Plant Guide to North Santa Margarita River Trail, Fallbrook, North San Diego County

Plant Guide to North Santa Margarita River Trail, Fallbrook, North San Diego County

This is a working list, about which I make no guarantees at all until I officially release it. Use at your own risk!

Introduction and Explanation of Plant Trail Guides
Introduction
Highlights of This Trail
Fieldwork Dates and Summary of List Changes With Time
The Plant Guide
Comments On Specific Species
Introduction

Highlights of This Trail

Number of Unique Taxa On This Trail

The following histogram gives the number of trails in my database that contain each taxon on this trail. I had 54 trails in my database when this histogram was made. A number of "1" means the taxon has only been found on this trail among the trails in our database.

Number of Trails
Containing A Taxon Number Of Taxa
On This Trail % of Taxa
On This Trail
1 6 5%
2 6 5%
3 7 6%
4 9 8%
5 5 4%
6 7 6%
7 3 3%
8 6 5%
9 10 9%
10 6 5%
11 8 7%
12 2 2%
13 4 3%
14 3 3%
15 4 3%
16 2 2%
17 5 4%
18 2 2%
19 0 0%
20 2 2%
21 2 2%
22 1 1%
23 0 0%
24 4 3%
25 1 1%
26 2 2%
27 3 3%
28 2 2%
29 2 2%
30 0 0%
31 1 1%
32 1 1%
Total Taxa 116 100%

I found 6 additional species not in the above table, since they have not been identified yet. The unidentified ones are marked with ? or sp in the id? column in the guide.
Fieldwork Dates and Summary of List Changes With Time

The following table gives the dates the trail was walked and taxa recorded. After each visit, the table gives the total number of taxa on the list and the breakdown of the taxa without positive identification. See Explanation of Plant Trail Guides to understand the symbols below.

Visit Date Visit # # taxa # "?" # "sp" # "~" # "ssp"
4/5/2003 1
5/7/2003 2 122 6 2 8 8

The Plant Guide

Version for printing, without lines and other text on this page (4 pages)

