Plant Guide to San Elijo Lagoon Trails From Rios Ave. Entrance, Solana Beach

Plant Guide to San Elijo Lagoon Trails From Rios Ave. Entrance, Solana Beach

This is a working list, about which we make no guarantees at all until we 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 our database that contain each taxon on this trail. We had 52 trails in our 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 23 20%
2 9 8%
3 5 4%
4 4 3%
5 3 3%
6 5 4%
7 8 7%
8 6 5%
9 6 5%
10 5 4%
11 1 1%
12 3 3%
13 2 2%
14 5 4%
15 4 3%
16 0 0%
17 2 2%
18 2 2%
19 2 2%
20 0 0%
21 3 3%
22 2 2%
23 0 0%
24 2 2%
25 4 3%
26 3 3%
27 3 3%
28 2 2%
29 0 0%
30 1 1%
Total Taxa 115 100%

We found 8 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"

The Plant Guide

Mile s # id? Common Name Latin Name #here #all
Begin guide at north end of Rios Avenue, turn right along path into Lagoon. The initial part of this path was a severely disturbed area which had been taken over by arundo, castor bean, and other invasive plants. Those plants were removed in ?? which should help allow native plants to gradually reclaim this area.
1 r *crown daisy Chrysanthemum coronarium / 3
2 *Oriental mustard Sisymbrium orientale / 7
3 *purple wild radish Raphanus sativus / 6
4 *cheeseweed Malva parviflora / 9
5 *foxtail barley Hordeum murinum ssp. leporinum / 15
6 r *nasturtium Tropaeolum majus / 4
7 l red willow Salix laevigata / 11
8 r ~ western choke-cherry Prunus virginiana var. demissa / 3
9 *ripgut brome Bromus diandrus / 25
10 *rescue grass Bromus catharticus / 1
11 ? curly dock?
12 r *castor bean Ricinus communis / 10
13 r *sow thistle Sonchus oleraceus / 18
14 r sp cat-tail Typha sp. /
15 arroyo willow Salix lasiolepis / 21
16 r Fremont cottonwood Populus fremontii ssp. fremontii / 8
End severely disturbed area.
Sign: "3 Lemonade berry".
17 r lemonade berry Rhus integrifolia / 9
18 r *poison hemlock Conium maculatum / 4
19 r *campground shrub Myoporum laetum / 1
20 r giant wild rye Leymus condensatus / 19
21 r ~ horseweed Conyza canadensis / 15
22 r fiesta flower Pholistoma auritum var. auritum / 7
23 r common bedstraw Galium aparine / 15
24 wild-cucumber Marah macrocarpus var. macrocarpus / 24
25 r western stinging nettle Hesperocnide tenella / 1
26 r small-flowered melica Melica imperfecta / 22
27 r San Diego fiesta flower Pholistoma racemosum / 3
28 common fiddleneck Amsinckia menziesii var. intermedia / 6
29 l *golden wattle Acacia longifolia / 2
Sign: "4 California buckwheat, Eriogonum fasciculatum"
30 California buckwheat Eriogonum fasciculatum var. foliolosum / 30
31 sp miner's lettuce Claytonia perfoliata ssp. perfoliata / 6
32 r fragrant everlasting Gnaphalium canescens ssp. beneolens / 1
33 r sp *rattail fescue Vulpia myuros / 5
34 r California polypody Polypodium californicum / 8
35 California bee plant Scrophularia californica ssp. floribunda / 6
36 sacred datura Datura wrightii / 10
37 r San Diego sagewort Artemisia palmeri / 2
38 r California sagebrush Artemisia californica / 27
39 r ~ virgin's bower Clematis pauciflora / 6
Sign: "7 Laurel sumac"
40 laurel sumac Malosma laurina / 21
41 r wild tarragon Artemisia dracunculus / 14
42 r ~ California pellitory Parietaria hespera var. californica / 2
Sign: "8 San Diego Sagewort"(?) at an Artemisia californica
43 coyote bush Baccharis pilularis / 17
44 *smooth cat's ear Hypochaeris glabra / 14
45 toyon Heteromeles arbutifolia / 28
46 r cream cups Platystemon californicus / 1
47 r canyon clarkia Clarkia epilobioides / 2
48 r *scarlet pimpernel Anagallis arvensis / 10
r Liverworts
49 r redberry Rhamnus crocea / 8
50 r collar lupine Lupinus truncatus / 12
51 r eucrypta Eucrypta chrysanthemifolia var. chrysanthemifolia / 9
r (bladderpod, Isomeris arborea)
r (sea dahlia, Coreopsis maritima)
52 *tocalote Centaurea melitensis / 26
53 black sage Salvia mellifera / 25
54 l deerweed Lotus scoparius var. scoparius / 15
