Plant Guide to Sylvan Meadows Road / Shivela / Stevenson Canyon / Fenceline Trails, Santa Rosa Plateau

Mile	S	#	id?	Common Name	Latin Name	#here	#all
0.00				Begin Sylvan Meadows Road on nw side of parking lot; elevation 1880 feet (573 m). Guide begins at gate. The first three off-trail species are best seen just before the gate.
0.00	r			(California buckwheat, Eriogonum fasciculatum var. foliolosum; Emory's baccharis, Baccharis emoryi; mule fat, Baccharis salicifolia)
0.00	l			(California peony, Paeonia californica)
0.00	b	1		*soft chess	Bromus hordeaceus	99 / 9	40
0.00	b	2		*wild oats	Avena fatua	99 / 9	26
0.00	b	3		*shortpod mustard	Hirschfeldia incana	99 / 9	51
0.00	r	4		California-aster	Lessingia filaginifolia var. filaginifolia	50 / 9	51
0.00	b	5		*foxtail barley	Hordeum murinum ssp. leporinum	50 / 3	15
0.00	l	6		Spanish clover	Lotus purshianus var. purshianus	99 / 9	31
0.00	l	7		*short-fruited filaree	Erodium brachycarpum	99 / 9	14
0.00	r	8		small-flowered fiddleneck	Amsinckia menziesii var. menziesii	50 / 9	8
0.00	b	9		*red brome	Bromus madritensis ssp. rubens	99 / 9	53
0.00	l	10		*ripgut brome	Bromus diandrus	99 / 9	52
0.00	b	11		*prickly lettuce	Lactuca serriola	99 / 9	42
0.00	l	12		rusty-haired popcorn flower	Plagiobothrys nothofulvus	99 / 9	13
0.00	l	13		*narrowleaf filago	Filago gallica	99 / 9	45
0.00	l	14		sharp-toothed sanicle	Sanicula arguta	20 / 9	16
0.00	r	15		vinegar weed	Trichostema lanceolatum	40 / 9	15
0.00	l	16		California poppy	Eschscholzia californica	10 / 2	29
0.00	l	17		checkerbloom	Sidalcea malviflora ssp. sparsifolia	99 / 9	25
0.00	l	18		graceful tarplant	Holocarpha virgata ssp. elongata	99 / 9	15
0.00	l			(splendid mariposa lily, Calochortus splendens)
0.00	l	19		purple needlegrass	Nassella pulchra	99 / 9	20
0.00	r	20		*knotweed	Polygonum arenastrum	30 / 9	21
0.00	r	21		*sand spurrey	Spergularia bocconei	/	14
0.00	l	22		coast-range melic	Melica imperfecta	50 / 9	43
0.00	r	23		*scarlet pimpernel	Anagallis arvensis	99 / 9	33
0.00	l	24		California fuchsia	Epilobium canum ssp. canum	20 / 4	21
0.00	l	25		*smooth cat's ear	Hypochaeris glabra	99 / 9	35
0.00	r	26		*windmill pink	Silene gallica	99 / 9	33
0.00	b	27		*redstem filaree	Erodium cicutarium	99 / 9	55
0.00	l	28		*California burclover	Medicago polymorpha	99 / 9	40
0.00	l	29		*hairy rattail fescue	Vulpia myuros var. hirsuta	99 / 9	19
0.00	l	30		common bedstraw	Galium aparine	99 / 7	38
0.00	l	31		low barley	Hordeum depressum	10 / 2	1
0.00	l	32		purple clarkia	Clarkia purpurea ssp. quadrivulnera	99 / 9	26
0.00	l	33		johnny jump-up	Viola pedunculata	99 / 9	16
0.00	r	34		Mexican rush	Juncus mexicanus	99 / 5	16
0.00	b	35		western ragweed	Ambrosia psilostachya	50 / 9	38
0.00	l	36		*Italian rye-grass	Lolium multiflorum	99 / 9	18