Mile S # id? Common Name Latin Name #here #all
0.00 Begin trail to left of gate.
0.00 b 1 *ripgut brome Bromus diandrus / 27
0.00 r 2 *smooth cat's ear Hypochaeris glabra / 17
0.00 r 3 Spanish clover Lotus purshianus var. purshianus / 9
0.00 b 4 *tocalote Centaurea melitensis / 29
0.00 r 5 ssp yellow pincushion Chaenactis glabriuscula var. glabriuscula / 10
0.00 b 6 *little horseweed Conyza bonariensis / 8
0.00 b 7 ssp white-whorled lupine Lupinus microcarpus var. densiflorus / 3
0.00 l 8 rattlesnake weed Daucus pusillus / 9
0.00 l 9 *redstem filaree Erodium cicutarium / 28
0.00 l 10 *shortpod mustard Hirschfeldia incana / 31
0.00 b 11 *poison hemlock Conium maculatum / 5
0.00 l 12 ~ telegraph weed Heterotheca grandiflora / 18
0.00 l 13 collar lupine Lupinus truncatus / 14
0.00 l 14 globe gilia Gilia capitata ssp. abrotanifolia / 2
0.00 l 15 Bishop's lotus Lotus strigosus / 12
0.00 l 16 ssp short-winged deerweed Lotus scoparius var. brevialatus⁺ / 11
0.00 l 17 ~ horseweed Conyza canadensis / 16
0.00 l 18 mugwort Artemisia douglasiana / 18
0.00 l (blue elderberry, Sambucus mexicana)28
0.00 Trail passes through opening to left of gate.
0.00 r 19 ~ *sourclover Melilotus indica⁺ / 9
0.00 l 20 *sow thistle Sonchus oleraceus / 20
0.00 l 21 ? honking lotus? 3-5 leaflets
0.00 l 22 *red brome Bromus madritensis ssp. rubens / 29
0.00 l 23 sticky false-gilia Allophyllum glutinosum / 1
0.00 l (giant-flowered phacelia, Phacelia grandiflora?)1
0.00 l 24 California suncup Camissonia californica / 11
0.00 l 25 ~ California chicory Rafinesquia californica / 13
0.00 r 26 *white sweetclover Melilotus alba / 4
0.00 r 27 ? Torilis sp.?
0.00 r 28 coast live oak Quercus agrifolia var. agrifolia / 27
0.00 r 29 *prickly lettuce Lactuca serriola / 14
0.00 l 30 ? elm?
0.00 r 31 western sycamore Platanus racemosa / 15
0.00 c 32 ~ *common plantain Plantago major / 2
0.00 c 33 *English plantain Plantago lanceolata / 9
0.00 c 34 *windmill pink Silene gallica / 17
0.00 l 35 poison oak Toxicodendron diversilobum / 26
0.00 l 36 ~ San Diego sedge Carex spissa / 4
0.00 l 37 eucrypta Eucrypta chrysanthemifolia var. chrysanthemifolia / 12
0.00 l 38 ? Stachys sp.?
0.00 c 39 ? tarweed?
0.00 r 40 spike bentgrass Agrostis exarata / 1
0.00 r 41 red willow Salix laevigata / 13
0.00 r 42 *rabbits-foot grass Polypogon monspeliensis / 8
0.00 r 43 ? upright Polygonum sp.?
0.01 Cross small drainage
0.01 l 44 mule fat Baccharis salicifolia / 24
Guide incomplete after this point. Just the plants noted during a botany class hike are listed.
r 45 Parry's phacelia Phacelia parryi / 4
46 *California burclover Medicago polymorpha / 25
Jct. loop trail; go left. You'll return to this junction after completing the loop trail.
47 blue dicks Dichelostemma capitatum ssp. capitatum / 21
48 purple owl's clover Castilleja exserta ssp. exserta / 5
49 dwarf lupine Lupinus bicolor / 14
50 splendid mariposa lily Calochortus splendens / 9
51 chia Salvia columbariae / 13
l 52 three spot Osmadenia tenella / 3
53 twining snapdragon Antirrhinum kelloggii / 3
54 threadstem Pterostegia drymarioides / 11
55 southern suncup Camissonia bistorta / 6
56 *crown daisy Chrysanthemum coronarium / 4
57 purple clarkia Clarkia purpurea ssp. quadrivulnera / 8
58 California buckwheat Eriogonum fasciculatum var. foliolosum / 32
59 chaparral yucca Yucca whipplei / 11
60 common pussypaws Calyptridium monandrum / 6