Jct. Trail on left; keep going straight.
55 ~ California dodder Cuscuta californica var. californica / 9
56 ~ *shortpod mustard Hirschfeldia incana / 28
57 coastal goldenbush Isocoma menziesii var. vernonioides / 13
58 bush monkeyflower Mimulus aurantiacus / 25
59 foothill needlegrass Nassella lepida / 10
60 California everlasting Gnaphalium californicum / 18
61 *red brome Bromus madritensis ssp. rubens / 26
62 r Pacific sanicle Sanicula crassicaulis / 7
63 California encelia Encelia californica / 10
64 r ? Cryptantha sp. /
65 l coast prickly-pear Opuntia littoralis / 7
66 narrowleaf bedstraw Galium angustifolium ssp. angustifolium / 26
67 *soft chess Bromus hordeaceus / 17
68 l ~ lavender woolly-star Eriastrum filifolium / 1
69 r ~ rattlesnake weed Daucus pusillus / 7
70 r ~ *narrowleaf filago Filago gallica / 21
71 r California-aster Lessingia filaginifolia var. filaginifolia / 27
l Somewhere around here there is a sign: "Galium aparine" at the location of a Galium angustifolium!
72 ? Stephanomeria sp.? /
73 l common phacelia Phacelia distans / 5
74 r Chinese houses Collinsia heterophylla / 8
75 r ~ southern suncup Camissonia bistorta / 5
76 r California poppy Eschscholzia californica / 14
77 long-stemmed buckwheat Eriogonum elongatum var. elongatum / 12
78 r *windmill pink Silene gallica / 14
79 r sea dahlia Coreopsis maritima / 1
80 r ~ purple snapdragon Antirrhinum nuttallianum ssp. nuttallianum / 2
81 golden yarrow Eriophyllum confertiflorum var. confertiflorum / 24
82 l *crystalline ice plant Mesembryanthemum crystallinum / 2
83 r white fiesta flower Pholistoma membranaceum / 2
84 blue elderberry Sambucus mexicana / 25
85 bicolored everlasting Gnaphalium bicolor / 14
86 threadstem Pterostegia drymarioides / 9
87 sp *common cudweed Gnaphalium luteo-album / 3
88 r sp cotton-batting plant Gnaphalium stramineum / 2
89 *redstem filaree Erodium cicutarium / 27
90 l ~ *dwarf nettle Urtica urens / 1
91 ~ *common chickweed Stellaria media / 13
92 r *Crete weed Hedypnois cretica / 7
r Sign closing trail on right: "Area beyond this sign closed"; continue straight ahead.
93 r *hedge mustard Sisymbrium officinale / 8
Guide interrupted here; it resumes on the lagoon trail at a point directly north of this location, heading west, back to car.
94 r *sickle grass Parapholis incurva / 1
95 r saltgrass Distichlis spicata / 8
96 r Parish's pickleweed Salicornia subterminalis / 1
97 r pickleweed Salicornia virginica / 1
98 r alkali weed Cressa truxillensis / 1
99 r *Italian rye-grass Lolium multiflorum / 4
100 r alkali heath Frankenia salina / 1
101 r marsh jaumea Jaumea carnosa / 2
102 r *California burclover Medicago polymorpha / 22
103 r western ragweed Ambrosia psilostachya / 19
104 *sourclover Melilotus indica / 7
105 r ssp saltmarsh dodder Cuscuta salina / 1
106 l *asparagus Asparagus officinalis ssp. officinalis / 1
107 r *brass-buttons Cotula coronopifolia / 3
108 r spiny rush Juncus acutus ssp. leopoldii / 1
109 r *rabbits-foot grass Polypogon monspeliensis / 7
110 r ~ California tule Scirpus californicus / 1
111 r ? unk annual Atriplex triangularis? /
112 l ~ slender tarweed Hemizonia fasciculata / 9
113 r *New Zealand spinach Tetragonia tetragonioides / 1
114 r ~ *four-leaf polycarp Polycarpon tetraphyllum / 4
Sign: "Opuntia littoralis"
115 l sp Opuntia sp. with 1-4 spines /
116 l ? unk grass Ehrharta calycina? /
Jct. with original trail; turn right and return to car.
Selected plants along trail to west of Rios Avenue.
117 l ? prostrate myoporum? Myoporum parvifolium? /
118 r big saltbush Atriplex lentiformis ssp. breweri / 1
Take path to right into Lagoon.
119 r dwarf lupine Lupinus bicolor / 12
120 r shoregrass Monanthochloe littoralis / 1
121 r *slender-leaved ice plant Mesembryanthemum nodiflorum / 1
122 l ~ slender pickleweed Salicornia europaea 1
123 r *broad-leaved pepper-grass Lepidium latifolium / 1
End trail; return to car.

