthy area of Garner Valley, San Jacinto Mountains

Fig. 1. Top row: Abronia villosa var. aurita, hairy sand verbena, taken 14 June 2019, showing the eastern end of Thomas Mountain on the ridgeline. Second row: Lewisia rediviva var. minor, bitter root, taken on 24 April 2017. Third row: Left: Penstemon californicus, California penstemon, taken on 27 April 2016. Right: Boechera johnstonii, Johnston's rock cress, taken on 5 March 2017.
See also Field of goldfields, Lasthenia gracilis, taken on 24 April 2018.
All photographs © Bruce Watts; all rights reserved. Click on the pictures for larger versions.

The Quinn Flat / Kenworthy Area is a rich and interesting area for plants despite being a basically-flat area with an elevation range of only 150 feet, from 4450 to 4600 feet, in most of its area, with a small area extending 200 feet higher in elevation, to 4800 feet. Its diversity is due primarily to the low hills of the Bautista Formation, which provide slopes facing all points of the compass, as well as old remnant surfaces that host rare plants such as Boechera johnstonii, Johnston's rock cress; and Penstemon californicus, California penstemon.

The boundary for our Quinn Flat / Kenworthy Area Flora is shown in Fig. 2, along with the areas we have surveyed. The boundary on the northeast was set to include all areas easily accessed from trailheads in the Quinn Flat / Kenworthy area. It turned out that the 4600 foot contour matched well the easily-accessed area from Quinn Flat, but the easily-accessed area near the Kenworthy Fire Station extends to almost 4800 feet, primarily because the elevation along SR74 is 200 feet higher in that area.

Fig. 2. The boundary for the Quinn Flat / Kenworthy Area Flora is outlined in black. The southwestern boundary is SR74, the Palms to Pines Highway. The northeastern boundary is the 4600 foot elevation contour except in the Kenworthy area, where the boundary rises to the 4800 foot elevation contour. Short connections on the northwest and southeast close off the area. The red solid and dashed lines represent some of our surveys in this area. The area to the southwest of SR74 is in the Ramona Trail floral area.

Fig. 3 shows where we have GPS points for species, excluding the GPS points for a few targeted species such as Boechera johnstonii that have hundreds of GPS points. As of 26 May 2018, we have 475 species GPS points. Unfortunately, in our survey of the Kenworthy area on 26 May 2012, no GPS points were taken, so some species observed only in that survey do not yet have GPS points.

Fig. 3. The red dots show the locations where we have taken GPS points for observed species.

The 475 species GPS points are of 258 separate species. 118 species have just a single point; 94 species have two points; and 46 species have three to eight points. We have observed 301 species, so 43 observed species do not yet have GPS points.

Our survey coverage shown in Fig. 2 is much more extensive than represented by the GPS points in Fig. 3, since we generally take only a single point for each species the first time we encounter it. Fig. 3 gives some idea of where the diversity in species are. The combination of Figs. 2 and 3 show where it might be profitable to target future surveys.

See also The 2016 Bruce Watts Census of Boechera johnstonii, Johnston's rock cress.

The Checklist

The following gives some basic information about this checklist.


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

This list has been compiled from vouchers, and from three surveys done in the Quinn Flat / Kenworthy area specifically to record the taxa seen, as well as literally hundreds of surveys by Bruce Watts to explore the flora of this area.

The column #V gives the number of vouchers, truncated at 9, in the Quinn Flat / Kenworthy area. Due to the imprecision of the locality for some vouchers, some vouchered species are probably not actually present in this area. In particular, the "town" of Kenworthy was formerly present where the community of Thomas Mountain is now, at the mouth of Pipe Creek, which is just outside our floral boundary. Hence some of the vouchers with just Kenworthy in their locality may have been taken from there.