61 ~ fringed spineflower Chorizanthe fimbriata / 1
62 wild canterbury bells Phacelia minor / 10
63 Parish's purple nightshade Solanum parishii / 6
64 stinging lupine Lupinus hirsutissimus / 8
65 everlasting nest-straw Stylocline gnaphaloides / 4
66 chamise Adenostoma fasciculatum / 22
67 California four o'clock Mirabilis californica / 9
68 wild-cucumber Marah macrocarpus var. macrocarpus / 27
69 bristly bird's beak Cordylanthus rigidus ssp. setigerus / 16
r 70 Coulter's snapdragon Antirrhinum coulterianum / 1
71 silver puffs Uropappus lindleyi / 9
l 72 ssp showy penstemon Penstemon spectabilis var. spectabilis / 6
73 sp peppergrass Lepidium sp. /
74 popcorn flower Cryptantha intermedia / 10
75 golden yarrow Eriophyllum confertiflorum var. confertiflorum / 26
76 white sage Salvia apiana / 24
77 angel's gilia Gilia angelensis / 4
78 California mustard Guillenia lasiophylla / 3
l 79 wide-throated yellow monkeyflower Mimulus brevipes / 3
80 leafy daisy Erigeron foliosus var. foliosus / 21
81 ssp rough-seeded blue toad-flax Linaria canadensis var. texana / 4
r 82 ssp Ramona lilac Ceanothus tomentosus var. olivaceus / 2
83 miner's lettuce Claytonia perfoliata ssp. perfoliata / 7
84 San Diego pea Lathyrus vestitus var. alefeldii / 10
85 San Diego morning-glory Calystegia macrostegia ssp. tenuifolia / 15
86 south coast morning-glory Calystegia macrostegia ssp. intermedia / 9
Somewhere around here, cross drainage.
87 caterpillar phacelia Phacelia cicutaria var. hispida / 7
88 small-flowered melica Melica imperfecta / 24
89 common bedstraw Galium aparine / 17
90 ssp purple snapdragon Antirrhinum nuttallianum ssp. nuttallianum / 4
91 *scarlet pimpernel Anagallis arvensis / 13
l 92 sacred datura Datura wrightii / 11
93 ~ *white goosefoot Chenopodium album / 11
94 small-flowered nightshade Solanum americanum / 2
l 95 fiesta flower Pholistoma auritum var. auritum / 9
96 cotton-batting plant Gnaphalium stramineum / 4
l 97 fire poppy Papaver californicum / 1
98 canyon clarkia Clarkia epilobioides / 3
99 acourtia Acourtia microcephala / 10
r 100 ~ tomcat clover Trifolium willdenovii / 5
101 Engelmann oak Quercus engelmannii / 17
102 ssp Menzie's fiddleneck Amsinckia menziesii / 2
103 white everlasting Gnaphalium canescens ssp. microcephalum / 24
104 California filago Filago californica / 9
105 *mouse-ear chickweed Cerastium glomeratum / 10
106 *bristly ox-tongue Picris echioides / 5
107 *soft chess Bromus hordeaceus / 20
108 heartleaf penstemon Keckiella cordifolia / 17
l 109 goldback fern Pentagramma triangularis ssp. triangularis / 11
110 Coulter's lupine Lupinus sparsiflorus / 6
Jct. trail to right; go right on it.
l 111 giant needlegrass Achnatherum coronatum / 15
112 bird's-foot fern Pellaea mucronata var. mucronata / 15
113 foothill needlegrass Nassella lepida / 11
l 114 woolly-fruited lomatium Lomatium dasycarpum ssp. dasycarpum / 3
115 California plantain Plantago erecta / 8
r 116 ground pink Linanthus dianthiflorus / 5
117 small-seeded spurge Chamaesyce polycarpa / 6
118 annual sunflower Helianthus annuus / 7
Trail reaches river bank and turns right.
119 sp Phalaris sp. /
r 120 *milk thistle Silybum marianum / 8
r 121 *black locust Robinia pseudoacacia / 6
r 122 pink sand verbena Abronia umbellata ssp. umbellata / 2
End guide at junction of loop trail with trail leading back to the trailhead.