Comments On Specific Species

Number of Trails Containing A Taxon	Number Of Taxa On This Trail	% of Taxa On This Trail
1	23	20%
2	9	8%
3	5	4%
4	4	3%
5	3	3%
6	5	4%
7	8	7%
8	6	5%
9	6	5%
10	5	4%
11	1	1%
12	3	3%
13	2	2%
14	5	4%
15	4	3%
16	0	0%
17	2	2%
18	2	2%
19	2	2%
20	0	0%
21	3	3%
22	2	2%
23	0	0%
24	2	2%
25	4	3%
26	3	3%
27	3	3%
28	2	2%
29	0	0%
30	1	1%
Total Taxa	115	100%

s	#	id?	Common Name	Latin Name	#here	#all
			Begin guide at north end of Rios Avenue, turn right along path into Lagoon. The initial part of this path was a severely disturbed area which had been taken over by arundo, castor bean, and other invasive plants. Those plants were removed in ?? which should help allow native plants to gradually reclaim this area.
1	r		*crown daisy	Chrysanthemum coronarium	/	3
2			*Oriental mustard	Sisymbrium orientale	/	7
3			*purple wild radish	Raphanus sativus	/	6
4			*cheeseweed	Malva parviflora	/	9
5			*foxtail barley	Hordeum murinum ssp. leporinum	/	15
6	r		*nasturtium	Tropaeolum majus	/	4
7	l		red willow	Salix laevigata	/	11
8	r	~	western choke-cherry	Prunus virginiana var. demissa	/	3
9			*ripgut brome	Bromus diandrus	/	25
10			*rescue grass	Bromus catharticus	/	1
11		?	curly dock?
12	r		*castor bean	Ricinus communis	/	10
13	r		*sow thistle	Sonchus oleraceus	/	18
14	r	sp	cat-tail	Typha sp.	/
15			arroyo willow	Salix lasiolepis	/	21
16	r		Fremont cottonwood	Populus fremontii ssp. fremontii	/	8
			End severely disturbed area.
			Sign: "3 Lemonade berry".
17	r		lemonade berry	Rhus integrifolia	/	9
18	r		*poison hemlock	Conium maculatum	/	4
19	r		*campground shrub	Myoporum laetum	/	1
20	r		giant wild rye	Leymus condensatus	/	19
21	r	~	horseweed	Conyza canadensis	/	15
22	r		fiesta flower	Pholistoma auritum var. auritum	/	7
23	r		common bedstraw	Galium aparine	/	15
24			wild-cucumber	Marah macrocarpus var. macrocarpus	/	24
25	r		western stinging nettle	Hesperocnide tenella	/	1
26	r		small-flowered melica	Melica imperfecta	/	22
27	r		San Diego fiesta flower	Pholistoma racemosum	/	3
28			common fiddleneck	Amsinckia menziesii var. intermedia	/	6
29	l		*golden wattle	Acacia longifolia	/	2
			Sign: "4 California buckwheat, Eriogonum fasciculatum"
30			California buckwheat	Eriogonum fasciculatum var. foliolosum	/	30
31		sp	miner's lettuce	Claytonia perfoliata ssp. perfoliata	/	6
32	r		fragrant everlasting	Gnaphalium canescens ssp. beneolens	/	1
33	r	sp	*rattail fescue	Vulpia myuros	/	5
34	r		California polypody	Polypodium californicum	/	8
35			California bee plant	Scrophularia californica ssp. floribunda	/	6
36			sacred datura	Datura wrightii	/	10
37	r		San Diego sagewort	Artemisia palmeri	/	2
38	r		California sagebrush	Artemisia californica	/	27
