Plant Guide to Wiashal Trail, Santa Rosa Plateau

Mile	S	#	id?	Common Name	Latin Name	#here	#all
0.00				Beginning of Wiashal Trail at northwest edge of SRP Visitor Center Parking Lot. This guide begins at the post holding the swinging end of the entrance gate; elevation ~1800 feet (550 m)
0.00	b	1		California buckwheat	Eriogonum fasciculatum var. foliolosum	99 / 9	51
0.00	l	2		saw-toothed goldenbush	Hazardia squarrosa var. grindelioides	99 / 9	35
0.00	b	3		*soft chess	Bromus hordeaceus	99 / 9	40
0.00	b	4		telegraph weed	Heterotheca grandiflora	5 / 2	34
0.00	b	5		*narrowleaf filago	Filago gallica	99 / 9	45
0.00	b	6		*shortpod mustard	Hirschfeldia incana	99 / 9	51
0.00	b	7		*tocalote	Centaurea melitensis	99 / 9	45
0.00	b	8		everlasting nest-straw	Stylocline gnaphaloides	99 / 9	11
0.00	b	9		*redstem filaree	Erodium cicutarium	99 / 9	54
0.00	b	10		holly-leaf navarretia	Navarretia atractyloides	1 / 1	7
0.00	b	11		strigose lotus	Lotus strigosus	50 / 9	33
0.00	b	12		*smooth cat's ear	Hypochaeris glabra	99 / 9	34
0.00	b	13		San Diego tarweed	Hemizonia paniculata	99 / 9	7
0.00	b	14		*Mediterranean schismus	Schismus barbatus	99 / 9	22
0.00	r	15		slender combseed	Pectocarya linearis ssp. ferocula	20 / 2	7
0.00	r	16		pygmy-weed	Crassula connata	99 / 9	28
0.00	r	17		small-head field clover	Trifolium microcephalum	20 / 9	9
0.00	r	18		*short-fruited filaree	Erodium brachycarpum	20 / 3	16
0.00	b	19		*red brome	Bromus madritensis ssp. rubens	99 / 9	51
0.00	r	20		fragrant everlasting	Gnaphalium canescens ssp. beneolens	10 / 9	23
0.00	b	21		hooked skunkweed	Navarretia hamata ssp. hamata	99 / 9	10
0.00	b	22		Spanish clover	Lotus purshianus var. purshianus	99 / 9	30
0.00	b	23		*nit grass	Gastridium ventricosum	99 / 9	22
0.00	b	24		*scarlet pimpernel	Anagallis arvensis	99 / 9	31
0.00	b	25		San Diego birdsfoot lotus	Lotus hamatus	20 / 5	23
0.00	l	26	~	slender popcorn flower	Plagiobothrys tenellus	50 / 9	3
0.00	l	27		*rattail fescue	Vulpia myuros var. myuros	99 / 9	21
0.00	r	28		rattlesnake weed	Daucus pusillus	99 / 9	28
0.00	r	29		slender wreathplant	Stephanomeria exigua ssp. deanei	50 / 9	12
0.00	b	30		bristly bird's beak	Cordylanthus rigidus ssp. setigerus	99 / 9	25
0.00	b	31		canchalagua	Centaurium venustum	99 / 9	12
0.00	l	32		California-aster	Lessingia filaginifolia var. filaginifolia	30 / 9	51
0.00	r	33		Pomona locoweed	Astragalus pomonensis	20 / 9	10
0.00	l			Sign: "Wiashal Trail (straight); to Cole Canyon 3.5 mi"
0.00	r	34		*prickly sow thistle	Sonchus asper ssp. asper	50 / 9	28
0.00	b	35		chamise	Adenostoma fasciculatum	99 / 9	37