Comments On Specific Species

Lotus scoparius var. brevialatus. The plants at this location are babies, and hence cannot be identified to the variety. The variety given is that of some plants farther along the trail.
Melilotus indica. The first specimen here didn't have blooms yet, but within a short distance are many plants of this species.

Number of Trails Containing A Taxon	Number Of Taxa On This Trail	% of Taxa On This Trail
1	6	5%
2	6	5%
3	7	6%
4	9	8%
5	5	4%
6	7	6%
7	3	3%
8	6	5%
9	10	9%
10	6	5%
11	8	7%
12	2	2%
13	4	3%
14	3	3%
15	4	3%
16	2	2%
17	5	4%
18	2	2%
19	0	0%
20	2	2%
21	2	2%
22	1	1%
23	0	0%
24	4	3%
25	1	1%
26	2	2%
27	3	3%
28	2	2%
29	2	2%
30	0	0%
31	1	1%
32	1	1%
Total Taxa	116	100%

Visit Date	Visit #	# taxa	# "?"	# "sp"	# "~"	# "ssp"
4/5/2003	1
5/7/2003	2	122	6	2	8	8

Mile	S	#	id?	Common Name	Latin Name	#here	#all
0.00				Begin trail to left of gate.
0.00	b	1		*ripgut brome	Bromus diandrus	/	27
0.00	r	2		*smooth cat's ear	Hypochaeris glabra	/	17
0.00	r	3		Spanish clover	Lotus purshianus var. purshianus	/	9
0.00	b	4		*tocalote	Centaurea melitensis	/	29
0.00	r	5	ssp	yellow pincushion	Chaenactis glabriuscula var. glabriuscula	/	10
0.00	b	6		*little horseweed	Conyza bonariensis	/	8
0.00	b	7	ssp	white-whorled lupine	Lupinus microcarpus var. densiflorus	/	3
0.00	l	8		rattlesnake weed	Daucus pusillus	/	9
0.00	l	9		*redstem filaree	Erodium cicutarium	/	28
0.00	l	10		*shortpod mustard	Hirschfeldia incana	/	31
0.00	b	11		*poison hemlock	Conium maculatum	/	5
0.00	l	12	~	telegraph weed	Heterotheca grandiflora	/	18
0.00	l	13		collar lupine	Lupinus truncatus	/	14
0.00	l	14		globe gilia	Gilia capitata ssp. abrotanifolia	/	2
0.00	l	15		Bishop's lotus	Lotus strigosus	/	12
0.00	l	16	ssp	short-winged deerweed	Lotus scoparius var. brevialatus⁺	/	11
0.00	l	17	~	horseweed	Conyza canadensis	/	16
0.00	l	18		mugwort	Artemisia douglasiana	/	18
0.00	l			(blue elderberry, Sambucus mexicana)28
0.00				Trail passes through opening to left of gate.
0.00	r	19	~	*sourclover	Melilotus indica⁺	/	9
0.00	l	20		*sow thistle	Sonchus oleraceus	/	20
0.00	l	21	?	honking lotus? 3-5 leaflets
0.00	l	22		*red brome	Bromus madritensis ssp. rubens	/	29
0.00	l	23		sticky false-gilia	Allophyllum glutinosum	/	1
0.00	l			(giant-flowered phacelia, Phacelia grandiflora?)1
0.00	l	24		California suncup	Camissonia californica	/	11
0.00	l	25	~	California chicory	Rafinesquia californica	/	13
0.00	r	26		*white sweetclover	Melilotus alba	/	4
0.00	r	27	?	Torilis sp.?
0.00	r	28		coast live oak	Quercus agrifolia var. agrifolia	/	27
0.00	r	29		*prickly lettuce	Lactuca serriola	/	14
0.00	l	30	?	elm?
0.00	r	31		western sycamore	Platanus racemosa	/	15
0.00	c	32	~	*common plantain	Plantago major	/	2
0.00	c	33		*English plantain	Plantago lanceolata	/	9
0.00	c	34		*windmill pink	Silene gallica	/	17
0.00	l	35		poison oak	Toxicodendron diversilobum	/	26
0.00	l	36	~	San Diego sedge	Carex spissa	/	4
0.00	l	37		eucrypta	Eucrypta chrysanthemifolia var. chrysanthemifolia	/	12
0.00	l	38	?	Stachys sp.?
0.00	c	39	?	tarweed?
0.00	r	40		spike bentgrass	Agrostis exarata	/	1
0.00	r	41		red willow	Salix laevigata	/	13
0.00	r	42		*rabbits-foot grass	Polypogon monspeliensis	/	8
0.00	r	43	?	upright Polygonum sp.?
0.01				Cross small drainage
0.01	l	44		mule fat	Baccharis salicifolia	/	24
				Guide incomplete after this point. Just the plants noted during a botany class hike are listed.
	r	45		Parry's phacelia	Phacelia parryi	/	4
		46		*California burclover	Medicago polymorpha	/	25
				Jct. loop trail; go left. You'll return to this junction after completing the loop trail.
		47		blue dicks	Dichelostemma capitatum ssp. capitatum	/	21
		48		purple owl's clover	Castilleja exserta ssp. exserta	/	5
		49		dwarf lupine	Lupinus bicolor	/	14
		50		splendid mariposa lily	Calochortus splendens	/	9
		51		chia	Salvia columbariae	/	13
	l	52		three spot	Osmadenia tenella	/	3
		53		twining snapdragon	Antirrhinum kelloggii	/	3
		54		threadstem	Pterostegia drymarioides	/	11
		55		southern suncup	Camissonia bistorta	/	6
		56		*crown daisy	Chrysanthemum coronarium	/	4
