Plant Guide to Cactus Spring Trail, Santa Rosa Mountains

Mile	S	#	id?	Common Name	Latin Name	#Pls
				The first four species are in the parking lot area (the Pediomelum is along the entrance road across from the turn into the parking lot) and not yet seen on the trail (the Pediomelum is also vouchered from near Cactus Spring)
		1		Sonoran spurge	Chamaesyce micromera	x / 1
		2		coyote melon	Cucurbita palmata	x / 1
		3		Indian breadroot	Pediomelum californicum	5 / 2
		4		*Russian thistle	Salsola tragus	x / 1
				The following two species are vouchered from “Pinyon Flats area, c. 0.5 mi west of the Dolomite Mine”, and may or may not be on the Cactus Spring Trail itself
				spike dropseed	Sporobolus contractus	V /
				sand dropseed	Sporobolus cryptandrus	V /
				Begin trail guide just past southeast corner of parking lot, at fire hydrant; elevation ~4045 feet (1233 m).
0.00	b	5		fringed onion	Allium fimbriatum var. fimbriatum	20 / 1
0.00	b	6		western tansy-mustard	Descurainia pinnata	30 / 5
0.00	b	7		whispering bells	Emmenanthe penduliflora var. penduliflora	99 / 9
0.00	r	8		*rattail fescue	Festuca myuros	5 / 1
0.00	b	9		*redstem filaree	Erodium cicutarium	99 / 9
0.00	b	10		rattlesnake weed	Chamaesyce albomarginata	50 / 9
0.00	b	11		Mojave lomatium	Lomatium mohavense	10 / 5
0.00	b	12		bur-ragweed	Ambrosia acanthicarpa	20 / 2
0.00	b	13		matchweed	Gutierrezia sarothrae	99 / 9
0.00	b	14		San Jacinto mariposa lily	Calochortus palmeri var. munzii	3 / 1
0.00	r	15		coastal gilia	Gilia diegensis	50 / 9
0.00	r	16		red shanks	Adenostoma sparsifolium	99 / 9
0.00	r	17		bristly bird's beak	Cordylanthus rigidus ssp. setiger	99 / 9
0.00	l	18		Pima rhatany	Krameria erecta	99 / 9
0.00	l	19		*Oriental mustard	Sisymbrium orientale	30 / 5
0.00	l	20		desert scrub oak	Quercus cornelius-mulleri	99 / 9
0.00	b	21		desert prickly-pear	Opuntia phaeacantha	99 / 9
0.00	r	22		narrowleaf goldenbush	Ericameria linearifolia	99 / 9
0.00	r	23		desert needlegrass	Stipa speciosa	99 / 9
0.00	b	24		Engelmann's hedgehog cactus	Echinocereus engelmannii	30 / 9
0.00	b	25		Davidson's buckwheat	Eriogonum davidsonii	40 / 9
0.00	b	26		*red brome	Bromus madritensis ssp. rubens	99 / 9
0.00	l	27		cupped-leaf ceanothus	Ceanothus perplexans	30 / 9
0.00	l	28		chaparral yucca	Hesperoyucca whipplei	50 / 9
0.00				End fence
0.00	r	29		moth combseed	Pectocarya setosa	30 / 9
0.00	b	30		*Mediterranean schismus	Schismus barbatus	99 / 3
0.00	b	31		Mojave prickly-pear	Opuntia polyacantha var. erinacea	30 / 9
0.00	r	32		short-winged deerweed	Acmispon glaber var. brevialatus	99 / 9
0.00	l	33		sugar bush	Rhus ovata	50 / 9
0.00	l	34		Wallace's woolly daisy	Eriophyllum wallacei	99 / 9
0.00	l	35		sand cress	Calyptridium monandrum	20 / 2
0.00	l	36		mountain red-root cryptantha	Cryptantha micrantha var. lepida	50 / 9
0.00	b	37		desert globemallow	Sphaeralcea ambigua var. rugosa	99 / 9