0.00	l	36		purple owl's clover	Castilleja exserta ssp. exserta	10 / 3	12
0.00	l	37		*slender wild oats	Avena barbata	99 / 9	38
0.00	r	38		golden yarrow	Eriophyllum confertiflorum var. confertiflorum	99 / 9	53
0.00	r	39		silver puffs	Uropappus lindleyi	20 / 9	25
0.00	r	40		leafy daisy	Erigeron foliosus var. foliosus	50 / 9	42
0.01	l	41		Torrey's scrub oak	Quercus acutidens	30 / 9	26
0.01	r	42		deerweed	Lotus scoparius var. scoparius+	30 / 9	28
0.01	l			Jct. bicycle / horse entrance from Clinton Keith Road
0.01	r	43		popcorn flower	Cryptantha intermedia	99 / 9	27
0.01	l	44		purple clarkia	Clarkia purpurea ssp. quadrivulnera	50 / 5	24
0.01	l	45		rush-rose	Helianthemum scoparium	5 / 5	14
0.01	r			Check for yellow mariposa lily, Calochortus weedii var. weedii
0.01	b	46		triangular-fruit sedge	Carex triquetra	20 / 9	16
0.01	r	47		narrowleaf bedstraw	Galium angustifolium ssp. angustifolium	30 / 9	47
0.01	b	48		redberry	Rhamnus crocea	20 / 9	15
0.01	l	49		hoaryleaf ceanothus	Ceanothus crassifolius	99 / 9	12
0.01	r	50		blue dicks	Dichelostemma capitatum ssp. capitatum	50 / 9	45
0.01	l	51		splendid mariposa lily	Calochortus splendens	50 / 9	17
0.01	l	52		coast jepsonia	Jepsonia parryi	30 / 2	15
0.02	b	53		foothill needlegrass	Nassella lepida	30 / 9	20
0.02	r	54		chaparral yucca	Yucca whipplei	5 / 5	31
0.02	b	55		purple head	Acourtia microcephala	5 / 3	19
0.02	l	56		ground pink	Linanthus dianthiflorus	30 / 9	9
0.03	l	57		intermediate sun-cups	Camissonia intermedia	30 / 9	6
0.03	l	58		coast-range melic	Melica imperfecta	99 / 9	42
0.03	l	59		southern honeysuckle	Lonicera subspicata var. denudata	20 / 9	40
0.03	b	60		climbing bedstraw	Galium nuttallii ssp. nuttallii	50 / 9	30
0.03	r	61		hollyleaf redberry	Rhamnus ilicifolia	20 / 9	43
0.04	l	62		southern Indian pink	Silene laciniata ssp. major	2 / 2	19
0.04	l	63		bush monkeyflower	Mimulus aurantiacus	40 / 9	42
0.04	l	64		*windmill pink	Silene gallica	99 / 9	32
0.04	l	65		Parish's purple nightshade	Solanum parishii	30 / 9	20
0.05	l	66		Tejon cryptantha	Cryptantha microstachys	10 / 2	6
0.05	l	67		basketbush	Rhus trilobata	10 / 5	24
0.05	r	68		goldback fern	Pentagramma triangularis ssp. triangularis	99 / 9	24
0.05	l	69		blue larkspur	Delphinium parryi ssp. parryi	30 / 5	12
0.06	r	70		mustang mint	Monardella lanceolata	5 / 1	5
0.06	l	71		San Diego pea	Lathyrus vestitus var. alefeldii	2 / 2	20
0.06	l	72		seashore bentgrass	Agrostis pallens	30 / 3	8
0.07	l	73		*sow thistle	Sonchus oleraceus	20 / 9	39
0.07	l	74		Pacific sanicle	Sanicula crassicaulis	3 / 1	21
0.07	l	75		cobwebby thistle	Cirsium occidentale var. occidentale+	3 / 2	7