0.00	l	37		*rose clover	Trifolium hirtum	10 / 1	13
0.01	l	38		*smilo grass	Piptatherum miliaceum+	1 / 1	20
0.01	b	39		*cut-leaved geranium	Geranium dissectum	99 / 5	13
0.01	b	40		clustered field sedge	Carex praegracilis	99 / 5	5
0.01	c	41		toad rush	Juncus bufonius var. bufonius	99 / 9	14
0.01	l	42		*weak blue grass	Poa infirma	10 / 1	6
0.01	b	43		*curly dock	Rumex crispus	50 / 9	23
0.01	b	44		*grass poly	Lythrum hyssopifolia	99 / 9	15
0.01	l	45		*prickly sow thistle	Sonchus asper ssp. asper	20 / 9	30
0.01	l	46		wrinkled rush	Juncus rugulosus	20 / 3	13
0.01	r	47		*Bermuda grass	Cynodon dactylon	30 / 3	32
0.01	l	48		*whorled dock	Rumex conglomeratus	20 / 3	11
0.01	r			Check for saltgrass
0.01	l	49		common spikerush	Eleocharis macrostachya	99 / 5	12
0.01				Cross drainage, seasonally wet and very muddy
0.01	r	50		*common cudweed	Gnaphalium luteo-album	2 / 2	17
0.01	l	51		wire rush	Juncus balticus	10 / 1	2
0.01	l	52		*goldentop	Lamarckia aurea	30 / 5	22
0.01	l	53		*rabbits-foot grass	Polypogon monspeliensis	20 / 2	24
0.01	l			(Engelmann oak, Quercus engelmannii)
0.02	l	54		common fiddleneck	Amsinckia menziesii var. intermedia	30 / 9	15
0.03	l	55		San Diego birdsfoot lotus	Lotus hamatus	20 / 5	24
0.03	l	56		dove weed	Eremocarpus setigerus	10 / 3	25
0.03	l			Check for wild celery, Apiastrum angustifolium
0.03	l	57		rattlesnake weed	Daucus pusillus	/	29
0.04	l	58		dwarf lupine	Lupinus bicolor	99 / 9	29
0.05	l	59		Indian milkweed	Asclepias eriocarpa	30 / 9	18
0.05	l	60		tree clover	Trifolium ciliolatum	/	12
0.08	r	61		elk thistle	Cirsium scariosum	50 / 9	12
0.08	l	62		long-stemmed buckwheat	Eriogonum elongatum var. elongatum	50 / 9	28
0.08	l	63		Pomona locoweed	Astragalus pomonensis	30 / 9	11
0.09	l			Sign: "Trail closed"
0.10	r	64		*slender wild oats	Avena barbata	/	40
0.10	l	65		saltgrass	Distichlis spicata	50 / 3	16
0.11	l	66		deergrass	Muhlenbergia rigens	30 / 5	21
0.11				Cross drainage (check trees upstream for id, cottonwood or willows)
0.11	l			(willow-leaved dock, Rumex salicifolius var. denticulatus)
0.11	l	67		seaside heliotrope	Heliotropium curassavicum	10 / 1	10
0.11	l			(Vasey's prickly-pear, Opuntia vaseyi)
0.11	l	68	~	Carolina geranium	Geranium carolinianum	10 / 1	5
0.11	r	69		*hedge mustard	Sisymbrium officinale	99 / 5	20
0.11		70		*horehound	Marrubium vulgare	1 / 1	32
0.12	r			(Palmer's goldenbush, Ericameria palmeri var. pachylepis)
0.14	c	71		*pineapple weed	Chamomilla suaveolens	5 / 1	19
0.15	l	72		Engelmann oak	Quercus engelmannii	20 / 9	23
0.15	l	73		miner's lettuce	Claytonia perfoliata ssp. perfoliata	99 / 4	22
0.17	l			About 30 plants of the unusual purple clarkia, Clarkia purpurea ssp. quadrivulnera, variant without petals and with a very congested terminal inflorescence.