0.00	b	38		California buckwheat	Eriogonum fasciculatum var. polifolium	99 / 9
0.00	r			Signpost: "Please stay on designated routes only"
0.00	l	39		Patagonia plantain	Plantago patagonica	20 / 2
0.00	l	40		popcorn flower	Cryptantha intermedia var. intermedia	99 / 9
0.01	b	41		Mohave yucca	Yucca schidigera	50 / 9
0.01	l	42		hairy-podded pepper-grass	Lepidium lasiocarpum ssp. lasiocarpum	30 / 1
0.01	l	43		brittle spineflower	Chorizanthe brevicornu var. brevicornu	30 / 9
0.01	r	44		desert agave	Agave deserti	30 / 9
0.01	l	45		desert woolly-star	Eriastrum eremicum ssp. eremicum	99 / 9
0.01	l	46		spear-leaved mountain dandelion	Agoseris retrorsa	1 / 1
0.01	r	47		giant four o'clock	Mirabilis multiflora var. pubescens	30 / 9
0.02	r	48		wire-lettuce	Stephanomeria pauciflora	20 / 3
0.02	r	49		common phacelia	Phacelia distans	50 / 9
0.02	r	50		desert chicory	Rafinesquia neomexicana	10 / 5
0.02	l	51		oak mistletoe	Phoradendron serotinum ssp. tomentosum	3 / 3
0.02	l			(fringed amaranth, Amaranthus fimbriatus; western bernardia, Bernardia incana; silver puffs, Uropappus lindleyi)
0.03	r	52		*downy brome	Bromus tectorum	99 / 9
0.03	l	53		odora	Porophyllum gracile	20 / 9
0.03	l	54		San Felipe dogweed	Adenophyllum porophylloides	50 / 9
0.03	l			(fluff grass, Dasyochloa pulchella; California juniper, Juniperus californica)
0.03	r	55		Parry's nolina	Nolina parryi	30 / 9
0.04	r	56		silver puffs	Uropappus lindleyi	30 / 9
0.04	r	57		Fremont pincushion	Chaenactis fremontii	99 / 9
0.05	l			(lotebush, Ziziphus parryi var. parryi)
0.07	l	58		turpentine broom	Thamnosma montana	40 / 9
0.09	r			(pinyon pine, Pinus monophylla)
0.10	c	59		chia	Salvia columbariae	50 / 9
0.10	l	60		Payson's wild cabbage	Caulanthus simulans	2 / 1
0.11	r	61		Fremont's goosefoot	Chenopodium fremontii	20 / 5
0.12	l	62		desert bitterbrush	Purshia tridentata var. glandulosa	10 / 5
0.12	l	63		Wright's buckwheat	Eriogonum wrightii var. membranaceum	40 / 9
0.12	l	64		side-oats grama	Bouteloua curtipendula	30 / 9
0.12	l	65		pinyon pine	Pinus monophylla	40 / 9
0.12	l	66		purple three-awn	Aristida purpurea	10 / 9
0.12	r	67		squirreltail	Elymus elymoides	1 / 1
0.13	r	68		basketbush	Rhus aromatica	10 / 5
0.13	b	69		smoothleaf yerba santa	Eriodictyon trichocalyx var. lanatum	20 / 5
0.13	r	70		desert almond	Prunus fasciculata var. fasciculata	10 / 4
0.13	r	71		fringed amaranth	Amaranthus fimbriatus	10 / 1
0.13	r	72		Palmer's amaranth	Amaranthus palmeri	20 / 1
0.13		73		sandhill amaranth	Amaranthus torreyi	x / 1
0.13	r	74		*shortpod mustard	Hirschfeldia incana	2 / 1
0.13	r	75		white-stemmed blazing star	Mentzelia albicaulis	3 / 2
0.13	r	76		sacred datura	Datura wrightii	1 / 1
0.13	r	77	~	Jones' prickly-nut cryptantha	Cryptantha muricata var. jonesii	20 / 3
0.13	r			Cross small drainage, which briefly joins road
