Plant Guide to Stone Creek Loop, Santa Margarita Ecological Reserve

mile	s	#	id	Common Name	Latin Name	#here	#all
0.00				Begin plant guide at the first laurel sumac on the right just south of the parking area; elevation 560 feet. This location is about 60 feet south of the north edge of San Diego County.
0.00	r	1		laurel sumac	Malosma laurina	20 / 9	42
0.00	r	2		*shortpod mustard	Hirschfeldia incana	/	51
N0.00	r	3		*red brome	Bromus madritensis ssp. rubens	/	52
v0.00	r	4		cotton-batting plant	Gnaphalium stramineum	30 / 5	15
0.00	r	5		California sagebrush	Artemisia californica	40 / 9	47
0.00	r	6		*sourclover	Melilotus indicus	/	24
0.00	b	7		*English plantain	Plantago lanceolata	20 / 4	19
V0.00	r	8		*Mediterranean schismus	Schismus barbatus	20 / 4	22
N0.00	r	9		rough-seeded blue toad-flax	Linaria canadensis var. texana	/	10
0.00	r	10		dove weed	Eremocarpus setigerus	/	24
0.00	r	11		blue elderberry	Sambucus mexicana	20 / 9	48
0.00	r	12		California everlasting	Gnaphalium californicum	10 / 9	42
V0.00	r	13		bicolored everlasting	Gnaphalium bicolor	10 / 9	29
V0.00	r	14		eucrypta	Eucrypta chrysanthemifolia var. chrysanthemifolia	20 / 5	25
0.00	r	15		*horehound	Marrubium vulgare	2 / 2	32
0.00	r	16		black sage	Salvia mellifera	30 / 5	40
0.00	r	17		*tocalote	Centaurea melitensis	20 / 3	45
v0.00	r	18		purple everlasting	Gnaphalium purpureum	1 / 1	5
N0.00	r	19		minute-flowered cryptantha	Cryptantha micromeres	3 / 2	6
0.00	r	20		*scarlet pimpernel	Anagallis arvensis	/	32
N0.00	r	21		*field hedge-parsley	Torilis arvensis	99 / 9	6
0.00	r	22		southern honeysuckle	Lonicera subspicata var. denudata	30 / 5	40
N0.00	r	23		California goosefoot	Chenopodium californicum	3 / 1	3
0.00	r			(sugar bush, Rhus ovata)
V0.00	r	24		wild-cucumber	Marah macrocarpus var. macrocarpus	10 / 9	44
N0.00	r	25		cobwebby thistle	Cirsium occidentale var. occidentale	2 / 2	10
0.00	r	26		*Russian thistle	Salsola tragus	20 / 4	25
0.00	r	27		chia	Salvia columbariae	40 / 5	21
V0.00	l	28		*rattail fescue	Vulpia myuros var. myuros	/	20
0.00	l	29		popcorn flower	Cryptantha intermedia	/	27
0.00	l	30		California plantain	Plantago erecta	50 / 4	13
v0.00	l	31		robust sun-cup	Camissonia robusta	/	1
0.00	b	32		coast-range melic	Melica imperfecta	30 / 9	43
N0.00	r	33	~	*roundleaf fluellin	Kickxia spuria	/	2
0.00	r			(California chicory, Rafinesquia californica)
0.00	r	34		saw-toothed goldenbush	Hazardia squarrosa var. grindelioides	20 / 9	35