The column labeled #Pls gives a minimum estimate of the number of plants from the field surveys in the area east of Quinn Flat to Kenworthy, up to a maximum of 99 plants, for species seen in the field surveys for which abundances were noted. A few species have no abundance estimates, with an x indicating a species observed by Bruce Watts and JZ a species observed by Jordan Zylstra.

Version for printing, without the other text on this page: html (10 pages) or pdf Clickbook booklet (3 double-sided pages). (See printing instructions for an explanation of these options)

#FamScientific Name
Link goes to the Jepson eFlora
(*)Common Name
Link goes to Calphotos
1EquEquisetum laevigatumsmooth scouring rush499
2MarMarsilea vestita ssp. vestitaclover fern 2
3PteCheilanthes covilleibeady lipfern130
4PtePellaea mucronata var. mucronatabird's-foot fern16
5PtePentagramma triangularis ssp. triangularisgoldback fern 5
6PinPinus coulteriCoulter pine 1
7PinPinus jeffreyiJeffrey pine 99
8PinPinus quadrifoliaParry pinyon pine260
9AdoSambucus nigra ssp. caeruleablue elderberry 2
10AmaAmaranthus powelliiPowell's amaranth 1
11AnaRhus aromaticabasketbush 99
12ApiLomatium dasycarpum ssp. dasycarpumwoolly-fruited lomatium399
13ApiLomatium mohavenseMojave lomatium399
14ApiLomatium utriculatumcommon lomatium124
15ApiSanicula tuberosatuberous sanicle210
16ApiTauschia parishiiParish's tauschia299
17ApoAsclepias californicaCalifornia milkweed37
18ApoAsclepias eriocarpaIndian milkweed1 
19ApoAsclepias fascicularisnarrow-leaf milkweed199
20AstAchillea millefoliumyarrow 99
21AstAgoseris grandiflora var. grandifloragrand mountain dandelion1 
22AstAgoseris heterophyllaannual agoseris399
23AstAgoseris retrorsaspear-leaved mountain dandelion399
24AstAmbrosia acanthicarpabur-ragweed 99
25AstAmbrosia confertiflora or A. psilostachyaperennial ragweed 99
26AstAnisocoma acaulisscale-bud199
27AstArtemisia douglasianamugwort 99
28AstArtemisia dracunculuswild tarragon199
29AstArtemisia ludoviciana ssp. incomptamountain mugwort199
30AstArtemisia tridentatabig sagebrush299
31AstBaccharis salicifolia ssp. salicifoliamule fat 3
32AstBaccharis sergiloidesdesert baccharis299
33AstBrickellia californicaCalifornia brickellbush114
34AstCentaurea melitensis*tocalote230
35AstChaenactis glabriuscula var. lanosawoolly yellow chaenactis499
36AstChaenactis parishiiParish's chaenactis2 
37AstCirsium occidentale var. californicumCalifornia thistle499
38AstCirsium scariosum var. citrinummeadow thistle199
39AstCirsium vulgare*unk thistle 20?
40AstCorethrogyne filaginifoliaCalifornia-aster 99
41AstDeinandra mohavensisMojave tarplant 99
42AstDieteria asteroideshoary aster150
43AstEncelia actoniActon encelia150
44AstEricameria cuneata var. spathulatawide-leaved rock goldenbush199
45AstEricameria linearifolianarrowleaf goldenbush22
46AstEricameria nauseosa var. oreophilathreadleaf common rabbitbrush 1
47AstEricameria pinifoliapine goldenbush399
48AstErigeron breweri var. covilleiCoville's fleabane299
49AstErigeron canadensishorseweed 6
50AstErigeron divergensspreading fleabane599
51AstErigeron foliosus var. foliosusleafy daisy 99?
52AstEriophyllum confertiflorum var. confertiflorumgolden yarrow299
53AstEriophyllum wallaceiWallace's woolly daisy 20