0.13	r	78		coyote tobacco	Nicotiana attenuata	1 / 1
0.13	r	79		white mugwort	Artemisia ludoviciana ssp. albula	10 / 5
0.13	r	80		scarlet bugler	Penstemon centranthifolius	20 / 5
0.13	l	81		birch-leaf mountain-mahogany	Cercocarpus betuloides var. betuloides	5 / 3
0.13	l			Small drainage exits road
0.14	r	82		wavyleaf twinevine	Funastrum crispum	8 / 1
0.14	r	83		narrow-leaved brickellia	Brickellia oblongifolia var. linifolia	20 / 5
0.15	l	84		desert lotus	Acmispon rigidus	99 / 9
0.16	b	85		*foxtail barley	Hordeum murinum	10 / 2
0.16	l	86		Acton encelia	Encelia actoni	10 / 4
0.17				T-jct. with road; turn right on it
0.17	r	87		thyme-leafed spurge	Chamaesyce serpyllifolia ssp. serpyllifolia	1 / 1
0.17	r	88		fivewing spiderling	Boerhavia triquetra var. intermedia	3 / 2
0.17	r	89		needle grama	Bouteloua aristidoides var. aristidoides	1 / 1
0.19	l			Jct. Cactus Spring Trail; turn left and take it
0.19	r			Sign: "Cactus Spring Trail 5E01 (ahead); Sawmill Trail 5E03 (right)"
0.19	r	90		scale-bud	Anisocoma acaulis	1 / 1
0.20	r			Display board: "Cactus Springs Trail …"
0.22	r			(bigberry manzanita, Arctostaphylos glauca)
0.22	r	91		fluff grass	Dasyochloa pulchella	20 / 5
0.22	r			Sign: "Bikes prohibited in Santa Rosa Wilderness"
0.24	r			(narrowleaf bedstraw, Galium angustifolium ssp. angustifolium)
0.26	r			Jct. small drainage that joins trail
0.27	r	92		desert monardella	Monardella nana	40 / 9
0.28	l	93		bigberry manzanita	Arctostaphylos glauca	50 / 9
0.28	l	94		hollyleaf redberry	Rhamnus ilicifolia	5 / 5
0.32				Y-jct; old road continues straight; take trail to right
0.32	r			Sign: "Cactus Spring Trail 5E01; Horsethief Creek 2 1/4 mi; Cactus Spring 4 mi; Agua Alta Spring 10 mi" (gone in 2015)
0.33	r			Wilderness Sign-In Box (for permit; gone in 2015)
0.33	l	95		California popcorn flower	Plagiobothrys collinus var. fulvescens	5 / 1
0.33	l	96		six-weeks grama	Bouteloua barbata var. barbata	1 / 1
0.34	l	97		trailing four-o'clock	Mirabilis albida	20 / 3
0.34	r	98	~	*tumble-mustard	Sisymbrium altissimum	1 / 1
0.34	l	99		western bernardia	Bernardia incana	99 / 9
0.34	b	100		California juniper	Juniperus californica	20 / 9
0.34	r	101		white-bracted spineflower	Chorizanthe xanti var. leucotheca	30 / 3
0.34				Local low point on trail; elevation 4000 feet (1219 m)
0.35	c	102		Schott's calico	Loeseliastrum schottii	50 / 9
0.36				Minor local high point on trail
0.37	l	103		white-margined oxytheca	Sidotheca emarginata	50 / 9
0.37	l			weird popcorn flower variant with almost entirely vegetative growth; probably C. intermedia
0.37	l	104		bajada lupine	Lupinus concinnus	20 / 2
0.37	r	105		wing-nut cryptantha	Cryptantha pterocarya	10 / 2
0.38	l			(bird's-foot fern, Pellaea mucronata var. mucronata)
0.38				Jct. small drainage that joins trail
0.40				Trails leaves small drainage; minor local low point on trail
