Plant Guide to Iron Mountain Trail, Poway

Mile	S	#	id?	Common Name	Latin Name	#here	#all
0.00				Begin trail at SR67 entrance just south of Poway Road
0.00	b	1		*shortpod mustard	Hirschfeldia incana	99 / 9
0.00	b	2		*foxtail barley	Hordeum murinum	5 / 1
0.00	b	3		dove weed	Eremocarpus setigerus	30 / 5
0.00	r	4		western ragweed	Ambrosia psilostachya	5 / 1
0.00	b	5		*long-beaked filaree	Erodium botrys	99 / 9
0.00	r	6		*smooth cat's ear	Hypochaeris glabra	99 / 9
0.00	r	7		*prickly sow thistle	Sonchus asper ssp. asper	10 / 9
0.00	r	8		*sow thistle	Sonchus oleraceus	10 / 9
0.00	r	9		*Italian thistle	Carduus pycnocephalus	1 / 1
0.00	r	10	~	horseweed	Conyza canadensis	1 / 1
0.00	b	11		*Russian thistle	Salsola tragus	5 / 2
0.00	r	12		*annual blue grass	Poa annua	2 / 1
0.00	b	13		*soft chess	Bromus hordeaceus	20 / 5
0.00	b	14		*red brome	Bromus madritensis ssp. rubens	50 / 9
0.00	r	15	sp	annual everlasting	Gnaphalium sp.	5 / 1
0.00	r	16		*scarlet pimpernel	Anagallis arvensis	10 / 5
0.00	b	17		California sagebrush	Artemisia californica	10 / 5
0.00	b			(California buckwheat, Eriogonum fasciculatum var. foliolosum)
0.00	b	18		San Diego birdsfoot lotus	Lotus hamatus	5 / 2
0.00	b			(curly dock, Rumex crispus; Spanish clover, Lotus purshianus var. purshianus)
0.00	r	19	~	*wall bedstraw	Galium parisiense	10 / 1
0.00	b	20		*tocalote	Centaurea melitensis	99 / 9
0.00	b	21		*redstem filaree	Erodium cicutarium	99 / 9
0.00	r	22		*California burclover	Medicago polymorpha	50 / 9
0.00	r	23		*horehound	Marrubium vulgare	10 / 5
0.00	r	24		*ripgut brome	Bromus diandrus	20 / 5
0.00	l	25		*Crete weed	Hedypnois cretica	50 / 9
0.00	l	26		*cheeseweed	Malva parviflora	3 / 1
0.00	l	27		*white-stemmed filaree	Erodium moschatum	20 / 5
0.00	l	28		*sourclover	Melilotus indicus	10 / 3
0.00				Cross over culvert
0.00	l	29		*London rocket	Sisymbrium irio	50 / 9
0.00	l	30	ssp	big sagebrush	Artemisia tridentata	2 / 1
0.00	l			(laurel sumac, Malosma laurina; chaparral bush mallow, Malacothamnus fasciculatus)
0.01	r			Kiosk
0.01	b	31		coast live oak	Quercus agrifolia var. agrifolia	20 / 1
0.01	b	32	~	*nettle-leaved goosefoot	Chenopodium murale	10 / 2
0.02	l	33		narrow-leaf milkweed	Asclepias fascicularis	1 / 1
0.02	l			(planted pine, Pinus sp.; eucalyptus, Eucalyptus sp.; purple wild radish, Raphanus sativus)
0.02	r	34		sacred datura	Datura wrightii	1 / 1
0.03	l	35		rattlesnake weed	Chamaesyce albomarginata	1 / 1
	r	36		planted pine	Pinus sp.	/
	l	37		*purple wild radish	Raphanus sativus	5 / 2
	l	38		*prickly lettuce	Lactuca serriola	1 / 1
	l	39		laurel sumac	Malosma laurina	10 / 3
	l	40		*winter vetch	Vicia villosa ssp. varia	10 / 2
	l	41		California-aster	Lessingia filaginifolia var. filaginifolia	5 / 2
	l	42		saw-toothed goldenbush	Hazardia squarrosa var. grindelioides	30 / 9
	r	43		California buckwheat	Eriogonum fasciculatum var. foliolosum	10 / 3
	l	44		deerweed	Lotus scoparius var. scoparius	30 / 5
	r	45		broom baccharis	Baccharis sarothroides	10 / 3
0.10	r	46		white sage	Salvia apiana	10 / 3
	r	47		bicolored everlasting	Gnaphalium bicolor	3 / 3
	l	48		golden yarrow	Eriophyllum confertiflorum var. confertiflorum	30 / 9
	l	49	~	chaparral bush mallow	Malacothamnus fasciculatus	10 / 5