0.19	r			(mouse-ear chickweed, Cerastium glomeratum)
0.22	r			(western sycamore, Platanus racemosa; big leaf mistletoe, Phoradendron macrophyllum)
0.22	r			A dense field of long-stemmed buckwheat, Eriogonum elongatum var. elongatum
0.24	r	74		western sycamore	Platanus racemosa	3 / 3	27
0.24	r	75		chaparral yucca	Yucca whipplei	3 / 3	31
0.25	l			Jct. old road; Sign: "Authorized personnel only"
0.25	l	76		pin-point clover	Trifolium gracilentum var. gracilentum	/	8
0.25	l	77		chick lupine	Lupinus microcarpus var. microcarpus	50 / 9	9
0.25	l	78		silver puffs	Uropappus lindleyi	/	26
0.26	l	79		California lotus	Lotus wrangelianus	/	4
0.27	l	80		Palmer's goldenbush	Ericameria palmeri var. pachylepis	10 / 3	10
0.30				Cross drainage
0.30	b	81		*bull thistle	Cirsium vulgare	20 / 4	20
0.30	r	82		*milk thistle	Silybum marianum+	1 / 1	11
0.30	r			(weeded out gazania, Gazania X (mounding hybrid))
0.31	r	83		splendid mariposa lily	Calochortus splendens	50 / 9	20
0.39	l	84		variegated clover	Trifolium variegatum	/	5
0.39	l	85		balloon clover	Trifolium depauperatum var. truncatum	/	7
0.42	l	86		*annual blue grass	Poa annua	/	12
0.42				Cross drainage
0.42	l	87		clustered toad rush	Juncus bufonius var. congestus	20 / 1	9
0.44	l	88		owl's-clover	Castilleja densiflora	10 / 1	7
0.46	l	89		blue dicks	Dichelostemma capitatum ssp. capitatum	50 / 9	46
0.49	l	90		slender tarweed	Hemizonia fasciculata	99 / 9	18
0.60	l			Jct. Shivela Trail; go left on it; elevation 1920 feet (585 m). Sign: "Shivela Trail to Sierra Elena Road 1.2 mi (left); Sycamore Meadows Road to Visitor Center 1.4 mi (right)"
0.63	r			(yerba mansa, Anemopsis californica)
0.63	r	91		horseweed	Conyza canadensis	30 / 9	39
0.64	r	92		*nit grass	Gastridium ventricosum	99 / 9	26
0.64	r			(A field of rigid hedge-nettle, Stachys ajugoides var. rigida, in the drainage)
0.64				Long switchback left
0.67	r	93		soap plant	Chlorogalum pomeridianum var. pomeridianum	50 / 9	19
0.69	r			(chamise, Adenostoma fasciculatum)
0.71	r			(black sage, Salvia mellifera)
0.77	r	94		Gambel's dwarf milk-vetch	Astragalus gambelianus	10 / 1	4
0.77	r	95		*sow thistle	Sonchus oleraceus	3 / 1	42
0.78	r	96		leafy daisy	Erigeron foliosus var. foliosus	20 / 9	44
0.79				The bush lupine makes a fabulous display here when it is in full bloom:
0.79	r	97		bush lupine	Lupinus excubitus var. hallii	30 / 9	10
0.79	b	98		*tocalote	Centaurea melitensis	99 / 9	45
0.79	r	99		angel's gilia	Gilia angelensis	20 / 3	14
0.82	r			(coast live oak, Quercus agrifolia var. agrifolia)
0.82	l	100		black sage	Salvia mellifera	20 / 5	40
0.82	r	101		strigose lotus	Lotus strigosus	/	33
0.83				Cross drainage
0.86	r	102		California sagebrush	Artemisia californica	20 / 5	47
0.86				Cross small drainage and curve right
0.86	l	103		*hedge parsley	Torilis nodosa	99 / 9	14
0.87	l	104		stinking gourd	Cucurbita foetidissima	3 / 2	8
0.87	r	105		southern miner's lettuce	Claytonia perfoliata ssp. mexicana	30 / 3	27
0.87	r	106		coast live oak	Quercus agrifolia var. agrifolia	10 / 9	42
0.87	r	107		chaparral beard-tongue	Keckiella antirrhinoides var. antirrhinoides	2 / 2	10
0.88				Trail curves left
0.89	r			(purple head, Acourtia microcephala)
