Plant Guide to Weir Trail / Lower Doane Valley Trail Loop, Palomar Mountain State Park

Mile	S	#	id?	Common Name	Latin Name	#here	#all
0.00				Begin Weir / Doane Valley Nature Trail at southwest corner of Doane Pond Parking Area; elevation ~4660 feet (1420 m).
0.00	b	1		*redstem filaree	Erodium cicutarium	/	40
0.00	b	2		Spanish clover	Lotus purshianus var. purshianus	50 / 5	16
0.00	b	3		*downy brome	Bromus tectorum	/	19
0.00	l	4		dwarf lupine	Lupinus bicolor	/	19
0.00	b	5		*shortpod mustard	Hirschfeldia incana	/	40
0.00	c	6		*knotweed	Polygonum arenastrum	/	9
0.00	r	7		wild tarragon	Artemisia dracunculus	/	20
0.00	l	8		*pineapple weed	Chamomilla suaveolens	/	14
0.00	r	9		California-aster	Lessingia filaginifolia var. filaginifolia	/	40
0.00	r	10		*soft chess	Bromus hordeaceus	/	28
0.00	r	11		*wall bedstraw	Galium parisiense	/	4
0.00	r	12		hoary coffeeberry	Rhamnus tomentella ssp. tomentella	1 / 1	2
0.00	r			Brochure box containing a Guide to the Doane Valley Nature Trail
0.00	l			Sign: "Doane Valley Nature Trail; Weir 1.2 mi; Baptist Trail 0.5 mi; French Creek 1.2 mi; Lookout 2.5 mi"
0.00	b	13		stinging nettle	Urtica dioica ssp. holosericea	99 / 9	8
0.00	l			Signpost "1" for stinging nettle, Urtica dioica ssp. holosericea.
0.01	l	14		arroyo willow	Salix lasiolepis	10 / 2	27
0.01	r	15		Mexican rush	Juncus mexicanus	99 / 5	9
0.01	r	16	~	*common mullein	Verbascum thapsus	2 / 2	3
0.01	l	17	sp	Pacific rush?	Juncus effusus var. pacificus?	/	2
0.01	l	18		California wild rose	Rosa californica	40 / 9	11
0.01	l	19	~	*Italian thistle	Carduus pycnocephalus	20 / 4	12
0.01	l	20		winter cress	Barbarea orthoceras	/	5
0.01	b	21	sp	musk monkeyflower?	Mimulus moschatus?	/
0.01	r	22		popcorn flower	Cryptantha intermedia	/	21
0.01	b	23	~	rigid hedge-nettle	Stachys ajugoides var. rigida	10 / 2	3
0.01	r	24	~	virgin's bower	Clematis ligusticifolia	5 / 5	8
0.01	r	25	?	bluegrass?	Poa sp.?	/
0.01	l	26		dock?	Rumex sp.?	/
0.01				Cross creek.
0.01	l	27		woodland strawberry	Fragaria vesca	30 / 5	2
0.01	r	28		sticky cinquefoil	Potentilla glandulosa ssp. reflexa	30 / 5	8
0.01	r	29	~	Fremont's goosefoot	Chenopodium fremontii	/	10
0.01	l	30		California black oak	Quercus kelloggii	/	11
0.01	b	31		branching phacelia	Phacelia ramosissima var. latifolia	/	25
0.02	l	32		incense-cedar	Calocedrus decurrens	99 / 9	11
0.02	l	33	?	unk grass like melica
0.02	r	34		*common dandelion	Taraxacum officinale	/	3
0.02	r			Signpost "2" for wild rose, Rosa californica.
	l	35		canyon live oak	Quercus chrysolepis	/	19
0.04				Cross another creek on a bridge.
0.05				Cross paved park road
0.05	r	36	ssp	blue wildrye	Elymus glaucus	20 / 4	5
0.05	r	37	~	goldenrod	Solidago californica	/	25
0.06	r	38	?	baby checkerbloom?	Sidalcea malviflora ssp. sparsifolia?	/	14
0.06	l	39		California blackberry	Rubus ursinus	/	13
0.06	r	40		mountain sweet-cicely	Osmorhiza chilensis	50 / 5	4
0.07	l			Signpost "3" for "Doane Creek, pronounced "doe-n", containing water from several springs.
0.08				Cross Doane Creek
0.08	r	41	~	mountain bog bulrush	Scirpus microcarpus	/	1
0.08	r	42		mountain pink currant	Ribes nevadense	10 / 3	6
0.08	l			Check for different Juncus.