54AstGnaphalium palustrewestern marsh cudweed199
55AstGutierrezia sarothraematchweed199
56AstHelianthus gracilentusslender sunflower 2
57AstHeterotheca sessiliflorafalse goldenaster499
58AstHulsea vestita ssp. callicarphabeautiful hulsea317
59AstHymenopappus filifolius var. lugenssouthern mountain cutleaf599
60AstIsocoma acradenia var. eremophilasolitary-leaved alkali goldenbush110
61AstLactuca serriola*prickly lettuce 6
62AstLasthenia gracilisgoldfields199
63AstLayia glandulosawhite tidy-tips1 
64AstLayia platyglossacommon tidy-tips799
65AstLepidospartum squamatumscale-broom 99
66AstLessingia glandulifera var. glanduliferasticky lessingia299
67AstLogfia filaginoidesCalifornia filago 5
68AstMalacothrix californicaCalifornia dandelion280
69AstMatricaria discoidea*pineapple weed299
70AstPentachaeta aureagolden daisy599
71AstPseudognaphalium beneolensfragrant everlasting 4
72AstPseudognaphalium californicumCalifornia everlasting 3
73AstSenecio flaccidus var. douglasiibush senecio 3
74AstSolidago velutina ssp. californicagoldenrod199
75AstSonchus asper ssp. asper*prickly sow thistle16
76AstStephanomeria exigua ssp. deaneislender wreathplant 99
77AstStephanomeria virgatatwiggy wreath plant 10
78AstStylocline gnaphaloideseverlasting nest-straw 35
79AstSymphyotrichum ascendenslong-leaved aster299
80AstSyntrichopappus lemmoniiLemmon's syntrichopappus499
81AstTaraxacum officinale*common dandelion14
82AstTetradymia comosacotton-thorn 99
83AstUropappus lindleyisilver puffs250
84AstWyethia ovatasouthern mule's ears399
85BerBerberis aquifolium var. dictyotaCalifornia barberry126
86BorAmsinckia intermediacommon fiddleneck 10
87BorCryptantha intermedia var. intermediapopcorn flower499
88BorCryptantha micrantha var. lepidamountain red-root cryptantha299
89BorCryptantha muricata var. denticulataprickly-nut cryptantha 99
90BorCryptantha muricata var. jonesiiJones' prickly-nut cryptantha330
91BorEmmenanthe penduliflora var. penduliflorawhispering bells1 
92BorNemophila menziesii var. menziesiibaby blue eyes 99
93BorPectocarya penicillatacombseed299
94BorPectocarya setosamoth combseed399
95BorPhacelia brachylobashort-lobed phacelia110
96BorPhacelia davidsoniiDavidson's phacelia 4
97BorPhacelia distanscommon phacelia210
98BorPhacelia imbricata var. patulaimbricate phacelia1 
99BorPhacelia minorwild canterbury bells x
100BorPhacelia ramosissimabranching phacelia 1
101BorPlagiobothrys collinus var. fulvescensCalifornia popcorn flower 99
102BorPlagiobothrys collinus var. ursinusBear Valley popcorn flower199
103BorPlagiobothrys tenellusslender popcorn flower199
104BraAthysanus pusillusdwarf athysanus 15
105BraBoechera californicaCalifornia elegant rock-cress 35
106BraBoechera johnstoniiJohnston's rock cress999
107BraBoechera retrofracta Xmountain rock-cress1 
108BraDescurainia adenophorawhite tansy-mustard2 
109BraDescurainia incanasoft mountain tansy-mustard1 
110BraDescurainia pinnatawestern tansy-mustard260
111BraDescurainia sophia*herb sophia299
112BraDraba verna*spring draba199
113BraErysimum capitatum var. capitatumwestern wallflower 99
114BraHirschfeldia incana*shortpod mustard 99
115BraLepidium virginicumwild pepper-grass699
116BraNasturtium officinalewater cress 50