0.07	r	76		California everlasting	Gnaphalium californicum	99 / 9	42
0.07	b	77		coast live oak	Quercus agrifolia var. agrifolia	5 / 5	42
0.07	r	78		threadstem	Pterostegia drymarioides	20 / 9	29
0.07	r	79		southern miner's lettuce	Claytonia perfoliata ssp. mexicana	30 / 5	25
0.07	r	80		common bedstraw	Galium aparine	30 / 5	39
0.07	r	81		*common chickweed	Stellaria media	30 / 3	28
0.07	r	82		giant wild-rye	Leymus condensatus	1 / 1	27
0.07	b	83		*bull thistle	Cirsium vulgare+	2 / 1	16
0.07	r	84		*ripgut brome	Bromus diandrus	30 / 3	51
0.07	r	85		checkerbloom	Sidalcea malviflora ssp. sparsifolia	10 / 3	25
0.07	b	86		johnny jump-up	Viola pedunculata	30 / 3	15
0.07	r	87	ssp	*foxtail barley	Hordeum murinum	10 / 2
0.07	r	88		*hedge mustard	Sisymbrium officinale	5 / 2	20
0.07	r	89	~	basket rush	Juncus textilis	10 / 1	4
0.07	r	90		blue wildrye	Elymus glaucus ssp. glaucus	20 / 9	20
0.07	r	91		white-flowering currant	Ribes indecorum	3 / 3	22
0.08	b	92		goldenrod	Solidago californica	2 / 1	34
0.08	l	93	~	horseweed	Conyza canadensis	10 / 5	35
0.08	l	94		sticky cinquefoil	Potentilla glandulosa ssp. glandulosa	5 / 1	15
0.08	l	95		*prickly lettuce	Lactuca serriola	99 / 9	42
0.08	l	96		long-leaved rush	Juncus macrophyllus	2 / 2	4
0.08	r	97		*California burclover	Medicago polymorpha	30 / 3	41
0.08	l	98		toad rush	Juncus bufonius var. bufonius	50 / 5	12
0.08	l	99		*grass poly	Lythrum hyssopifolia	10 / 2	13
0.08	l			Check for a lupine that appeared here only in 2005
0.08	b	100		western ragweed	Ambrosia psilostachya	10 / 1	36
0.08	b	101		*hairy rattail fescue	Vulpia myuros var. hirsuta	99 / 9	16
0.08	r	102		American vetch	Vicia americana var. americana	2 / 1	9
0.08	b	103		narrow-leaved miner's lettuce	Claytonia parviflora ssp. parviflora	10 / 1	21
0.08	l			(black sage, Salvia mellifera)
0.08	l	104		*knotweed	Polygonum arenastrum	2 / 2	16
0.08	l			*Check for Bermuda grass, Cynodon dactylon, probably sighted here in 2005 but absent in 2006.10228
0.08	l	105		*white-stemmed filaree	Erodium moschatum	10 / 1	22
0.08	l	106		*sourclover	Melilotus indicus	20 / 1	22
0.08	l	107		*Italian rye-grass	Lolium multiflorum	10 / 1	14
0.08	r	108		tree clover	Trifolium ciliolatum	20 / 5	10
0.09	l			(mule fat, Baccharis salicifolia)
0.09	r	109		arroyo willow	Salix lasiolepis+	1 / 1	33
0.09	r			Begin bridge over small drainage. In drainage to left: California fuchsia, Epilobium canum ssp. canum; rabbits-foot grass, Polypogon monspeliensis. In drainage to right: deergrass, Muhlenbergia rigens. In drainage on both sides: scarlet monkeyflower, Mimulus cardinalis.