0.08	l	43	sp	creeping snowberry	Symphoricarpos mollis	/	6
0.09	l	44		common bedstraw	Galium aparine	/	25
0.09	l	45		bracken	Pteridium aquilinum var. pubescens	/	8
0.09	r	46	?	unk tree
0.09	l	47		Utah service-berry	Amelanchier utahensis	/	7
0.09	r	48	sp	velvet ash?	Fraxinus velutina?	/
0.10	l			Signpost "4" for serviceberry, Amelanchier utahensis.
0.10	r	49		thimbleberry	Rubus parviflorus	30 / 5	2
0.10	l	50		hairy honeysuckle	Lonicera hispidula var. vacillans	1 / 1	1
0.11	l			Signpost "5" for "Life in a Log".
0.12	r	51		poison oak	Toxicodendron diversilobum	99 / 9	33
0.12	l	52	sp	Child's collinsia	Collinsia childii	99 / 5	1
0.12	r	53		*ripgut brome	Bromus diandrus	/	38
	l	54	sp	Sierra gooseberry?	Ribes roezlii var. roezlii?	2 / 2
0.13	r	55	?	unk grass
	l	56		diamond-petaled clarkia	Clarkia rhomboidea	50 / 7	4
0.14	r			Signpost "6" for thimbleberry, Rubus parviflorus.
0.16	r			Signpost "7" for white fir, Abies concolor.
0.16	l			(Fendler's meadow-rue, Thalictrum fendleri var. fendleri)
0.16	l	57		woolly angelica	Angelica tomentosa	30 / 5	1
0.16	r	58		white fir	Abies concolor	/	17
0.18	l	59		blue elderberry	Sambucus mexicana	/	37
0.18	l			Signpost "8" for "Landslide! From 80 inches of rain in 1992-1993". Note the huge stone crib / wall constructed above trail.
0.18	l	60	sp	groundsmoke	Gayophytum diffusum ssp. parviflorum	50 / 3	10
0.18	r	61		miner's lettuce	Claytonia perfoliata ssp. perfoliata	/	14
0.18	l	62	sp	one-sided bluegrass	Poa secunda ssp. secunda	/	21
0.18	r	63		box elder	Acer negundo var. californicum	/	1
0.18	l	64		wild pepper-grass	Lepidium virginicum var. pubescens	/	4
0.19	r	65		large-flowered collomia	Collomia grandiflora	/	3
0.20	l	66		western columbine	Aquilegia formosa	5 / 1	4
0.20	l			Signpost "9" for Parish's burning bush, Euonymus occidentalis var. parishii.
0.20	l	67		Parish's burning bush	Euonymus occidentalis var. parishii	10 / 3	1
0.24	r			(white alder, Alnus rhombifolia)
0.25	r			A small "chair" carved into a stump.
0.26	l			Signpost "10" for "Berry Alley" - mountain pink currant (Ribes nevadense), white-bark raspberry (Rubus leucodermis), and wild strawberry (Fragaria vesca).
0.26	l	68		white-bark raspberry	Rubus leucodermis	1 / 1	3
0.27				Y-jct. Go right on Doane Valley Nature Trail for a optional brief excursion, not counted in the mileage in the rest of the guide. (Left is Weir Trail, also signed to Boucher Lookout)
	l	69		phlox-leaved bedstraw	Galium andrewsii ssp. andrewsii	3 / 3	4
	r	70	sp	sedge with triangular fruit	Carex sp.	/
0.33	r			Signpost "11" for "Lichens and Mosses"
0.35	l			Signpost "12" for white alder, Alnus rhombifolia.
		71		white alder	Alnus rhombifolia	/	9
	l			Signpost "13" for "Plant Competition", the shading-out of plants underneath the forest canopy.
	r	72		whisker-brush	Linanthus ciliatus	20 / 2	5
	l			Signpost "14" for a huge "incense-cedar", Calocedrus decurrens. We measured this tree to be 72 feet tall, with a diameter at breast height of 7.1 feet, derived from its circumference of 22.4 feet. Please stay behind the fence to prevent compacting the soil and killing this tree.
	r	73		Parish' Jacumba milk-vetch	Astragalus douglasii var. parishii	10 / 3	3
	r	74	?	sticky lessingia	Lessingia glandulifera var. glandulifera	/	1
	r	75		mustang mint	Monardella lanceolata	20 / 2	3
	r	76		clustered field sedge	Carex praegracilis	/	2
	l	77	sp	suncup	Camissonia sp.	/
0.40	r	78		dove weed	Eremocarpus setigerus	/	12
				End excursion on Doane Valley Nature Trail; return to the Weir Trail by backtracking to the jct. at mile 0.27.