117BraSisymbrium altissimum*tumble-mustard 99
118BraSisymbrium irio*London rocket 50
119BraThysanocarpus curvipesfringe-pod 1
120BraTurritis glabratower mustard199
121CacCylindropuntia californica var. parkericane cholla12
122CacEchinocereus engelmanniiEngelmann's hedgehog cactus599
123CacOpuntia chloroticapancake prickly-pear23
124CacOpuntia engelmannii var. engelmanniiEngelmann prickly-pear140
125CacOpuntia phaeacanthadesert prickly-pear130
126CacOpuntia polyacantha var. erinaceaMojave prickly-pear 99
127CamGithopsis diffusa ssp. candidawhite bluecup 5
128CamGithopsis diffusa ssp. diffusaSan Gabriel bluecup1 
129CamNemacladus longiflorus var. longiflorusthread plant120
130CamNemacladus ramosissimusNuttall's nemacladus120
131CapLonicera subspicata var. denudatasouthern honeysuckle130
132CapSymphoricarpos albus var. laevigatussnowberry399
133CarCerastium glomeratum*mouse-ear chickweed 10
134CarEremogone ferrisiaeFerris' sandwort999
135CarMinuartia douglasiiDouglas' sandwort3 
136CarMinuartia pusillaannual sandwort1 
137CheAtriplex canescens var. canescensfour-wing saltbush 99
138CheChenopodium atrovirensforest goosefoot 1
139CheChenopodium californicumCalifornia goosefoot625
140CheChenopodium fremontiiFremont's goosefoot 99
141CheSalsola tragus*Russian thistle 99
142ConCalystegia occidentalis ssp. fulcratawestern morning-glory 99
143ConConvolvulus arvensis*field bindweed2 
144ConCuscuta californica var. papillosapapillate dodder 30
145CorCornus glabratabrown dogwood 99
146CraCrassula connatapygmy-weed 1
147CraDudleya abramsii ssp. abramsiiAbrams' dudleya640
148CraDudleya saxosa ssp. aloidesdesert dudleya199
149CucCucurbita foetidissimastinking gourd 10
150ElaElatine californicaCalifornia waterwort2 
151EriArctostaphylos glaucabigberry manzanita599
152EriArctostaphylos pungensMexican manzanita940
153EupChamaesyce albomarginatarattlesnake weed299
154EupChamaesyce polycarpasmall-seeded spurge1 
155EupChamaesyce serpyllifolia ssp. serpyllifoliathyme-leafed spurge 1
156EupCroton californicusCalifornia croton 2
157FabAcmispon americanus var. americanusSpanish clover230
158FabAcmispon argophyllus var. argophyllussouthern California silver-lotus11
159FabAcmispon glaber var. brevialatusshort-winged deerweed 20
160FabAcmispon heermannii var. heermanniisilky lotus 99
161FabAcmispon nevadensis var. nevadensisSierra Nevada lotus2 
162FabAcmispon strigosusstrigose lotus 99
163FabAmorpha fruticosawestern false-indigo225
164FabAstragalus douglasii var. parishiiParish' Jacumba milk-vetch 99
165FabAstragalus filipestangled milk-vetch760
166FabLathyrus vestituscommon Pacific pea21
167FabLupinus bicolordwarf lupine299
168FabLupinus concinnus ssp. optatusshowy bajada lupine199
169FabLupinus excubitus var. austromontanusmountain grape-soda lupine199
170FabLupinus formosuswestern lupine299
171FabLupinus latifolius var. parishiiParish's lupine1 
172FabMedicago minima*burclover160
173FabMelilotus indicus*sourclover 99
174FabTrifolium albopurpureumIndian clover299
175FabTrifolium gracilentumpin-point clover6 
176FabTrifolium willdenoviitomcat clover 1
177FagQuercus acutidensTorrey's scrub oak 1
178FagQuercus berberidifoliascrub oak4 
179FagQuercus cornelius-mulleridesert scrub oak 1
180FagQuercus palmeriPalmer's oak520