0.09	r	110		dwarf lupine	Lupinus bicolor	50 / 9	29
0.09	r	111		Durango root	Datisca glomerata	1 / 1	6
0.09	b	112		wild tarragon	Artemisia dracunculus	3 / 1	21
0.09				End bridge
0.09	r	113		angel's gilia	Gilia angelensis	10 / 2	14
0.09	r	114		matchweed	Gutierrezia sarothrae	3 / 2	9
0.09	l	115	~	bristly goldenaster	Heterotheca sessiliflora ssp. echioides	1 / 1	7
0.09	l	116		*wall bedstraw	Galium parisiense	20 / 1	7
0.09	l	117		*Crete weed	Hedypnois cretica	20 / 2	22
0.09	l	118		slender madia	Madia gracilis	10 / 2	17
0.10	l	119		long-stemmed buckwheat	Eriogonum elongatum var. elongatum	1 / 1	26
0.10	b	120		three spot	Osmadenia tenella	20 / 2	12
0.10	r	121	~	purple sanicle	Sanicula bipinnatifida	2 / 1	11
0.11				Jct. use trail
0.11				Enter chamise forest
0.11	l			(California bee plant, Scrophularia californica ssp. floribunda)
0.12	l	122		papillate dodder	Cuscuta californica var. papillosa	10 / 3	2
0.12	r	123		common skullcap	Scutellaria tuberosa	10 / 2	5
0.13	l			Jct. faint path; first of many beautiful patches of canchalagua, Centaurium venustum
0.16	l			(common groundsel, Senecio vulgaris)
0.16	l	124		sharp-toothed sanicle	Sanicula arguta	2 / 2	18
0.17	r	125		*long-beaked filaree	Erodium botrys	20 / 3	9
0.17	l	126		*curly dock	Rumex crispus	1 / 1	23
0.17	r	127		rattlesnake weed	Chamaesyce albomarginata	10 / 1	7
0.18	b	128		fringed spineflower	Chorizanthe fimbriata var. fimbriata	99 / 5	7
0.18	b	129		sapphire woolly-star	Eriastrum sapphirinum	99 / 9	7
0.18	l	130		deergrass	Muhlenbergia rigens+	5 / 2	21
0.18	r		~	(coyote bush, Baccharis pilularis)
0.19	l			(poison oak, Toxicodendron diversilobum)
0.20	r	131		showy penstemon	Penstemon spectabilis var. spectabilis+	3 / 1	11
0.23	r			Jct. driveway into 40 acre inholding.
0.23		132		*Russian thistle	Salsola tragus	1 / 1	25
0.23	r	133		*common groundsel	Senecio vulgaris	2 / 1	19
0.23				Jct. parking lot; elevation 1760 feet (535 m); continue on trail to right.
0.24	l	134		*pineapple weed	Chamomilla suaveolens	10 / 1	19
0.24	r			(California poppy, Eschscholzia californica)
0.24	r			Go through gate; sign: "Trail"
0.24	r	135		cotton-batting plant	Gnaphalium stramineum	30 / 9	14
0.27	r			Sign: "Mountain Lion...".
0.28	l	136		black sage	Salvia mellifera	50 / 9	40
0.29	l	137		purple snapdragon	Antirrhinum nuttallianum ssp. nuttallianum	99 / 9	17
0.29				Begin uphill section
0.33	r	138		California lace fern	Aspidotis californica	20 / 9	9
0.34	l	139		mission manzanita	Xylococcus bicolor	99 / 9	14
0.34	l	140		wild-cucumber	Marah macrocarpus var. macrocarpus	5 / 5	43
0.34				Trail begins series of close-spaced 90° turns; enter forest of hoaryleaf ceanothus, Ceanothus crassifolius, and cross a minor drainage.
0.34	l	141		meally white pincushion	Chaenactis artemisiifolia	50 / 9	14
0.35	l	142		California chicory	Rafinesquia californica	40 / 9	22
0.37	b	143		San Diego wreathplant	Stephanomeria diegensis	30 / 9	20
0.38	r	144		caterpillar phacelia	Phacelia cicutaria var. hispida	30 / 5	15
0.38	l	145		laurel sumac	Malosma laurina	50 / 9	42
0.40				Local high point on trail; elevation 1840 feet (560 m)
0.41	r	146		California peony	Paeonia californica	2 / 2	17
0.42	l	147		sugar bush	Rhus ovata	5 / 5	25
0.43	l			intermediate sun-cups	Camissonia intermedia+	/
0.43	r			Jct. use trail
0.43	l			(honking California bee plant, Scrophularia californica ssp. floribunda)
0.43		148		southern California morning-glory	Calystegia macrostegia ssp. arida+	10 / 9	17
0.44				Trail is flattish here, but continues to descend
0.44	r			Check for different Vulpia sp.