0.91				(closest California peony, Paeonia californica, so far)
0.91	r	108		tomcat clover	Trifolium willdenovii	/	17
0.94	r			(short-winged deerweed, Lotus scoparius var. brevialatus)
0.94	r	109		San Diego tarweed	Hemizonia paniculata	30 / 5	8
0.94	r	110		California buckwheat	Eriogonum fasciculatum var. foliolosum	20 / 5	51
0.94				Cross small wide drainage
0.95	r	111		popcorn flower	Cryptantha intermedia	10 / 1	27
0.95	r	112		red maids	Calandrinia ciliata	1 / 1	20
0.97	b	113		small-head field clover	Trifolium microcephalum	/	10
0.97				Leave last of grassland; enter solid chaparral
0.97	r	114		chamise	Adenostoma fasciculatum	50 / 9	37
0.97	r	115		*common chickweed	Stellaria media	10 / 1	27
0.98	r	116		wild-cucumber	Marah macrocarpus var. macrocarpus	10 / 4	44
0.98	r	117		hollyleaf redberry	Rhamnus ilicifolia	10 / 5	43
0.98	b	118		Pacific sanicle	Sanicula crassicaulis	40 / 9	20
0.98	r	119		purple everlasting	Gnaphalium purpureum	5 / 1	5
0.98	r	120		threadstem	Pterostegia drymarioides	20 / 5	30
0.99	r			Jct. Stevenson Canyon Trail; go right on it; elevation ~1960 feet (597 m).
0.99	l			Sign: "Shivela Trail (to left and to right); to Sylvan Meadows Road 0.4 mi (right); to Sierra Elena Road 0.8 mi (left): Stevenson Canyon Trail (forward); to Calle de Suenos Road 0.8 mi"
1.00	l	121		short-winged deerweed	Lotus scoparius var. brevialatus	20 / 9	23
1.00	l	122		Torrey's scrub oak	Quercus acutidens	5 / 2	26
1.00	l	123		poison oak	Toxicodendron diversilobum	30 / 9	43
1.01	r	124		foothill needlegrass	Nassella lepida	20 / 9	21
1.01	r	125		intermediate sun-cups	Camissonia intermedia	/	6
1.01	r	126		California filago	Filago californica	/	21
1.02	r	127	~	woolly-fruited lomatium	Lomatium dasycarpum ssp. dasycarpum	3 / 1	7
1.02	r	128		golden yarrow	Eriophyllum confertiflorum var. confertiflorum	20 / 7	55
1.02	r	129		prostrate spineflower	Chorizanthe procumbens	10 / 1	4
1.02	r	130		everlasting nest-straw	Stylocline gnaphaloides	/	12
1.02	r	131		climbing bedstraw	Galium nuttallii ssp. nuttallii	10 / 9	30
1.02	r	132		southern honeysuckle	Lonicera subspicata var. denudata	3 / 3	40
1.03	r	133		sapphire woolly-star	Eriastrum sapphirinum	50 / 3	7
1.04	r	134		white sage	Salvia apiana	5 / 5	38
1.04	l	135		saw-toothed goldenbush	Hazardia squarrosa var. grindelioides	10 / 3	35
1.04				Switchback left.
1.04	l	136		white-flowering currant	Ribes indecorum	8 / 5	23
1.04	r		~	(poison sanicle, Sanicula bipinnata)
1.04	r	137	~	seashore bentgrass	Agrostis pallens	10 / 1	12
1.04	r	138		goldenrod	Solidago californica	50 / 5	35
1.04	r	139		purple snapdragon	Antirrhinum nuttallianum ssp. nuttallianum	/	19
1.06	l	140		*crabgrass	Digitaria sanguinalis+	1 / 1	1
1.06				Cross drainage
1.06	b	141		*sourclover	Melilotus indicus	/	24
1.08	b	142		bristly bird's beak	Cordylanthus rigidus ssp. setigerus	30 / 5	28
1.08				Cross old fenceline
1.09	r	143		redberry	Rhamnus crocea	2 / 2	15
1.09	r	144		fragrant everlasting	Gnaphalium canescens ssp. beneolens	5 / 3	23
1.10	l	145		three spot	Osmadenia tenella	20 / 1	15
1.10	b	146		fringed spineflower	Chorizanthe fimbriata var. fimbriata	30 / 4	8
1.11	l			Jct. old lower end of alternate trail, now closed.