39	r	~	virgin's bower	Clematis pauciflora	/	6
			Sign: "7 Laurel sumac"
40			laurel sumac	Malosma laurina	/	21
41	r		wild tarragon	Artemisia dracunculus	/	14
42	r	~	California pellitory	Parietaria hespera var. californica	/	2
			Sign: "8 San Diego Sagewort"(?) at an Artemisia californica
43			coyote bush	Baccharis pilularis	/	17
44			*smooth cat's ear	Hypochaeris glabra	/	14
45			toyon	Heteromeles arbutifolia	/	28
46	r		cream cups	Platystemon californicus	/	1
47	r		canyon clarkia	Clarkia epilobioides	/	2
48	r		*scarlet pimpernel	Anagallis arvensis	/	10
	r		Liverworts
49	r		redberry	Rhamnus crocea	/	8
50	r		collar lupine	Lupinus truncatus	/	12
51	r		eucrypta	Eucrypta chrysanthemifolia var. chrysanthemifolia	/	9
	r		(bladderpod, Isomeris arborea)
	r		(sea dahlia, Coreopsis maritima)
52			*tocalote	Centaurea melitensis	/	26
53			black sage	Salvia mellifera	/	25
54	l		deerweed	Lotus scoparius var. scoparius	/	15
			Jct. Trail on left; keep going straight.
55		~	California dodder	Cuscuta californica var. californica	/	9
56		~	*shortpod mustard	Hirschfeldia incana	/	28
57			coastal goldenbush	Isocoma menziesii var. vernonioides	/	13
58			bush monkeyflower	Mimulus aurantiacus	/	25
59			foothill needlegrass	Nassella lepida	/	10
60			California everlasting	Gnaphalium californicum	/	18
61			*red brome	Bromus madritensis ssp. rubens	/	26
62	r		Pacific sanicle	Sanicula crassicaulis	/	7
63			California encelia	Encelia californica	/	10
64	r	?		Cryptantha sp.	/
65	l		coast prickly-pear	Opuntia littoralis	/	7
66			narrowleaf bedstraw	Galium angustifolium ssp. angustifolium	/	26
67			*soft chess	Bromus hordeaceus	/	17
68	l	~	lavender woolly-star	Eriastrum filifolium	/	1
69	r	~	rattlesnake weed	Daucus pusillus	/	7
70	r	~	*narrowleaf filago	Filago gallica	/	21
71	r		California-aster	Lessingia filaginifolia var. filaginifolia	/	27
	l		Somewhere around here there is a sign: "Galium aparine" at the location of a Galium angustifolium!
72		?		Stephanomeria sp.?	/
73	l		common phacelia	Phacelia distans	/	5
74	r		Chinese houses	Collinsia heterophylla	/	8
75	r	~	southern suncup	Camissonia bistorta	/	5
76	r		California poppy	Eschscholzia californica	/	14
77			long-stemmed buckwheat	Eriogonum elongatum var. elongatum	/	12
78	r		*windmill pink	Silene gallica	/	14
79	r		sea dahlia	Coreopsis maritima	/	1
80	r	~	purple snapdragon	Antirrhinum nuttallianum ssp. nuttallianum	/	2
81			golden yarrow	Eriophyllum confertiflorum var. confertiflorum	/	24
82	l		*crystalline ice plant	Mesembryanthemum crystallinum	/	2
83	r		white fiesta flower	Pholistoma membranaceum	/	2
84			blue elderberry	Sambucus mexicana	/	25
85			bicolored everlasting	Gnaphalium bicolor	/	14