		57		purple clarkia	Clarkia purpurea ssp. quadrivulnera	/	8
		58		California buckwheat	Eriogonum fasciculatum var. foliolosum	/	32
		59		chaparral yucca	Yucca whipplei	/	11
		60		common pussypaws	Calyptridium monandrum	/	6
		61	~	fringed spineflower	Chorizanthe fimbriata	/	1
		62		wild canterbury bells	Phacelia minor	/	10
		63		Parish's purple nightshade	Solanum parishii	/	6
		64		stinging lupine	Lupinus hirsutissimus	/	8
		65		everlasting nest-straw	Stylocline gnaphaloides	/	4
		66		chamise	Adenostoma fasciculatum	/	22
		67		California four o'clock	Mirabilis californica	/	9
		68		wild-cucumber	Marah macrocarpus var. macrocarpus	/	27
		69		bristly bird's beak	Cordylanthus rigidus ssp. setigerus	/	16
	r	70		Coulter's snapdragon	Antirrhinum coulterianum	/	1
		71		silver puffs	Uropappus lindleyi	/	9
	l	72	ssp	showy penstemon	Penstemon spectabilis var. spectabilis	/	6
		73	sp	peppergrass	Lepidium sp.	/
		74		popcorn flower	Cryptantha intermedia	/	10
		75		golden yarrow	Eriophyllum confertiflorum var. confertiflorum	/	26
		76		white sage	Salvia apiana	/	24
		77		angel's gilia	Gilia angelensis	/	4
		78		California mustard	Guillenia lasiophylla	/	3
	l	79		wide-throated yellow monkeyflower	Mimulus brevipes	/	3
		80		leafy daisy	Erigeron foliosus var. foliosus	/	21
		81	ssp	rough-seeded blue toad-flax	Linaria canadensis var. texana	/	4
	r	82	ssp	Ramona lilac	Ceanothus tomentosus var. olivaceus	/	2
		83		miner's lettuce	Claytonia perfoliata ssp. perfoliata	/	7
		84		San Diego pea	Lathyrus vestitus var. alefeldii	/	10
		85		San Diego morning-glory	Calystegia macrostegia ssp. tenuifolia	/	15
		86		south coast morning-glory	Calystegia macrostegia ssp. intermedia	/	9
				Somewhere around here, cross drainage.
		87		caterpillar phacelia	Phacelia cicutaria var. hispida	/	7
		88		small-flowered melica	Melica imperfecta	/	24
		89		common bedstraw	Galium aparine	/	17
		90	ssp	purple snapdragon	Antirrhinum nuttallianum ssp. nuttallianum	/	4
		91		*scarlet pimpernel	Anagallis arvensis	/	13
	l	92		sacred datura	Datura wrightii	/	11
		93	~	*white goosefoot	Chenopodium album	/	11
		94		small-flowered nightshade	Solanum americanum	/	2
	l	95		fiesta flower	Pholistoma auritum var. auritum	/	9
		96		cotton-batting plant	Gnaphalium stramineum	/	4
	l	97		fire poppy	Papaver californicum	/	1
		98		canyon clarkia	Clarkia epilobioides	/	3
		99		acourtia	Acourtia microcephala	/	10
	r	100	~	tomcat clover	Trifolium willdenovii	/	5
		101		Engelmann oak	Quercus engelmannii	/	17
		102	ssp	Menzie's fiddleneck	Amsinckia menziesii	/	2
		103		white everlasting	Gnaphalium canescens ssp. microcephalum	/	24
		104		California filago	Filago californica	/	9
		105		*mouse-ear chickweed	Cerastium glomeratum	/	10
		106		*bristly ox-tongue	Picris echioides	/	5
		107		*soft chess	Bromus hordeaceus	/	20
		108		heartleaf penstemon	Keckiella cordifolia	/	17
	l	109		goldback fern	Pentagramma triangularis ssp. triangularis	/	11
		110		Coulter's lupine	Lupinus sparsiflorus	/	6
				Jct. trail to right; go right on it.
	l	111		giant needlegrass	Achnatherum coronatum	/	15
		112		bird's-foot fern	Pellaea mucronata var. mucronata	/	15
		113		foothill needlegrass	Nassella lepida	/	11
	l	114		woolly-fruited lomatium	Lomatium dasycarpum ssp. dasycarpum	/	3
		115		California plantain	Plantago erecta	/	8
	r	116		ground pink	Linanthus dianthiflorus	/	5
		117		small-seeded spurge	Chamaesyce polycarpa	/	6
		118		annual sunflower	Helianthus annuus	/	7
				Trail reaches river bank and turns right.
		119	sp		Phalaris sp.	/
	r	120		*milk thistle	Silybum marianum	/	8
	r	121		*black locust	Robinia pseudoacacia	/	6
	r	122		pink sand verbena	Abronia umbellata ssp. umbellata	/	2
				End guide at junction of loop trail with trail leading back to the trailhead.

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Plants of Southern California: Trail Guides

Copyright © 2003 by Tom Chester.
Permission is freely granted to reproduce any or all of this page as long as credit is given to me at this source:
http://tchester.org/fb/plants/guides/smr_north.html
Comments and feedback: Tom Chester
Updated 8 May 2003.