0.27	r			Back at the jct. with the Weir Trail. Go right on it. Some species from the excursion are also listed below, but not numbered as new species. Note that the mileage now does not include the previous optional excursion.
0.42	b			(ocellated Humboldt lily, Lilium humboldtii ssp. ocellatum
0.44	l	79		cliff sword fern	Polystichum imbricans ssp. curtum	2 / 2	1
0.55	l	80		Palmer's ceanothus	Ceanothus palmeri	10 / 5	5
0.61	l			Jct. trail to Overlook. Stay right.
0.61	r	81		spreading dogbane	Apocynum androsaemifolium	20 / 5	2
0.61	b	82	ssp	western vervain	Verbena lasiostachys var. scabrida	10 / 2	3
0.64	l			Note the fallen trunk, which begins with two separate trees that then merge, with growth rings around both of them after the merger.
0.64	l	83		Sierra Nevada lotus	Lotus nevadensis var. nevadensis	5 / 1	5
0.64	l			whisker-brush	Linanthus ciliatus	/
	l	84		California needlegrass	Achnatherum occidentale ssp. californicum	/	5
	b	85		mugwort	Artemisia douglasiana	30 / 5	25
	b	86	sp	sticky false-gilia	Allophyllum glutinosum	1 / 1	6
	b	87		yarrow	Achillea millefolium	30 / 5	10
0.67	r	88	?	unk like caulanthus?	?	/
0.68	l			mustang mint	Monardella lanceolata	/
0.70	r	89		leafy daisy	Erigeron foliosus var. foliosus+	5 / 2	32
0.71	r	90	ssp	(Eastwood manzanita, Arctostaphylos glandulosa ssp. zacaensis)
0.71	r	91		broad-leaved lotus	Lotus crassifolius var. crassifolius	10 / 2	5
0.71	r	92	ssp	*rattail fescue	Vulpia myuros	/	8
	l	93		white everlasting	Gnaphalium canescens ssp. microcephalum	/	31
	l	94		western choke-cherry	Prunus virginiana var. demissa	/	6
0.78	r	95		California coffeeberry	Rhamnus californica ssp. californica	/	12
	l	96	ssp	squirreltail	Elymus elymoides	20 / 5	6
0.81	l	97		Cleveland's horkelia	Horkelia clevelandii	5 / 1	2
0.81	l			(western wallflower, Erysimum capitatum ssp. capitatum)
0.81	l	98	~	California milkweed	Asclepias californica	10 / 2	2
0.81	r	99		water cress	Rorippa nasturtium-aquaticum	10 / 2	9
0.81	l	100		*spearmint	Mentha spicata var. spicata	5 / 1	2
0.81	l	101	sp	buckwheat	Eriogonum sp.	/
0.81	r	102		creeping leather root	Hoita orbicularis	5 / 1	1
0.81	r	103		Pacific oenanthe	Oenanthe sarmentosa	5 / 1	1
0.81	l	104		cows clover	Trifolium wormskioldii	/	4
0.81	l	105		small-head field clover	Trifolium microcephalum	/	4
0.81	l	106		streambank Lotus	Lotus oblongifolius var. oblongifolius	20 / 1	2
0.81	r	107		common monkeyflower	Mimulus guttatus	20 / 2	7
0.81	l	108		*forget-me-not	Myosotis discolor+	10 / 1	1
0.81	l	109	sp	upright knotweed	Polygonum sp.	1 / 1
0.81	l	110		Scouler's St. Johnswort	Hypericum formosum var. scouleri	5 / 1	1
0.81	l	111		*corn speedwell	Veronica arvensis	5 / 1	1
0.81	l	112	~	willowherb	Epilobium ciliatum ssp. ciliatum	/	15
0.81				Cross Doane Creek
0.81	r	113		*sweet william	Dianthus barbatus ssp. barbatus+	1 / 1	1
0.82				Y-jct. Go left on Weir Trail. (Trail to right is connector to Lower Doane Valley Trail)
	r			checkerbloom	Sidalcea malviflora ssp. sparsifolia+	/
0.82	r	114		bush lupine	Lupinus excubitus var. hallii	3 / 1	4
0.83	l	115		field horsetail	Equisetum arvense	10 / 2	2
	r	116		San Diego pea	Lathyrus vestitus var. alefeldii	3 / 3	15
0.84				Cross Doane Creek
	l	117		little spring beauty	Claytonia exigua ssp. exigua	3 / 1	3
	r			(western azalea, Rhododendron occidentale, across creek.)