181FagQuercus wislizeni var. frutescensinterior live oak110
182GarGarrya flavescensashy silk tassel13
183GenFrasera parryiParry's green-gentian599
184GenZeltnera venustacanchalagua1 
185GerErodium cicutarium*redstem filaree 99
186LamLamium amplexicaule*henbit 1
187LamMonardella linoides ssp. linoidesnarrowleaf monardella999
188LamSalvia apianawhite sage 8
189LamSalvia columbariaechia535
190LamStachys rigidarigid hedge-nettle 99
191LamTrichostema parishiiParish's bluecurls120
192LinLinum lewisii var. lewisiiLewis' flax399
193LoaMentzelia dispersascattered blazing star1 
194LoaMentzelia montanamountain blazing star1~5
195LoaMentzelia veatchianaVeatch's blazing star2 
196MalMalacothamnus fasciculatuschaparral bush mallow 1
197MalSidalcea sparsifoliacheckerbloom199
198MalSphaeralcea ambigua var. rugosadesert globemallow199
199MolMollugo cerviana*carpet-weed1 
200MonCalyptridium monandrumsand cress 75
201MonClaytonia parviflora ssp. parvifloranarrow-leaved miner's lettuce 99
202MonLewisia rediviva var. minorbitter root599
203NycAbronia villosa var. auritahairy sand verbena399
204NycMirabilis albidadwarf four-o'clock299
205NycMirabilis multiflora var. pubescensgiant four o'clock220
206OnaCamissonia strigulosastrigose suncup360
207OnaCamissoniopsis bistortasouthern suncup 5
208OnaCamissoniopsis confusaSan Bernardino suncup150
209OnaCamissoniopsis hirtellafield suncup1 
210OnaClarkia purpurea ssp. quadrivulnerapurple clarkia2 
211OnaEpilobium canum ssp. latifoliummountain California-fuchsia199
212OnaOenothera californica ssp. californicaCalifornia evening-primrose 99
213OroCastilleja applegatei ssp. martiniiMartin's paintbrush 99
214OroCastilleja densiflora ssp. gracilisgraceful owl's-clover1 
215OroCastilleja exserta ssp. exsertapurple owl's-clover799
216OroCastilleja miniata ssp. miniatagiant red paintbrush11
217OroCastilleja minor ssp. spiralislesser paintbrush2 
218OroCordylanthus rigidus ssp. setigerbristly bird's beak999
219OroOrobanche bulbosachaparral broomrape 1
220OroOrobanche californica ssp. feudgeiCalifornia broomrape 3
221OroOrobanche fasciculataclustered broomrape120
222PapArgemone munitaprickly poppy199
223PapPlatystemon californicuscream cups399
224PhrMimulus androsaceusandrosace monkeyflower1 
225PhrMimulus aurantiacus var. pubescenshairy bush monkeyflower21
226PhrMimulus diffususPalomar monkeyflower7~5
227PhrMimulus fremontii var. fremontiiFremont's monkeyflower 10
228PlaAntirrhinum coulterianumCoulter's snapdragon 30
229PlaCallitriche marginatawinged water-starwort1 
230PlaCollinsia concolorsouthern Chinese houses815
231PlaCollinsia parryiParry's collinsia 1
232PlaKeckiella ternata var. ternatawhorledleaf penstemon 6
233PlaPenstemon californicusCalifornia penstemon999
234PlaPenstemon centranthifoliusscarlet bugler199
235PlaPenstemon clevelandii var. connatusSan Jacinto beardtongue1 
236PlaPlantago erectaCalifornia plantain1 
237PlaPlantago patagonicaPatagonia plantain299
238PlaVeronica peregrina ssp. xalapensispurslane speedwell1 
239PolAllophyllum gilioides ssp. violaceumdense false-gilia110
240PolAllophyllum glutinosumsticky false-gilia15
241PolEriastrum densifolium ssp. austromontanumsouthern mountain woolly-star 99
243PolEriastrum sapphirinum ssp. sapphirinumsapphire woolly-star499