0.40	r	106		bird's-foot fern	Pellaea mucronata var. mucronata	5 / 5
0.40	b			(beavertail cactus, Opuntia basilaris var. basilaris)
0.40	r			(lace-pod, Thysanocarpus laciniatus)
0.40	l	107	~	San Bernardino suncup	Camissoniopsis confusa	5 / 2
0.40	b	108		Wright's buckwheat	Eriogonum wrightii var. nodosum	20 / 5
0.41	l	109		golden-bowl mariposa	Calochortus concolor	50 / 9
0.42	r			(white sage, Salvia apiana)
0.42				Minor local high point on trail
0.43	b	110		beavertail cactus	Opuntia basilaris var. basilaris	20 / 9
0.44	r	111		Palmer's milk-vetch	Astragalus palmeri	50 / 9
0.44	r			Woodrat's nest
0.45	l	112		star gilia	Gilia stellata	50 / 9
0.45	r			(dense mistletoe, Phoradendron bolleanum, on juniper)
0.46	r	113		Gander's cholla	Cylindropuntia ganderi	5 / 5
0.47	r	114		woolly Indian paintbrush	Castilleja foliolosa	30 / 5
0.47	r	115		little-leaved chaparral beardtongue	Keckiella antirrhinoides var. microphylla	30 / 7
0.48	l			(desert apricot, Prunus fremontii)
		116		yellow tackstem	Calycoseris parryi	x / 1
0.49				Trail rounds ridge and curves right 90°
0.50	r	117		white sage	Salvia apiana	50 / 9
0.50	b	118		desert apricot	Prunus fremontii	20 / 9
0.51	b	119		desert bluebells	Phacelia campanularia ssp. campanularia	99 / 9
0.51	b			(San Jacinto beardtongue, Penstemon clevelandii var. connatus)
0.51	r	120		sweetbush	Bebbia juncea var. aspera	20 / 3
0.52	r	121		Coulter's snapdragon	Antirrhinum coulterianum	2 / 1
0.52	b	122		catclaw	Senegalia greggii	30 / 7
0.53	r			Trail curves left to cross Deep Canyon drainage
0.53	r	123		strigose lotus	Acmispon strigosus	10 / 3
0.53	l			(mountain California-fuchsia, Epilobium canum ssp. latifolium)
0.53	l	124		common monkeyflower	Mimulus guttatus	10 / 1
0.53	l	125	~	horseweed	Erigeron canadensis	1 / 1
0.53				Cross Deep Canyon drainage; local low point; elevation 3880 feet (1183 m)
0.53	b	126		false monkeyflower	Mimulus pilosus	10 / 1
0.53	l	127		floriferous monkeyflower	Mimulus floribundus	10 / 1
0.53	r	128		lesser paintbrush	Castilleja minor ssp. spiralis	5 / 2
0.53	r	129	~	little spring beauty	Claytonia exigua ssp. exigua	10 / 2
0.53	l	130		*tocalote	Centaurea melitensis	10 / 1
				The following species are found in the drainage off-trail, and could well appear on trail in some years. They are given in alphabetical order by scientific name.
0.53	r	131		*tumble pigweed	Amaranthus albus	x / 1
0.53	l	132		dwarf white milk-vetch	Astragalus didymocarpus var. dispermus	x / 1
0.53	r	133		canchalagua	Zeltnera venusta	x / 1
0.53	l	134		spreading fleabane	Erigeron divergens	x / 1
0.53	l	135		common bedstraw	Galium aparine	x / 1
0.53	l	136		western marsh cudweed	Gnaphalium palustre	5 / 3
0.53	l	137		few-flowered heterocodon	Heterocodon rariflorum	x / 1
0.53	r	138		toad rush	Juncus bufonius var. bufonius	x / 1
0.53	r	139		iris-leaved rush	Juncus xiphioides	x / 2