	l	118		narrowleaf bedstraw	Galium angustifolium ssp. angustifolium	/	41
	r	119		western dogwood	Cornus sericea ssp. occidentalis	/	1
	l	120	ssp	California fuchsia	Epilobium canum	/	11
0.94	l			Check for different plant like Penstemon here, but smaller-flowered
0.95	l	121	ssp	Fendler's meadow-rue	Thalictrum fendleri var. fendleri	5 / 1	2
0.96	b	122		western azalea	Rhododendron occidentale	5 / 2	2
0.96	c	123		turion duckweed	Lemna turionifera	99 / 1	1
0.96				Check for paintbrush off-trail up slope, and a very hairy/fuzzy, tall plant in the water with bloom buds just starting on 6/26/04.
0.96				End of Weir Trail at Pond upstream of the Weir; lowest point on route, elevation 4440 feet (1355 m). Turnaround.
1.10				Y-jct. Go left on connector to Lower Doane Valley Trail instead of continuing back on the Weir Trail.
		124		ponderosa pine	Pinus ponderosa+	/	3
		125		Jeffrey pine	Pinus jeffreyi+	/	18
		126		coast live oak	Quercus agrifolia var. agrifolia+	/	33
		127		slender cinquefoil	Potentilla gracilis var. fastigiata	5 / 1	1
	r	128		blue-eyed grass	Sisyrinchium bellum	/	13
	l	129		elk thistle	Cirsium scariosum	1 / 1	5
1.40				Jct. Lower Doane Valley Trail. Go left on it for a short distance for a optional brief excursion, not counted in the mileage in the rest of the guide
		130		deergrass	Muhlenbergia rigens	/	12
	r	131		western buttercup	Ranunculus occidentalis+	5 / 1	6
		132	sp	purslane speedwell	Veronica peregrina ssp. xalapensis	/	2
1.45				End excursion westward; turn around and head up Lower Doane Valley Trail to the campground.
1.40				Back at the previous jct. with the Weir Trail. Continue straight. Note that the mileage now does not include the previous optional excursion.
	l	133		California meadow barley	Hordeum brachyantherum ssp. californicum	/	1
	r	134		*English plantain	Plantago lanceolata+	/	15
1.43	b	135		basketbush	Rhus trilobata	5 / 2	16
	r	136		purple clarkia	Clarkia purpurea ssp. quadrivulnera	/	15
	l	137		grand mountain dandelion	Agoseris grandiflora	/	8
	r	138		common linanthus	Linanthus parviflorus	10 / 3	8
		139		southern coast live oak	Quercus agrifolia var. oxyadenia	/	6
1.55	?	140		sapphire woolly-star?	Eriastrum sapphirinum?	1 / 1
1.55				Jct. French Valley Trail.
	l	141		California buckwheat	Eriogonum fasciculatum var. foliolosum	/	39
1.58	l	142		spear-leaved mountain dandelion	Agoseris retrorsa	/	11
1.60	l	143		(Alaska rein orchid, Piperia unalascensis)
1.62	l	144		whorledleaf penstemon	Keckiella ternata var. ternata	/	5
	l	145		wide-throated yellow monkeyflower	Mimulus brevipes	10 / 1	6
	l	146		imbricate phacelia	Phacelia imbricata ssp. patula+	/	14
1.63	l	147		bristly bird's beak	Cordylanthus rigidus ssp. setigerus	/	21
1.65				(Look for spotted coralroot, Corallorhiza maculata offtrail under heavy shade of trees)
	l	148		slender madia	Madia gracilis	/	9
	l	149		Chinese houses	Collinsia heterophylla	/	10
	l	150		scarlet bugler	Penstemon centranthifolius	1 / 1	7
	l	151	sp	common plantain?	Plantago major?	/
		152		Orcutt's brome	Bromus orcuttianus	/	6
1.72				"Low Bridge" under a fallen tree.
1.77	r	153		*slender wild oats	Avena barbata	10 / 1	25
1.78	l	154		chaparral whitethorn	Ceanothus leucodermis	3 / 1	12
1.79	l	155		strigose lotus	Lotus strigosus	1 / 1	25
1.80	r			Jct. other end of Doane Valley Nature Trail.
1.84				Jct. campground; highest elevation on route, ~4680 feet (1425 m); turn right to return to trailhead.
2.08				End guide back at trailhead.

http://tchester.org/sd/plants/guides/palomar/weir_loop.html
Updated 29 June 2004.