	r			(California four o'clock, Mirabilis californica)
	l			(fragrant everlasting, Gnaphalium canescens ssp. beneolens)
	l	50	~	holly-leaf navarretia	Navarretia atractyloides	1 / 1
	l	51		small-seeded spurge	Chamaesyce polycarpa	1 / 1
	r	52		popcorn flower	Cryptantha intermedia	20 / 3
	r	53		red maids	Calandrinia ciliata	10 / 3
	b			Sign: "Remain on trail"
	l	54		slender tarweed	Hemizonia fasciculata	10 / 1
	r			Road rejoins trail
	l	55		wild-cucumber	Marah macrocarpus var. macrocarpus	2 / 2
	r	56		*mouse-ear chickweed	Cerastium glomeratum	5 / 1
	r	57		*windmill pink	Silene gallica	30 / 5
	b	58		common fiddleneck	Amsinckia menziesii var. intermedia	5 / 1
0.25	l	59		slender sunflower	Helianthus gracilentus	30 / 9
	r			(coastal goldenbush, Isocoma menziesii)
	r	60		*lesser swine cress	Coronopus didymus	5 / 1
	r	61		bush monkeyflower	Mimulus aurantiacus	30 / 9
	r			(Ramona-lilac, Ceanothus tomentosus var. olivaceus)
	r	62		small-flowered soap plant	Chlorogalum parviflorum	30 / 9
	r	63	sp	filago	Filago sp.	30 / 9
	r	64	sp	tiny annual clover	Trifolium microcephalum?	1 / 1
	r	65	ssp	western thistle	Cirsium occidentale	1 / 1
	l			Jct. trail and signpost to Ellie Lane trailhead
	l	66		coastal goldenbush	Isocoma menziesii	2 / 2
	l			Two porta-potties
	l	67		stinging lupine	Lupinus hirsutissimus	1 / 1
	l			(dwarf nettle, Urtica urens)
	l	68		Ramona-lilac	Ceanothus tomentosus var. olivaceus	99 / 9
	l	69		chaparral yucca	Yucca whipplei	30 / 9
	r	70	sp	prickly-pear	Opuntia sp.	1 / 1
	r			(California goosefoot, Chenopodium californicum)
	r	71		*slender wild oats	Avena barbata	50 / 9
	l	72	~	purple needlegrass	Nassella pulchra	1 / 1
	l	73		blue dicks	Dichelostemma capitatum ssp. capitatum	5 / 2
	l			(chia, Salvia columbariae)
0.50	b	74		chamise	Adenostoma fasciculatum	50 / 9
	r		~	(Engelmann oak, Quercus engelmannii)
	l	75		ashy spike-moss	Selaginella cinerascens	20 / 9
	l	76		Bigelow's spike-moss	Selaginella bigelovii	2 / 1
	l	77		bird's-foot fern	Pellaea mucronata var. mucronata	3 / 3
	l			(silver puffs, Uropappus lindleyi)
	l	78		strigose lotus	Lotus strigosus	10 / 3
	r	79		*common groundsel	Senecio vulgaris	20 / 5
	r			(Torrey's scrub oak, Quercus acutidens; bush poppy, Dendromecon rigida)
	r	80		Parish's purple nightshade	Solanum parishii	20 / 9
	r			(goldentop, Lamarckia aurea)
	l	81		California plantain	Plantago erecta	20 / 1
	r			(meadow-rue, Thalictrum fendleri var. polycarpum)
	l	82		*nit grass	Gastridium ventricosum	2 / 1
	l	83		foothill needlegrass	Nassella lepida	1 / 1
	l	84		hairyleaf redberry	Rhamnus pilosa	20 / 9
	r			(southern honeysuckle, Lonicera subspicata var. denudata)
	l	85	sp	phacelia	Phacelia sp.	10 / 2
	l	86		threadstem	Pterostegia drymarioides	30 / 2
				Cross creek to right
	l			(San Diego mountain mahogany, Cercocarpus minutiflorus; eucrypta, Eucrypta chrysanthemifolia var. chrysanthemifolia)
				I failed to record the first on-trail occurrence of the following taxon, which occurs somewhere after this point
		87		San Diego mountain mahogany	Cercocarpus minutiflorus	/
	r			(sugar bush, Rhus ovata; California everlasting, Gnaphalium californicum)
	l	88		scarlet larkspur	Delphinium cardinale	50 / 9