0.53	l	140		Spanish clover	Acmispon americanus var. americanus	x / 1
0.53	l	141		dwarf lupine	Lupinus bicolor	x / 1
0.53	r	142		scarlet monkeyflower	Mimulus cardinalis	x / 1
0.53	r	143	~	little redstem monkeyflower	Mimulus rubellus	x / 1
0.53	l	144		limestone phacelia	Phacelia affinis	x / 1
0.53	l	145		Lemmon's phacelia	Phacelia lemmonii	x / 1
0.53	l	146		branching phacelia	Phacelia ramosissima	x / 1
0.53	r	147	sp	dock	Rumex sp.	x / 1
0.53	r	148		rigid hedge-nettle	Stachys rigida	10 / 3
0.53	r	149		California brickellbush	Brickellia californica	4 / 4
0.53	b	150		deergrass	Muhlenbergia rigens	30 / 5
0.53	r	151		desert baccharis	Baccharis sergiloides	99 / 9
0.53	r	152		western false-indigo	Amorpha fruticosa	30 / 5
0.53	b	153		canyon dodder	Cuscuta subinclusa	3 / 2
0.53	b	154		desert olive	Forestiera pubescens	10 / 2
0.53	r	155		southern Chinese houses	Collinsia concolor	10 / 1
0.53	r	156		sticky false-gilia	Allophyllum glutinosum	10 / 3
0.54	r	157		southern honeysuckle	Lonicera subspicata var. denudata	20 / 9
0.54	l		~	(red willow, Salix laevigata)
0.55	l	158		interior live oak	Quercus wislizeni var. frutescens	2 / 2
0.55	r	159		California thistle	Cirsium occidentale var. californicum	2 / 2
0.55	l			Very old junked car, truck and water tank
0.55	r	160		hollyleaf cherry	Prunus ilicifolia ssp. ilicifolia	3 / 3
0.56				Enter marble area and the so-called "Dolomite Mine"
0.56	l			(scarlet milk-vetch, Astragalus coccineus; rolled-leaf spurge, Chamaesyce revoluta; granite prickly phlox, Leptodactylon pungens; and dropseed, Sporobolus sp. on north side of mine)
0.57	r	161		San Jacinto beardtongue	Penstemon clevelandii var. connatus	40 / 9
0.60	r			Jct. road
0.60	r	162		pancake prickly-pear	Opuntia chlorotica	10 / 4
0.61	l	163		lotebush	Ziziphus parryi var. parryi	30 / 9
0.62	b			These plants are either a hairier form of Eriodictyon trichocalyx var. lanatum, or possibly Eriodictyon crassifolium var. nigrescens
0.62	l		~	(perennial rock-cress, Arabis perennans)
0.62				Y-jct; stay right; old mine road is to left; local high point; elevation ~3940 feet (1200 m)
				The following species is vouchered from someplace between Dolomite Mine and Horsethief Creek (winter ann, cespitose, 4-16 inches high, shady places like next to rocks):
?		164		Bigelow's blue grass	Poa bigelovii	V /
0.63	r	165		lace-pod	Thysanocarpus laciniatus	10 / 3
0.64				Cross small drainage and trail turns left 90°
0.68	l	166		Parish's needlegrass	Stipa parishii var. parishii	50 / 9
0.73				Cross small drainage; local low point; elevation ~3900 feet (1190 m)
0.74	l			Jct. (short?) road
0.75	b	167		San Jacinto buckwheat	Eriogonum apiculatum	50 / 9
0.79	r	168		ashy silk tassel	Garrya flavescens	4 / 4
0.82	l			Jct. mine road shaped like a "U" tangent to our trail
0.83	r			Jct. road; sign: "Be prepared for hazardous conditions beyond this point"