0.44	r	149		false monkeyflower	Mimulus pilosus	99 / 9	5
0.48	l	150		slender sunflower	Helianthus gracilentus	50 / 9	12
0.48	l	151		thick-leaved yerba santa	Eriodictyon crassifolium var. crassifolium	50 / 9	7
0.49	l			(bird's-foot fern, Pellaea mucronata var. mucronata)
0.50	l	152		tomcat clover	Trifolium willdenovii	20 / 2	17
0.50	r	153		floriferous monkeyflower	Mimulus floribundus	20 / 3	5
0.50	r	154		California popcorn flower	Plagiobothrys collinus var. fulvescens	5 / 1	4
0.50	l	155		*rabbits-foot grass	Polypogon monspeliensis	3 / 1	20
0.51		156		*Bermuda grass	Cynodon dactylon	10 / 1	90
0.52				Local low point on trail, followed by minor local high point then minor local low point
0.53				View of San Jacinto Mountains at 2 o'clock.
0.54	b	157		yellow pincushion	Chaenactis glabriuscula var. glabriuscula	99 / 9	13
0.55				Local high point on trail
0.60	r			(toyon, Heteromeles arbutifolia)
0.60				Cross small drainage; local low point on trail, followed by a series of minor local high and low points
0.60	l	158		clustered toad rush	Juncus bufonius var. congestus	10 / 1	4
0.66	l			Jct. cleared path?
0.67	r	159		western toad rush	Juncus bufonius var. occidentalis	10 / 1	2
0.67	r	160		slender woolly marbles	Psilocarphus tenellus var. tenellus	20 / 1	4
0.67	l	161		Venus looking-glass	Triodanis biflora	10 / 1	2
0.77				Cross small drainage with black culvert
0.77	b	162		shiny lomatium	Lomatium lucidum	2 / 1	7
0.81				Local low point; cross small drainage; elevation ~1750 feet (535 m); climb now steep.
0.90	r			southern California morning-glory	Calystegia macrostegia ssp. arida+	/
0.92	l	163		bicolored everlasting	Gnaphalium bicolor	10 / 5	29
0.92	l	164		chaparral beard-tongue	Keckiella antirrhinoides var. antirrhinoides	30 / 9	10
0.92	r	165		San Diego mountain mahogany	Cercocarpus minutiflorus	3 / 2	12
0.97	b	166		California sagebrush	Artemisia californica	10 / 4	46
0.99				First of many local high points; elevation ~1840 feet (560 m)
1.15				Check for different Cuscuta sp.
1.21	b	167		bird's-foot fern	Pellaea mucronata var. mucronata	10 / 9	30
1.21				Cross small drainage.
1.28	b	168		hollyleaf cherry	Prunus ilicifolia ssp. ilicifolia	5 / 1	12
1.30	b	169		common monkeyflower	Mimulus guttatus	20 / 1	13
1.30	l			deergrass	Muhlenbergia rigens	/
1.30	b	170		variegated clover	Trifolium variegatum	20 / 1	4
1.30	b	171		wrinkled rush	Juncus rugulosus	10 / 1	9
1.30	r	172		slim vetch	Vicia ludoviciana var. ludoviciana	5 / 1	8
1.30				Cross dike cutting boulder in trail
1.30				Cross middle of bridge; local low point; elevation ~1755 feet (535 m)
1.30	l	173		California poppy	Eschscholzia californica	2 / 1	29
1.32				Cross small drainage
1.32	l	174		wide-throated yellow monkeyflower	Mimulus brevipes	5 / 1	12
1.32	l	175		rough-seeded blue toad-flax	Linaria canadensis var. texana	1 / 1	10
1.35				Cross small drainage
1.43				View of San Gabriel Mountains at 10 o'clock at a local high point
1.49				Cross small drainage over a black-pipe culvert; elevation ~1755 feet (535 m). Trail now goes upward steeply.
1.54	l	176		chia	Salvia columbariae	20 / 3	21
1.56	l	177		wild canterbury bells	Phacelia minor	20 / 5	21
1.57	r	178		*common cudweed	Gnaphalium luteo-album	/	14
	l	179		short-winged deerweed	Lotus scoparius var. brevialatus+	30 / 9	22
1.59	b	180		Coulter's snapdragon	Antirrhinum coulterianum	30 / 9	5
1.59	r	181		California suncup	Camissonia californica	3 / 3	20
1.59	r			Check for new species like a gilia
1.60	r	182		California filago	Filago californica	20 / 9	21
1.68	r			Rock overhang / shelter 5 steps away.