1.14	l			Jct. new lower end of alternate trail; stay right.
1.15	l	147		bush monkeyflower	Mimulus aurantiacus	10 / 9	42
1.20	r	148	~	*Mediterranean schismus	Schismus barbatus	20 / 2	22
1.22	l	149		prickly cryptantha	Cryptantha muricata	/	16
1.25	b	150		hooked skunkweed	Navarretia hamata ssp. hamata	99 / 7	11
1.28	r	151		canchalagua	Centaurium venustum	40 / 5	15
1.28	r	152		purple head	Acourtia microcephala	2 / 2	19
1.31	l	153		goldfields	Lasthenia californica	3 / 1	12
1.34				Local high point on trail
1.35	l	154		yellow pincushion	Chaenactis glabriuscula var. glabriuscula	3 / 1	13
1.36	l			(California chicory, Rafinesquia californica)
1.36	l	155		slender woolly marbles	Psilocarphus tenellus var. tenellus	10 / 1	5
1.36	l	156		common skullcap	Scutellaria tuberosa	10 / 1	4
1.36	l	157		*mouse-ear chickweed	Cerastium glomeratum	/	19
1.36	l	158		pygmy-weed	Crassula connata	10 / 1	28
1.36	l	159		*Italian thistle	Carduus pycnocephalus+	1 / 1	20
1.36	l	160		Tejon cryptantha	Cryptantha microstachys	/	6
1.36				Local low point on trail
1.36	l	161		California peony	Paeonia californica	5 / 2	17
1.36	l	162		blue wildrye	Elymus glaucus ssp. glaucus	30 / 9	21
1.36	r	163		canyon clarkia	Clarkia epilobioides	5 / 1	11
1.36	r	164		California chicory	Rafinesquia californica	1 / 1	22
1.36	r	165		snapdragon campion	Silene antirrhina	5 / 1	7
1.36	r	166		eucrypta	Eucrypta chrysanthemifolia var. chrysanthemifolia	5 / 1	25
1.37	b	167		laurel sumac	Malosma laurina	5 / 5	42
1.38	l			Jct. upper end of alternate trail; stay right
1.38	l	168		*little horseweed	Conyza bonariensis	1 / 1	23
1.38	r	169		toyon	Heteromeles arbutifolia	5 / 5	44
1.38	b	170		San Diego pea	Lathyrus vestitus var. alefeldii	10 / 3	21
1.38	r	171		slender madia	Madia gracilis	20 / 9	19
1.40				Trail turns left 90°
1.40	r	172		California everlasting	Gnaphalium californicum	20 / 9	43
1.40	r	173		narrowleaf bedstraw	Galium angustifolium ssp. angustifolium	3 / 3	50
1.40	b	174		grand mountain dandelion	Agoseris grandiflora	3 / 2	11
1.40				Fencepost and old fence
1.40	r	175		California chalk lettuce	Dudleya pulverulenta ssp. pulverulenta	5 / 1	10
1.40	r	176		goldback fern	Pentagramma triangularis ssp. triangularis	5 / 2	24
1.40	r	177		Bigelow's spike-moss	Selaginella bigelovii	2 / 2	19
1.40	r	178		bird's-foot fern	Pellaea mucronata var. mucronata	3 / 2	30
1.40	r	179		caterpillar phacelia	Phacelia cicutaria var. hispida	20 / 2	16
1.40	r	180		California four o'clock	Mirabilis californica	1 / 1	23
1.40	r	181		purple owl's clover	Castilleja exserta ssp. exserta	/	13
1.40	r			(wild canterbury bells, Phacelia minor)