	l			(California bee plant, Scrophularia californica ssp. floribunda)
	l	89	sp	Mariposa lily	Calochortus sp.	1 / 1
	l	90		mission manzanita	Xylococcus bicolor	30 / 9
	l	91		white-flowering currant	Ribes indecorum	5 / 3
	r	92		bigberry manzanita	Arctostaphylos glauca	10 / 9
	l			(triangular-fruit sedge, Carex triquetra)
	l	93	~	*Mediterranean schismus	Schismus barbatus	1 / 1
	l			(poison oak, Toxicodendron diversilobum)
				Cross creek to left
	l	94		San Diego pea	Lathyrus vestitus var. alefeldii	5 / 3
	l	95	~	eucrypta	Eucrypta chrysanthemifolia var. chrysanthemifolia	1 / 1
	r	96	~	narrow-leaved miner's lettuce	Claytonia parviflora ssp. parviflora	5 / 1
	r			(silverback fern, Pentagramma triangularis ssp. viscosa; ~purple snapdragon, ~Antirrhinum nuttallianum ssp. nuttallianum)
	r	97		*Australian brass-buttons	Cotula australis	10 / 2
	r	98		climbing bedstraw	Galium nuttallii ssp. nuttallii	5 / 5
	l	99	sp	annual suncup	Camissonia sp.	10 / 3
	l	100		Torrey's scrub oak	Quercus acutidens	10 / 9
	l	101		sugar bush	Rhus ovata	2 / 2
	l			(matchweed, Gutierrezia sarothrae)
	l			Jct. use trail to Iron Mine
	l	102		red-skinned onion	Allium haematochiton	10 / 5
	r			(California buckwheat, Eriogonum fasciculatum var. polifolium)
	l	103		southern California morning-glory	Calystegia macrostegia	1 / 1
	r	104		hollyleaf cherry	Prunus ilicifolia ssp. ilicifolia	2 / 2
	l	105		coast jepsonia	Jepsonia parryi	10 / 1
	l	106		silverback fern	Pentagramma triangularis ssp. viscosa	50 / 9
	l	107		toyon	Heteromeles arbutifolia	3 / 3
	r			(heartleaf penstemon, Keckiella cordifolia)
				Cross creek to right
	r	108		mule fat	Baccharis salicifolia	2 / 1
	r			(Mariposa rush, Juncus dubius)
	b	109		common bedstraw	Galium aparine	10 / 2
	r	110		milk maids	Cardamine californica	50 / 9
	r	111		coast-range melic	Melica imperfecta	10 / 9
	l	112		poison oak	Toxicodendron diversilobum	3 / 2
				Switchback right
	r	113		heartleaf penstemon	Keckiella cordifolia	10 / 5
	l	114	~	California wood fern	Dryopteris arguta	2 / 2
				Switchback left
				Switchback right
		115		Eastwood manzanita	Arctostaphylos glandulosa ssp. zacaensis	99 / 9
				Switchback left
	r	116		California snowdrop bush	Styrax officinalis var. redivivus	99 / 9
	r	117		fire reedgrass	Calamagrostis koelerioides	99 / 9
	r	118		southern Indian pink	Silene laciniata ssp. major	30 / 9
	r	119		southern honeysuckle	Lonicera subspicata var. denudata	20 / 9
	r			Check for goldback fern
	l	120		wild celery	Apiastrum angustifolium	1 / 1
	l			(scaly lipfern, Cheilanthes clevelandii)
	r	121		leafy daisy	Erigeron foliosus var. foliosus	50 / 9
	r	122		narrowleaf bedstraw	Galium angustifolium ssp. angustifolium	10 / 9
	r	123		felt-leaved monardella	Monardella hypoleuca ssp. lanata	50 / 9
	b	124		southern tauschia	Tauschia arguta	20 / 9
	r	125		scaly lipfern	Cheilanthes clevelandii	10 / 3
	r	126		bristly bird's beak	Cordylanthus rigidus ssp. setigerus	20 / 5
	r	127		rush-rose	Helianthemum scoparium	99 / 9
	r	128		Ramona horkelia	Horkelia truncata	30 / 9
	r	129		California everlasting	Gnaphalium californicum	2 / 2
	r	130		white star-lily	Zigadenus fremontii	30 / 9
1.00	r			"1 mile post"