V0.00	l	35		horseweed	Conyza canadensis	/	35
0.01				Cross small drainage.
0.01	l	36		slender tarweed	Hemizonia fasciculata	/	17
0.02	r			(chaparral beard-tongue, Keckiella antirrhinoides var. antirrhinoides)
0.02	l	37		chaparral yucca	Yucca whipplei	3 / 3	31
0.02	l	38		*sow thistle	Sonchus oleraceus	/	41
N0.02	b	39		Torrey's scrub oak	Quercus acutidens	20 / 5	26
0.02	r			(bush monkeyflower, Mimulus aurantiacus)
0.02	l	40	ssp	purple snapdragon	Antirrhinum nuttallianum ssp. nuttallianum	50 / 5	18
0.03	l	41		mission manzanita	Xylococcus bicolor	2 / 2	14
0.03	b	42		*narrowleaf filago	Filago gallica	/	45
N0.04	l	43		climbing bedstraw	Galium nuttallii ssp. nuttallii	20 / 9	30
N0.04	l	44		*petty spurge	Euphorbia peplus	3 / 1	10
0.04	l	45		purple head	Acourtia microcephala	3 / 2	19
0.04	l	46		golden yarrow	Eriophyllum confertiflorum var. confertiflorum	10 / 9	55
0.04	l	47		blue dicks	Dichelostemma capitatum ssp. capitatum	/	46
0.04	r	48		telegraph weed	Heterotheca grandiflora	10 / 9	35
0.04	r	49		Parish's purple nightshade	Solanum parishii	3 / 3	20
0.04	l	50		*California burclover	Medicago polymorpha	99 / 9	40
0.04	l	51		*soft chess	Bromus hordeaceus	/	40
0.04	r	52		*redstem filaree	Erodium cicutarium	10 / 1	55
0.04	b	53		silver puffs	Uropappus lindleyi	/	26
0.04	l	54		strigose lotus	Lotus strigosus	/	33
0.04	r	55		short-winged deerweed	Lotus scoparius var. brevialatus	10 / 9	22
V0.04	l	56		bush monkeyflower	Mimulus aurantiacus	20 / 9	42
0.04	l	57		California chicory	Rafinesquia californica	/	22
V0.04	r	58		slender wreathplant	Stephanomeria exigua ssp. deanei	10 / 4	13
0.04	r	59		*smooth cat's ear	Hypochaeris glabra	/	35
0.04	r	60		threadstem	Pterostegia drymarioides	/	30
0.04	l	61		*common groundsel	Senecio vulgaris	/	18
0.04	l	62	sp	miner's lettuce	Claytonia perfoliata ssp. mexicana?+	/
V0.04	l	63		*foxtail barley	Hordeum murinum ssp. leporinum	/	14
	r	64		leafy daisy	Erigeron foliosus var. foliosus	5 / 5	43
V0.06	l	65		canyon clarkia	Clarkia epilobioides	10 / 2	11
V0.06	r	66	ssp	yellow pincushion	Chaenactis glabriuscula var. glabriuscula	/	13
	l			Check for pellitory, Parietaria hespera var. hespera
N0.06	l	67		*prickly sow thistle	Sonchus asper ssp. asper	/	30
0.07	l	68		dwarf lupine	Lupinus bicolor	/	29
0.07	r	69		San Diego birdsfoot lotus	Lotus hamatus	/	24
0.07	r	70		chaparral beard-tongue	Keckiella antirrhinoides var. antirrhinoides	3 / 2	10
0.07	r	71		hollyleaf redberry	Rhamnus ilicifolia	20 / 9	43
0.07	r			Telephone pole
0.07	l	72		wide-throated yellow monkeyflower	Mimulus brevipes	5 / 1	12
0.08	l	73		wild canterbury bells	Phacelia minor	/	21
0.08	l			(white sage, Salvia apiana)
N	l	74		California buckwheat	Eriogonum fasciculatum var. foliolosum	10 / 5	51
	l			(California four o'clock, Mirabilis californica)
0.08	l	75		Coulter's lupine	Lupinus sparsiflorus	10 / 2	11
0.09	l	76		*slender wild oats	Avena barbata	/	39
0.09	l	77		meally white pincushion	Chaenactis artemisiifolia	/	14
0.10	l	78		narrowleaf bedstraw	Galium angustifolium ssp. angustifolium	1 / 1	48
0.11	r	79		annual sunflower	Helianthus annuus	1 / 1	12
V0.12	l	80		snapdragon campion	Silene antirrhina	3 / 1	7
0.12	l	81		*windmill pink	Silene gallica	/	33
V0.12	l	82		*Oriental mustard	Sisymbrium orientale	/	12
0.12	l	83		California poppy	Eschscholzia californica	/	29
N	r	84		sand cress	Calyptridium monandrum	/	11
0.12	b	85		San Diego morning-glory	Calystegia macrostegia ssp. tenuifolia	10 / 9	18
0.12	r	86		coast live oak	Quercus agrifolia var. agrifolia	20 / 9	42
0.12	l	87		white sage	Salvia apiana	20 / 9	38
0.13	l			(coffee fern, Pellaea andromedifolia)
N0.13	l	88		rattlesnake weed	Daucus pusillus	/	28
0.13	l	89	~	wild celery	Apiastrum angustifolium	/	14
N0.13	l	90		California chalk lettuce	Dudleya pulverulenta ssp. pulverulenta	3 / 2	10