1.40	r	182		gray sage	Salvia apiana X S. mellifera	1 / 1	5
1.42	r	183		coffee fern	Pellaea andromedifolia	2 / 2	22
1.43				Local high point on trail
1.43	r	184		wide-throated yellow monkeyflower	Mimulus brevipes	5 / 1	12
1.43	r	185		wild canterbury bells	Phacelia minor	2 / 1	21
1.43	r	186		mustang mint	Monardella lanceolata	10 / 1	7
1.43	r	187		Ramona clarkia	Clarkia similis	5 / 1	3
1.44	r	188		meadow-rue	Thalictrum fendleri var. polycarpum	50 / 5	6
1.44	l	189		California brome	Bromus carinatus var. carinatus	10 / 3	24
1.44	r	190		*tumble pigweed	Amaranthus albus+	1 / 1	14
1.44	r	191		witchgrass	Panicum capillare	5 / 1	3
1.44				Begin first of three Stevenson Canyon Stream crossings on wooden planks.
1.44	r	192		*Crete weed	Hedypnois cretica	2 / 1	20
1.44	l			The arroyo willows at each of the next 3 stream crossings are extremely old. Note their very thick trunks and height.
1.44	l	193		arroyo willow	Salix lasiolepis	20 / 2	35
1.44	r	194		willowherb	Epilobium ciliatum ssp. ciliatum	1 / 1	18
1.44				End first Stream crossing
1.44	b			Many green 6 inch to 1 foot high baby arroyo willow plants in July 2005, but most were dead in September 2005 and 2 were left on 3/27/06.
1.44	r	195		*green bentgrass	Agrostis viridis	5 / 1	4
1.46				Second Stevenson Canyon Stream crossing
1.46	r	196		mule fat	Baccharis salicifolia	2 / 2	39
1.49	r	197		slender sunflower	Helianthus gracilentus	1 / 1	14
1.49				Third Stevenson Canyon Stream crossing
1.49	l	198		sand spikerush	Eleocharis montevidensis	1 / 1	7
1.49	l	199		rigid hedge-nettle	Stachys ajugoides var. rigida	3 / 1	13
1.49	l			(sticky cinquefoil, Potentilla glandulosa ssp. glandulosa)
1.49	b	200		basketbush	Rhus trilobata	1 / 1	24
1.53	l	201		*English plantain	Plantago lanceolata	1 / 1	19
1.53	l	202	~	wild celery	Apiastrum angustifolium	5 / 1	13
1.53	l	203		heartleaf penstemon	Keckiella cordifolia	5 / 3	28
1.53	l	204		giant wild-rye	Leymus condensatus	5 / 5	27
1.54	l			Cross through open gate; sign: "Stephenson Canyon Trail (facing other direction)"; stake: "Santa Rosa Plateau Ecological Reserve Boundary".
1.55				Trail curves left 45°
1.55	r	205		*purple wild radish	Raphanus sativus	2 / 1	11
1.57	r			Sign: "Harold Davis Hill"
1.59				Large infestation of bull thistle, Cirsium vulgare
1.59	l			Sign: End Sylvan Meadows; Private Property Ahead"; elevation ~2200 feet (670 m). Turnaround here and descend the way you came.
1.80	r			Jct. upper end of alternate trail; take it to the right.
1.80				Fourth Stevenson Canyon Stream crossing
1.80	l			Check for different clover
	r	206		coast jepsonia	Jepsonia parryi	30 / 3	15
1.82	l			(common monkeyflower, Mimulus guttatus)
1.84	r	207		slender vetch	Vicia hassei	/	6
1.84	l	208	~	poison sanicle	Sanicula bipinnata	99 / 9	2
1.85	l	209		sticky cinquefoil	Potentilla glandulosa ssp. glandulosa	1 / 1	17
1.86	l	210		long-leaved rush	Juncus macrophyllus	5 / 1	6
1.90				Fifth Stevenson Canyon Stream crossing
1.93	l	211		California oxalis	Oxalis albicans ssp. californica	1 / 1	4
1.95	l	212		Parish's purple nightshade	Solanum parishii	1 / 1	20
1.96				Cross first of two small side drainages
1.97				Cross second of two small side drainages
1.97	l	213		southern Indian pink	Silene laciniata ssp. major	2 / 1	20
2.00	l	214		triangular-fruit sedge	Carex triquetra	1 / 1	17
2.06	r			(An infestation of ~200 soap aloe, Aloe saponaria, was removed in 2005, that probably came from a single plant just 5-11 years earlier.)