	r	131		canyon silktassel	Garrya veatchii	1 / 1
	b	132		bush poppy	Dendromecon rigida	20 / 5
	r	133	sp	violet	Viola sp.	10 / 5
	r	134		common skullcap	Scutellaria tuberosa	20 / 2
	r	135		California filago	Filago californica	20 / 1
	r	136		pygmy-weed	Crassula connata	20 / 1
	r	137		*Mediterranean pygmy-weed	Crassula tillaea	20 / 1
	r	138	~	Pacific sanicle	Sanicula crassicaulis	1 / 1
	r	139	sp	popcorn flower	Plagiobothrys sp.	10 / 1
	r	140	?	sharp-toothed annual	?	3 / 1
				Switchback right
	l	141		Cleveland sage	Salvia clevelandii	20 / 9
				Switchback left
	b	142		tuberous sanicle	Sanicula tuberosa	40 / 9
	l	143		silver puffs	Uropappus lindleyi	10 / 2
				Cross creek with visible water in April 2007
	r			(miner's lettuce, Claytonia perfoliata ssp. perfoliata)
	l			(goldenrod, Solidago californica)
				Switchback right
				Switchback left
	r			(shiny lomatium, Lomatium lucidum)
	r			(Indian warrior, Pedicularis densiflora)
	b	144		interior live oak	Quercus wislizeni var. frutescens	30 / 9
	r	145		southern mountain misery	Chamaebatia australis	10 / 9
	r	146		California bee plant	Scrophularia californica ssp. floribunda	5 / 2
				T-jct; go right
	r	147		bushrue	Cneoridium dumosum	1 / 1
				Trail turns left 90°
	r	148		Indian warrior	Pedicularis densiflora	30 / 9
	l	149	~	seashore bentgrass	Agrostis pallens	3 / 3
				Trail turns right 90°
	r			(giant needlegrass, Achnatherum coronatum)
	l	150		woolly-fruited lomatium	Lomatium dasycarpum ssp. dasycarpum	20 / 3
	r	151	~	Parish's bluecurls	Trichostema parishii	10 / 3
	r	152		Mohave yucca	Yucca schidigera	1 / 1
1.50	r			"1.5 mile post"
	l			Jct. short Overlook Trail
	r	153		white everlasting	Gnaphalium canescens ssp. microcephalum	1 / 1
	l	154		everlasting nest-straw	Stylocline gnaphaloides	5 / 1
	r	155		tinker's penny	Hypericum anagalloides	10 / 2
	r			(thick-leaved yerba santa, Eriodictyon crassifolium var. crassifolium)
	l			(deergrass, Muhlenbergia rigens)
	l			(oracle oak, Quercus kelloggii X Quercus wislizeni var. frutescens)
	l			(Mexican rush, Juncus mexicanus)
	b	156		thick-leaved yerba santa	Eriodictyon crassifolium var. crassifolium	10 / 3
				Switchback right
	l	157		meadow-rue	Thalictrum fendleri var. polycarpum	10 / 2
	l	158	?	spreading-stiff-hairy tiny ann with alt petioled roundish leaves with truncate base	?	20 / 2
	l	159		rigid hedge-nettle	Stachys ajugoides var. rigida	10 / 1
	l			(San Diego sedge, Carex spissa; willow, Salix sp.)
	l	160		Mexican rush	Juncus mexicanus	10 / 1
				Cross drainage and switchback left
				Switchback right
	l	161		California lace fern	Aspidotis californica	1 / 1
2.00	r			"2.0 mile post"
				Switchback left
				Switchback right
				Switchback left
				Switchback right
				Switchback left
	l	162		giant needlegrass	Achnatherum coronatum	10 / 9
				Switchback right
				Switchback left
	r			Saddle; sign: "Do not cut switchbacks"
	l	163	~	rein orchid	Piperia cooperi	30 / 9
2.50	r			"2.5 mile post"
	r	164		*gazania	Gazania X (mounding hybrid)	2 / 2
	r			(Second oracle oak, Quercus kelloggii X Quercus wislizeni var. frutescens)
				End guide at top of Iron Mountain

http://tchester.org/sd/plants/guides/bser/iron_mountain_trail.html
Updated 12 April 2007.