N0.13	l	91		goldback fern	Pentagramma triangularis ssp. triangularis	10 / 3	24
V0.13	r	92		*Natal grass	Rhynchelytrum repens	1 / 1	3
0.15				Road curves left 45°.
0.15	r	93	~	California dodder	Cuscuta californica var. californica	1 / 1	17
V0.16		94		south coast morning-glory	Calystegia macrostegia ssp. intermedia	5 / 2	19
v0.16	l	95		narrow-leaved miner's lettuce	Claytonia parviflora ssp. parviflora+	/	19
V0.16	r	96		*smilo grass	Piptatherum miliaceum	20 / 5	19
N0.16	r	97		*common chickweed	Stellaria media	/	25
0.16	l	98		California four o'clock	Mirabilis californica	1 / 1	23
V0.17	l	99		white everlasting	Gnaphalium canescens ssp. microcephalum	5 / 5	36
N0.17	r	100		*Italian thistle	Carduus pycnocephalus	20 / 5	21
V0.18	r	101		fragrant everlasting	Gnaphalium canescens ssp. beneolens	/	23
0.18				Road curves right 45°.
0.18	l	102		stinging lupine	Lupinus hirsutissimus	1 / 1	15
0.18	l	103		angel's gilia	Gilia angelensis	5 / 1	14
0.19	r	104		branching phacelia	Phacelia ramosissima var. latifolia	10 / 9	34
0.20	b	105		white nightshade	Solanum douglasii	4 / 4	15
0.21	r	106		collar lupine	Lupinus truncatus	10 / 2	24
0.21	r	107	~	Emory's baccharis	Baccharis emoryi	2 / 2	8
0.21	r			Jct. path to Santa Margarita River.
V0.22	r	108		arrow-weed	Pluchea sericea	2 / 1	2
0.22	r	109		chaparral bush mallow	Malacothamnus fasciculatus	2 / 1	14
0.22	r	110		western ragweed	Ambrosia psilostachya	20 / 5	36
0.22	l			(arroyo willow, Salix lasiolepis)
0.22	l	111		wild grape	Vitis girdiana	50 / 9	7
0.22	l	112		mule fat	Baccharis salicifolia	2 / 1	40
V0.22	l	113		pit-seed goosefoot	Chenopodium berlandieri	5 / 1	7
0.22	r			(western sycamore, Platanus racemosa)
0.22	r			(mugwort, Artemisia douglasiana)
0.23	r	114		California blackberry	Rubus ursinus	20 / 4	13
0.23				Cross Stone Creek; elevation 460 feet.
0.23	l	115		heartleaf penstemon	Keckiella cordifolia	20 / 5	27
N0.23	l	116	sp	California brome	Bromus carinatus var. carinatus	2 / 1	24
0.23	r	117		*ripgut brome	Bromus diandrus	/	51
V0.23	r	118		*tree tobacco	Nicotiana glauca+	0 / 1	19
0.24	l	119		poison oak	Toxicodendron diversilobum	99 / 9	43
0.24	r	120		silky lotus	Lotus heermannii var. heermannii	5 / 3	6
0.24	l	121		*prickly lettuce	Lactuca serriola	1 / 1	42
0.24	l			Jct. road along Stone Creek; turn left and take it.