2.07				T-jct. with main Stevenson Canyon Trail; go right on it.
2.22				T-jct. with Shivela Trail; go right on it; elevation ~1960 feet (597 m).
2.25				Large bridge; sixth Stevenson Canyon Stream crossing
2.25	l	215		willow-leaved dock	Rumex salicifolius var. denticulatus	1 / 1	9
2.26	r	216		Chinese houses	Collinsia heterophylla	/	12
2.27	r	217	sp	spurge	Euphorbia sp.	1 / 1
2.30	b	218		*darnel	Lolium temulentum	/	4
2.30	r	219	sp	vetch	Vicia villosa ssp. varia or V. sativa	/
2.32				Cross small drainage
2.32	r	220		blue larkspur	Delphinium parryi ssp. parryi	10 / 1	14
2.35	l			(A huge western sycamore with 5 big trunks)
2.35				Trail curves right 90°
2.45				Trail curves right and briefly goes uphill
2.47				Local high point on trail
2.48				Trail curves left
2.53	l	221		nodding needlegrass	Nassella cernua	/	18
				Trail is close to Tenaja Road now; trail curves right
2.56				Local low point on trail
2.63	l	222		*Australian brome	Bromus arenarius	10 / 1	4
2.65				Cross seasonally-wet drainage
2.65	r	223		bicolored everlasting	Gnaphalium bicolor	1 / 1	34
2.69	l			Second patch of jepsonia
2.74				Local low point on trail
2.75				Local high point on trail; second common skullcap, Scutellaria tuberosa location
2.79				Local low point on trail
2.80				Local high point on trail
2.86				Cross seasonally-moist drainage and go uphill
2.90				Local high point on trail
2.92				Trail turns left 90° and crosses bridge over another drainage
2.92	b	224		common monkeyflower	Mimulus guttatus	10 / 1	15
3.02				End Shivela Trail at T-jct. with Sierra Elena Road. Go left; elevation ~1975 feet (600 m).
3.05	c	225		pit-seed goosefoot	Chenopodium berlandieri	3 / 2	8
3.06				Cross Tenaja Road
3.07				Jct. Fenceline Trail; go left
3.13	l	226		telegraph weed	Heterotheca grandiflora	10 / 5	37
3.18	b			*winter vetch	Vicia villosa ssp. varia+	50 / 3	19
3.23	r			(blue elderberry, Sambucus mexicana)
3.33				Cross small drainage from right
3.34	l			(Large patch of Italian thistle, Carduus pycnocephalus)
3.36	b	227		*spring vetch	Vicia sativa ssp. sativa	10 / 1	6
3.44				Begin short uphill on trail
3.48				Second of two closely-spaced local high points on trail
3.53	r	228		*Russian thistle	Salsola tragus	1 / 1	25
3.55	r	229		coyote bush	Baccharis pilularis	1 / 1	25
3.58	r	230		*yellow salsify	Tragopogon dubius+	1 / 1	13
3.62	l	231		*Harding grass	Phalaris aquatica	2 / 1	2
3.78				Cross wood-plank bridge at drainage
3.83				Pass through open gate; jct. Hidden Valley Parking Lot; cross Tenaja Road to return to trailhead
3.86				End guide back at Sylvan Meadows Parking Area

add 83 sisymbrium irio, 233 elymus elymoides californicus
http://tchester.org/srp/plants/guides/shivela.html
Updated 1 April 2006.