0.83	r	169		narrowleaf bedstraw	Galium angustifolium ssp. angustifolium	10 / 9
0.84				Local high point on trail; elevation ~3930 feet (1198 m)
0.85				Minor local low point on trail
0.88				Second of two minor local high points on trail; begin steep downhill - watch your footing!
0.88	b			(cane cholla, Cylindropuntia californica var. parkeri)
0.91	l	170		California spear-leaved brickellia	Brickellia atractyloides var. arguta	3 / 3
0.91	l			First of several specimens of desert scrub oak, Quercus cornelius-mulleri, with some much-larger leaves that are much-greener above
0.91	r	171		beady lipfern	Cheilanthes covillei	20 / 9
0.92	b	172	~	perennial rock-cress	Boechera perennans	20 / 5
0.94	r	173		limestone phacelia	Phacelia cryptantha	50 / 9
0.95				Cross small drainage
0.95	l	174		dense mistletoe	Phoradendron bolleanum	1 / 1
0.96				Now on ridge between the two close drainages
0.97	r	175		granite prickly phlox	Linanthus pungens	20 / 9
0.99				Trail zigzags right then left
0.99	r			First live San Jacinto beardtongue	Penstemon clevelandii var. connatus	/
0.99	r			(Fremont cottonwood, Populus fremontii ssp. fremontii)
1.00				Cross drainage; local low point; elevation ~3840 feet (1170 m)
1.00	b	176		southern goldenrod	Solidago confinis	20 / 3
1.01	r	177		phlox-leaved bedstraw	Galium andrewsii ssp. andrewsii	30 / 5
1.03				Local high point on trail
1.04	r			yellow-flowered woolly Indian paintbrush	Castilleja foliolosa	/
1.05	r	178		mountain California-fuchsia	Epilobium canum ssp. latifolium	50 / 7
1.06	r	179		white-flowering currant	Ribes indecorum	1 / 1
1.06	r	180		rigid hedge-nettle	Stachys ajugoides var. rigida	10 / 2
1.06				Cross drainage; local low point; elevation ~3820 feet (1165 m)
1.06	b	181		arroyo willow	Salix lasiolepis	2 / 2
1.06	r			adult California brickellbush, Brickellia californica
1.06	l	182		southern California silver-lotus	Acmispon argophyllus var. argophyllus	2 / 2
1.08	l			Trap-door spider's door
1.09	l	183		small-flowered nemacladus	Nemacladus sigmoideus	20 / 3
1.16	l			(Bigelow's monkeyflower, Mimulus bigelovii var. bigelovii)
1.17	l			Sign: "Santa Rosa Wilderness"
1.18				Local high point on trail; elevation ~3930 feet (1198 m)
1.21	b	184		rock buckwheat	Eriogonum saxatile	30 / 7
1.29				Cross drainage
1.29	r	185		six-weeks three-awn	Aristida adscensionis	x /
1.30	l	186		Hall's caulanthus	Caulanthus hallii	1 / 1
1.30	l			(jojoba, Simmondsia chinensis)
1.34	l	187		jojoba	Simmondsia chinensis	10 / 4
1.37	l	188		Bigelow's desert four-o'clock	Mirabilis laevis var. retrorsa	x / 1
1.38	r	189		rolled-leaf spurge	Chamaesyce revoluta	x / 2
1.39	b	190		thick-leaved ground cherry	Physalis crassifolia	10 / 2
1.39				Enter big patch of prickly pear cactus on unusual steep planar slope perhaps caused by undercutting of slope by creek and landsliding
1.41	l	191		Parish's poppy	Eschscholzia parishii	99 / 9
1.48				Cross small side drainage
1.49				Cross main drainage
1.49				Cross main drainage again
1.49	l	192		bearded cryptantha	Cryptantha barbigera var. barbigera	x / x
1.50	l	193		cane bluestem	Bothriochloa barbinodis	20 / 4
1.50	r	194		desert dudleya	Dudleya saxosa ssp. aloides	20 / 5
1.50				Cross main drainage again
1.50	l		~	(white desert-primrose, Oenothera caespitosa ssp. marginata)
1.51	l	195		narrowleaf willow	Salix exigua var. exigua	5 / 2
1.51	l	196		golden yarrow	Eriophyllum confertiflorum var. confertiflorum	5 / 3