244PolGilia capitata ssp. abrotanifoliaglobe gilia 99
245PolGilia diegensiscoastal gilia399
246PolLeptosiphon ciliatuswhisker-brush 1
247PolLeptosiphon lemmoniiLemmon's linanthus499
248PolLeptosiphon liniflorusflax-flowered linanthus399
249PolLinanthus bigeloviiBigelow's linanthus 10
250PolLinanthus dianthiflorusground pink399
251PolMicrosteris gracilisannual phlox299
252PolPhlox austromontanasouthern mountain phlox199
253PolSaltugilia australissouthern gilia ~1
254PolCentrostegia thurberired triangles1 
255PolChorizanthe leptothecaPeninsular spineflower299
256PolChorizanthe polygonoides var. longispinalong-spined spineflower399
257PolChorizanthe xanti var. leucothecawhite-bracted spineflower1 
258PolEriogonum davidsoniiDavidson's buckwheat299
259PolEriogonum evanidumleafy buckwheat5 
260PolEriogonum fasciculatum var. polifoliumCalifornia buckwheat 99
261PolEriogonum gracile var. gracileslender buckwheat1 
262PolEriogonum gracile var. incultumslender buckwheat499
263PolEriogonum molestumpineland buckwheat3 
264PolEriogonum nudum var. pauciflorumnaked buckwheat 99
265PolEriogonum wrightii var. membranaceumWright's buckwheat 99
266PolEriogonum wrightii var. subscaposumWright's buckwheat 99
267PolPolygonum aviculare ssp. depressum*knotweed299
268PolPterostegia drymarioidesfairy bowties, threadstem 2
269PolRumex californicuswillow-leaved dock111
270PolSidotheca emarginatawhite-margined oxytheca650
271PolSidotheca trilobatathree-lobed oxytheca7~1
272PorPortulaca oleracea*common purslane 99
273PriAndrosace elongata ssp. acutaCalifornia androsace JZ
274RanClematis ligusticifoliavirgin's bower 4
275RanDelphinium parryi ssp. parryiblue larkspur225
276RanMyosurus minimuslittle mouse-tail4 
277RhaCeanothus cuneatusbuck brush11
278RhaCeanothus perplexanscupped-leaf ceanothus450
279RhaFrangula californicaCalifornia coffeeberry 1
280RhaRhamnus ilicifoliahollyleaf redberry18
281RosAdenostoma fasciculatumchamise299
282RosAdenostoma sparsifoliumred shanks299
283RosAmelanchier utahensisUtah service-berry518
284RosCercocarpus betuloides var. betuloidesbirch-leaf mountain-mahogany299
285RosPrunus virginiana var. demissawestern choke-cherry 30
286RosPurshia tridentata var. glandulosadesert bitterbrush25
287RosRosa californicaCalifornia wild rose 99
288RubGalium andrewsii ssp. andrewsiiphlox-leaved bedstraw699
289RubGalium angustifolium ssp. angustifoliumnarrowleaf bedstraw230
290RubGalium aparinecommon bedstraw 20
291SalPopulus fremontii ssp. fremontiiFremont cottonwood 7
292SalSalix exigua var. hindsianaHinds' narrowleaf willow 99
293SalSalix lasiolepisarroyo willow199
294SapAcer negundobox elder599
295ScrScrophularia californicaCalifornia bee plant110
296SolNicotiana attenuatacoyote tobacco299
297SolPetunia parviflorawild petunia 9
298SolSolanum xantipurple nightshade11
299TamTamarix ramosissima*saltcedar 4
300UrtUrtica dioica ssp. holosericeastinging nettle 99
301ValPlectritis ciliosalong-spurred plectritis 5
302VerVerbena bracteatabracted verbena 50
303VioViola purpurea ssp. quercetorumgoosefoot yellow violet 99
304VisArceuthobium campylopodumpine dwarf-mistletoe 30
305VisPhoradendron serotinum ssp. tomentosumoak mistletoe 5
306ZygTribulus terrestris*puncture-vine 40