0.24	r	122		fiesta flower	Pholistoma auritum var. auritum	20 / 1	11
0.24	r	123		common bedstraw	Galium aparine	30 / 2	38
0.24	l	124		miner's lettuce	Claytonia perfoliata ssp. perfoliata	20 / 2	22
0.25				Pass through two gates.
0.25	r	125		coffee fern	Pellaea andromedifolia	20 / 5	22
0.26	r	126	sp	virgin's bower	Clematis pauciflora	30 / 4	12
N0.26	r	127		triangular-fruit sedge	Carex triquetra	/	17
0.26		128		sugar bush	Rhus ovata	20 / 9	25
V0.27	b	129		Fish's milkwort	Polygala cornuta var. fishiae	50 / 9	5
0.29	l	130		western sycamore	Platanus racemosa	10 / 9	27
0.29	r	131		mugwort	Artemisia douglasiana	10 / 2	28
0.29	r	132		giant wild-rye	Leymus condensatus	10 / 5	27
0.30	l	133		San Diego sedge	Carex spissa	30 / 9	5
V0.31	l	134	~	basket rush	Juncus textilis	5 / 1	5
0.32				Trail curves left.
0.32	l			(oleander, Nerium oleander)
0.35				Trail curves right 90°
0.37	l	135	?	unk rosette like mullein	?	1 / 1
0.38	r	136		California polypody	Polypodium californicum	20 / 3	16
V0.38	l	137		scarlet monkeyflower	Mimulus cardinalis	5 / 2	12
0.38				Trail turns left 30°
0.39	r	138		toyon	Heteromeles arbutifolia	1 / 1	44
0.39	r			Plastic pipe marker "O.W.5"
0.40	r			Jct. small drainage
0.41	l	139		basketbush	Rhus trilobata	/	24
0.41	l	140		California wild rose	Rosa californica	2 / 1	11
N0.41	l	141	ssp	sticky cinquefoil	Potentilla glandulosa ssp. glandulosa	1 / 1	17
0.41	l	142		goldenrod	Solidago californica	10 / 1	35
0.43	r			Woodrat's nest high in tree
0.49	r	143		San Diego pea	Lathyrus vestitus var. alefeldii	2 / 2	21
N0.51	r	144		Ramona lilac	Ceanothus tomentosus var. olivaceus	1 / 1	9
0.51				Trails climbs a slight rise.
0.53				Leave grid C8 for San Diego County Plant Atlas; enter grid C9.
0.54	r	145		San Diego mountain mahogany	Cercocarpus minutiflorus	1 / 1	12
0.54	r			Jct. very small drainage
0.56	l	146		*fennel	Foeniculum vulgare	2 / 2	13
0.56	l			Plastic pipe marker "O.W.4"
N0.58	r	147		California sweet-cicely	Osmorhiza brachypoda	30 / 2	6
0.59				Switchback right.
N0.59	r	148		Pacific sanicle	Sanicula crassicaulis	10 / 3	20
0.59	l	149		bracken	Pteridium aquilinum var. pubescens	5 / 1	9
0.59	l	150		red willow	Salix laevigata	1 / 1	21
0.64	r			Field of California sweet-cicely, Osmorhiza brachypoda.
0.69	l	151		*common plantain	Plantago major	5 / 1	6
0.69	l	152		water cress	Rorippa nasturtium-aquaticum	20 / 1	11
0.69				Cross Stone Creek; elevation ~555 feet.
0.69	l	153	~	umbrella sedge	Cyperus eragrostis	3 / 1	11
N0.70	r	154	~	*whorled dock	Rumex conglomeratus	5 / 1	9
V0.70	r	155		*umbrella plant	Cyperus involucratus	3 / 1	3
N0.71	r	156	ssp	Hooker's evening-primrose	Oenothera elata ssp. hirsutissima	1 / 1	10
0.73	l	157		caterpillar phacelia	Phacelia cicutaria var. hispida	5 / 1	16
N0.74	c	158		*Crete weed	Hedypnois cretica	20 / 1	19
0.75	l	159		Bigelow's spike-moss	Selaginella bigelovii	10 / 3	19
0.76	l	160		ladies fingers	Dudleya edulis	1 / 1	9
0.76	l	161		bird's-foot fern	Pellaea mucronata var. mucronata	1 / 1	30
V0.76	l	162		San Diego wreathplant	Stephanomeria diegensis	3 / 1	21
N0.79	c	163		*Australian brass-buttons	Cotula australis	20 / 1	17
0.80	l			Jct small drainage
0.83				Leave San Diego County; Enter Riverside County.
0.88				Guide ends at intersection with road to South Field Station; elevation 580 feet. Turn left, go uphill and through the orchard to return to the beginning.
				Species found on a previous trip, but without recorded locations:
		164		southern Indian pink	Silene laciniata ssp. major	/	20
N		165		*hedge mustard	Sisymbrium officinale	/	20
v		166	sp	slender-pod jewelflower	Caulanthus heterophyllus var. pseudosimulans	/	3
		167		checkerbloom	Sidalcea malviflora ssp. sparsifolia	/	25

http://tchester.org/sd/plants/guides/smer/stone_creek_loop.html
Last update: 22 August 2005.