1.51	l	197		white everlasting	Pseudognaphalium microcephalum	x / 1
1.52	l	198		annual malacothrix	Malacothrix clevelandii	10 / 2
1.52	l	199		eucrypta	Eucrypta chrysanthemifolia var. bipinnatifida	20 / 5
1.52	r	200		slender everlasting	Pseudognaphalium thermale	10 / 3
1.52	r			Small drainage joins trail
1.53	l	201		blue dicks	Dichelostemma capitatum ssp. capitatum	40 / 9
1.53	r	202	~	virgin's bower	Clematis pauciflora	2 / 2
1.54	l			white blue dicks	Dichelostemma capitatum ssp. capitatum	/
1.54	l	203		silky lotus	Acmispon heermannii var. heermannii	10 / 2
1.55	l	204		scarlet milk-vetch	Astragalus coccineus	20 / 5
1.60	l			(short-leaved baccharis, Baccharis brachyphylla; needle-leaved rabbitbrush, Ericameria teretifolia)
1.60				Cross drainage to its left
1.63				Cross drainage to its right
1.67	r	205		desert noseburn	Tragia ramosa	5 / 1
1.68	b	206		smooth scouring rush	Equisetum laevigatum	5 / 3
1.68	r			Cross side drainage
1.70	l	207		narrowleaf monardella	Monardella linoides ssp. linoides	5 / 3
1.71				Minor local high point on trail
1.73				Cross creek with water; local low point on trail; elevation ~3640 feet (1110 m)
1.73	b	208		Mexican rush	Juncus mexicanus	30 / 3
1.73	b	209		*rabbits-foot grass	Polypogon monspeliensis	1 / 1
1.73	l	210		Hooker's evening-primrose	Oenothera elata ssp. hirsutissima	1 / 1
1.74	r		~	(southern cattail, Typha domingensis)
1.75	r			(stream orchid, Epipactis gigantea)
1.75	r	211		velvet ash	Fraxinus velutina	2 / 2
1.75	r			(wild grape, Vitis girdiana)
1.80		212		starfish (Yuma) spurge	Chamaesyce setiloba	x / 1
1.83	r	213		mountain grape-soda lupine	Lupinus excubitus var. austromontanus	2 / 1
1.84				Local high point on trail; elevation ~3740 feet (1140 m)
1.93				Check mileage to drainage
1.93				Trail joins drainage
1.99	l	214		teddy-bear cholla	Cylindropuntia bigelovii	1 / 1
2.06				Trail leaves drainage to left
2.08	l			Check for Kallstroemia
2.09		215		Santa Rosa Mtns. linanthus	Leptosiphon floribundus ssp. hallii	20 / 2
2.11				Trail crosses drainage to right
2.13				Cross major drainage which joins Horsethief Creek just downstream; local low point; elevation ~3560 feet (1085 m); (check mileage: is this actually 2.20?)
2.13	r			(green miner's lettuce, Claytonia parviflora ssp. viridis; Bigelow's linanthus, Linanthus bigelovii)
2.13		216		bracken	Pteridium aquilinum var. pubescens	x / 1
2.15				Local high point
2.20	l			(Old horse corral made from manzanita branches)
2.26	l	217		big galleta	Hilaria rigida	3 / 3
2.26	r	218		California filago	Logfia filaginoides	5 / 1
2.26	l	219		spearleaf	Matelea parvifolia	21 / 1
2.27				Trail turns left 90°
2.27	l	220		desert fish-hook cactus	Mammillaria tetrancistra	3 / 2
2.27	r	221		Parish's goldeneye	Bahiopsis parishii	20 / 5
2.28	l	222		*Bermuda grass	Cynodon dactylon	5 / 1
2.28				Switchback right
2.29	r	223		Latimer's woodland-gilia	Saltugilia latimeri	x / 1
2.29	r	224		fairy bowties, threadstem	Pterostegia drymarioides	1 / 1
2.30				Switchback left
2.31	l			mature California spear-leaved brickellia	Brickellia arguta var. arguta	/
2.31				Switchback right
2.32				Switchback left and trail curves right
2.33	l	225		Fremont cottonwood	Populus fremontii ssp. fremontii	2 / 2
2.33	b	226		*tall fescue	Festuca arundinacea	5 / 1
2.33				Cross Horsethief Creek; elevation ~3480 feet (1060 m)
2.34				Trail turns right 90°
2.35	l	227		wild tarragon	Artemisia dracunculus	10 / 1