86			threadstem	Pterostegia drymarioides	/	9
87		sp	*common cudweed	Gnaphalium luteo-album	/	3
88	r	sp	cotton-batting plant	Gnaphalium stramineum	/	2
89			*redstem filaree	Erodium cicutarium	/	27
90	l	~	*dwarf nettle	Urtica urens	/	1
91		~	*common chickweed	Stellaria media	/	13
92	r		*Crete weed	Hedypnois cretica	/	7
	r		Sign closing trail on right: "Area beyond this sign closed"; continue straight ahead.
93	r		*hedge mustard	Sisymbrium officinale	/	8
			Guide interrupted here; it resumes on the lagoon trail at a point directly north of this location, heading west, back to car.
94	r		*sickle grass	Parapholis incurva	/	1
95	r		saltgrass	Distichlis spicata	/	8
96	r		Parish's pickleweed	Salicornia subterminalis	/	1
97	r		pickleweed	Salicornia virginica	/	1
98	r		alkali weed	Cressa truxillensis	/	1
99	r		*Italian rye-grass	Lolium multiflorum	/	4
100	r		alkali heath	Frankenia salina	/	1
101	r		marsh jaumea	Jaumea carnosa	/	2
102	r		*California burclover	Medicago polymorpha	/	22
103	r		western ragweed	Ambrosia psilostachya	/	19
104			*sourclover	Melilotus indica	/	7
105	r	ssp	saltmarsh dodder	Cuscuta salina	/	1
106	l		*asparagus	Asparagus officinalis ssp. officinalis	/	1
107	r		*brass-buttons	Cotula coronopifolia	/	3
108	r		spiny rush	Juncus acutus ssp. leopoldii	/	1
109	r		*rabbits-foot grass	Polypogon monspeliensis	/	7
110	r	~	California tule	Scirpus californicus	/	1
111	r	?	unk annual	Atriplex triangularis?	/
112	l	~	slender tarweed	Hemizonia fasciculata	/	9
113	r		*New Zealand spinach	Tetragonia tetragonioides	/	1
114	r	~	*four-leaf polycarp	Polycarpon tetraphyllum	/	4
			Sign: "Opuntia littoralis"
115	l	sp		Opuntia sp. with 1-4 spines	/
116	l	?	unk grass	Ehrharta calycina?	/
			Jct. with original trail; turn right and return to car.
			Selected plants along trail to west of Rios Avenue.
117	l	?	prostrate myoporum?	Myoporum parvifolium?	/
118	r		big saltbush	Atriplex lentiformis ssp. breweri	/	1
			Take path to right into Lagoon.
119	r		dwarf lupine	Lupinus bicolor	/	12
120	r		shoregrass	Monanthochloe littoralis	/	1
121	r		*slender-leaved ice plant	Mesembryanthemum nodiflorum	/	1
122	l	~	slender pickleweed	Salicornia europaea		1
123	r		*broad-leaved pepper-grass	Lepidium latifolium	/	1
			End trail; return to car.

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Plants of Southern California: Trail Guides

Copyright © 2003 by Tom Chester, Wayne Armstrong and James Dillane.
Permission is freely granted to reproduce any or all of this page as long as credit is given to us at this source:
http://tchester.org/sd/plants/guides/san_elijo/short_loop.html
Comments and feedback: Tom Chester | Wayne Armstrong
Updated 5 December 2003.