1.68	l	183		twining snapdragon	Antirrhinum kelloggii	5 / 2	6
1.71	l			Jct. Overlook trail; elevation ~1920 feet (585 m). Sign: "To Overlook 0.1 mi [left]; Wiashal Trail [right]"
1.78	l	184		*wild oats (waif?)	Avena fatua	1 / 1	25
1.78				Highest point on trail; elevation ~1950 feet (595 m)
2.01	r			Jct. use trail
2.02				First of two closely-spaced saddles; elevation ~1750 feet (535 m)
2.10	l	185		yellow mariposa lily	Calochortus weedii var. weedii	30 / 9	10
2.12	r	186		white everlasting	Gnaphalium canescens ssp. microcephalum	1 / 1	36
2.12	l	187	~	sand cress	Calyptridium monandrum	10 / 1	12
2.13				Local high point; elevation ~1800 feet (550 m)
2.18				Big patch of sapphire woolly-star, Eriastrum sapphirinum
2.19				Second of two closely-spaced saddles; elevation ~1750 feet (535 m)
2.24	b	188		small-seeded spurge	Chamaesyce polycarpa	20 / 2	13
2.27	l			Jct. blocked-off trail easily visible only on return trip
2.29				Local peak, elevation ~1840 feet (560 m), with a nice flat rock for sitting on, with great views
2.33	l			Jct. trail blocked-off by line of large rocks; note "Eagle Rock" ahead if the light is right.
2.35	l			Jct. Second Overlook Trail. Sign: "To Overlook 0.1 mi [left]; Wiashal Trail [right]". Note "Eagle Rock" has turned into "Turkey Vulture" rock, if you are coming back from the Overlook. Most of the many switchbacks on the descent are not noted.
2.40	l	189		*Italian thistle	Carduus pycnocephalus+	2 / 2	18
2.48	r	190		eucrypta	Eucrypta chrysanthemifolia var. chrysanthemifolia	30 / 5	26
2.53	r			Jct. use trail
2.54				Trail turns left 90°
2.56				Switchback right; (blocked-off old trail continues ahead)
2.60	r	191		scaly lipfern	Cheilanthes clevelandii	5 / 1	4
2.62	r			(California four o'clock, Mirabilis californica)
2.64	r	192		wild celery	Apiastrum angustifolium	10 / 2	14
2.75	r	193		California four o'clock	Mirabilis californica	1 / 1	22
2.75				Switchback left; jct. with new trail going uphill
2.78	l	194		odora	Porophyllum gracile	4 / 4	6
2.83	l	195	?	dead like clarkia, seedling like chinese houses	?	10 / 1
2.95	r	196		California polypody	Polypodium californicum	1 / 1	16
2.99	l			5 deergrass plants, Muhlenbergia rigens, above the trail that seem twice normal size since they are above you, instead of their normal position below you in a drainage
2.99	l			(San Diego sedge, Carex spissa)
3.00	r			Jct. blocked-off trail
3.02	l			Sign: "SRPER boundary; Wiashal Trail"
3.19	l	197		*goldentop	Lamarckia aurea	10 / 1	23
3.22	r			Sign: "No motor vehicles"
3.22	l			Sign: "Cole Canyon; (to) Santa Rosa Plateau"
3.22	r			Jct. use trail
3.23	r	198		southern suncup	Camissonia bistorta	3 / 1	11
3.23	l	199		chaparral bush mallow	Malacothamnus fasciculatus	1 / 1	14
3.24				T-jct.; go right; sign on left: "No trespassing PC602(J)"
3.26	l	200		nodding needlegrass	Nassella cernua	3 / 1	19
3.30	b			Jct. trail; sign: "Please stay on trail"
3.30				End trail at T-jct. with a road; elevation 1200 feet (365 m); end plant trail guide; go left to get to the lower trailhead parking on Single Oak Way.
3.34				Road curves right toward back yards of homes
3.36				Trail curves left and parallels back yards of homes
3.41				Y-jct with path; stay right
3.45				Leave road and head toward access in fence
3.49				Cul-de-sac near end of Single Oak Way

http://tchester.org/srp/plants/guides/wiashal.html
Comments and feedback: Tom Chester
Updated 19 April 2006.