2.35				Y-jct; Trail is left branch; Trail to right goes to a shady rest spot; go right
2.36	l	228		honey mesquite	Prosopis glandulosa var. torreyana	10 / 4
2.37	r	229		wild grape	Vitis girdiana	1 / 1
2.37	r	230	~	creeping wild rye	Elymus triticoides	10 / 1
2.37	l	231		Torrey's scrub oak	Quercus acutidens	5 / 1
				The following four species are along Horsethief Creek in this area:
2.37		232		white alder	Alnus rhombifolia	x / 1
2.37		233	~	western columbine	Aquilegia formosa	x / 1
2.37		234		blue-eyed grass	Sisyrinchium bellum	20 / 3
2.37		235		*saltcedar	Tamarix ramosissima	50 / 9
				The following species is vouchered from “Cactus Springs Trail near Horsethief Creek”
-		236		slim tridens	Tridens muticus var. muticus	V /
2.37				Return to Y-jct
2.39				Y-jct; go right
2.42				Switchback left
2.43				Switchback right
2.44	l	237		Mexican bladder sage	Scutellaria mexicana	5 / 3
2.45				Switchback left
2.46	l			(desert mistletoe, Phoradendron californicum)
2.47	r	238		star-flowered bedstraw	Galium stellatum	1 / 1
2.49	l	239		pale suncup	Camissoniopsis pallida ssp. pallida	20 / 5
2.50	l	240		California marina	Marina orcuttii var. orcuttii	99 / 4
2.51				Switchback right
2.53				Trail turns right 30 degrees
2.53	l	241		gravel cryptantha	Cryptantha decipiens	5 / 1
2.55				Switchback left
2.55				Switchback right
2.60				Saddle
2.62				Smaller saddle
2.66				Saddle
2.71				Trail is now less steep on ridge
2.71	r	242		papillate dodder	Cuscuta californica var. papillosa	3 / 1
2.74				Saddle; local high point; trail now descends to eventually join wash
2.79				Saddle
2.83	l		~	(Ziegler's aster, Dieteria canescens var. ziegleri)
2.86				Join wash
2.88	l			(Ericameria teretifolia high on cliff)
3.06				Y-jct in wash; stay right
3.07		243		slender wreathplant	Stephanomeria exigua ssp. exigua	20 / 9
3.15	l	244		long-leaved rush	Juncus macrophyllus	5 / 2
3.25	r	245		Fendler's ivy-leaf tomatillo	Physalis hederifolia var. fendleri	6 / 1
3.48				Y-jct in wash; stay right
3.51				Rejoin other branch of wash
3.56				Leave entrenched wash near here
3.64	r	246	~	California evening-primrose	Oenothera californica ssp. avita	10 / 2
3.74	l	247		spotted buckwheat	Eriogonum maculatum	30 / 3
3.89	l	248		five-needled thymophylla	Thymophylla pentachaeta var. belenidium	99 / 1
3.95	l			Hillside of California marina, Marina orcuttii var. orcuttii
3.96	l			Hillside of California marina, Marina orcuttii var. orcuttii
3.97	r			Sign: "Trail"
4.05	l			Sign: "Trail"
4.09				Local high point
4.14	l			Sign: "Trail"; local high point
4.36	r	249		southern mountain woolly-star	Eriastrum densifolium ssp. austromontanum	30 / 3
4.42	r			Sign: "Trail"
4.45	r			Y-jct; stay right; Sign: "Trail"
4.51	l			Sign: "Trail"
4.63				Jct. wash with Cactus Spring; go left to the Spring
4.66	l	250		scratchgrass	Muhlenbergia asperifolia	10 / 1
4.66	l	251		California loosestrife	Lythrum californicum	1 / 1
4.66				Cactus Spring; return to trail
4.69				Jct. trail; go left
4.77	l			Sign: "Trail"
4.90	r			Trail parallels creek for a short distance; next species is in Creek to right
4.93	r	252		desert-willow	Chilopsis linearis ssp. arcuata	20 / 1
4.93				End Plant Guide; the following are approximate mileages to points farther along the trail
5.32				Cross creek
8.81				Saddle between Deep Canyon and Martinez Canyon

http://tchester.org/sb/plants/guides/cactus_spring.html
Updated 8 October 2016