307AgaHesperoyucca whippleichaparral yucca 99
308AgaYucca schidigeraMohave yucca 5
309AllAllium cratericolaCascade onion899
310AllAllium lacunosum var. davisiaeDavis' pitted onion1 
311AllAllium parryiParry's fringed onion499
312CypCarex fractafragile sheath sedge1~1
313CypCarex praegracilisclustered field sedge899
314CypEleocharis bellaneedle spikerush3 
315CypScirpus microcarpuspanicled bulrush 99
316IriSisyrinchium bellumblue-eyed grass 1
317JunJuncus bryoidesmoss rush3 
318JunJuncus effusus ssp. austrocalifornicusSonoran rush 2
319JunJuncus longistylislong-styled rush ~99
320JunJuncus mexicanusMexican rush499
321JunJuncus oxymerispointed rush 99
322JunJuncus tiehmiiTiehm's rush9 
323LilCalochortus concolorgolden-bowl mariposa899
324LilCalochortus palmeri var. munziiSan Jacinto mariposa lily799
325PoaAristida purpureapurple three-awn499
326PoaAvena barbata*slender wild oats 99
327PoaAvena fatua*wild oats 7
328PoaBouteloua curtipendulaside-oats grama250
329PoaBromus carinatus var. carinatusCalifornia brome375
330PoaBromus diandrus*ripgut brome 99
331PoaBromus hordeaceus*soft chess1 
332PoaBromus japonicus*Japanese chess2 
333PoaBromus madritensis ssp. rubens*red brome 10
334PoaBromus tectorum*downy brome 99
335PoaDeschampsia danthonioidesannual hairgrass4 
336PoaElymus elymoidessquirreltail299
337PoaElymus glaucusblue wildrye 12
338PoaElymus triticoidescreeping wild rye299
339PoaFestuca microstachyssmall fescue2 
340PoaFestuca myuros*rattail fescue110
341PoaHordeum depressumlow barley1 
342PoaHordeum murinum*foxtail barley399
343PoaKoeleria macranthaJune grass599
344PoaMelica imperfectacoast-range melic110
345PoaMuhlenbergia rigensdeergrass 75
346PoaPoa bulbosa ssp. vivipara*bulbous blue grass2 
347PoaPoa fendleriana ssp. longiligulaFendler's blue grass2~99
348PoaPoa pratensis*Kentucky blue grass510
349PoaPoa secunda ssp. secundaone-sided bluegrass655
350PoaStipa cernuanodding needlegrass999
351PoaStipa coronatagiant needlegrass1 
352PoaStipa hymenoidesIndian ricegrass 6
353PoaStipa parishii var. parishiiParish's needlegrass499
354PoaStipa speciosadesert needlegrass 1
355RusNolina parryiParry's nolina730
356TheBloomeria croceagoldenstar 99
357TheDichelostemma capitatum ssp. capitatumblue dicks199
358TheMuilla maritimamuilla399
359ZanZannichellia palustrishorned pondweed1 

We thank Jordan Zylstra for alerting us to the presence of three species not previously on this list: Petunia parviflora, Verbena bracteata, and Androsace elongata ssp. acuta.

We thank Deb Nelson and Joe Woods for helping with the 27 April 2018 survey.

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Copyright © 2016-2020 by Tom Chester (8), Bruce Watts (hundreds), Nancy Accola (4), Mike Crouse (1), Kate Harper (1), RT Hawke (1), Shaun Hawke (1), Keir Morse (1), and Dave Stith (1). The number of surveys is given for each author in parentheses.
Commercial rights reserved. Permission is granted to reproduce any or all of this page, except for the photographs by Bruce Watts, for individual or non-profit institutional internal use as long as credit is given to us at this source:
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Comments and feedback: Tom Chester
Last update: 24 February 2020