Plant Guide to Mt. Hillyer Trail

Plant Guide to Mt. Hillyer Trail

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 59 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 16 21%
2 9 12%
3 7 9%
4 10 13%
5 3 4%
6 7 9%
7 4 5%
8 1 1%
9 4 5%
10 2 3%
11 2 3%
12 0 0%
13 1 1%
14 0 0%
15 3 4%
16 0 0%
17 1 1%
18 0 0%
19 0 0%
20 0 0%
21 0 0%
22 2 3%
23 0 0%
24 0 0%
25 0 0%
26 0 0%
27 0 0%
28 2 3%
29 1 1%
Total Taxa 75 100%

We found 12 additional species not in the above table, since they have not been identified yet.
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" Comments

The Plant Guide

Mile S # id? Common Name Latin Name #here #all
0.00 Beginning of trail at Santa Clara Divide Road trailhead. Start plant guide on left side of wide road.
l 1 ? unk baby plant
l 2 squawbush Rhus trilobata / 9
l 3 *ripgut brome Bromus diandrus / 28
l 4 ? collinsia?
l 5 southern miner's lettuce Claytonia perfoliata ssp. mexicana / 9
l 6 birch-leaf mountain-mahogany Cercocarpus betuloides var. betuloides / 13
l 7 California-aster Lessingia filaginifolia var. filaginifolia / 29
c Posts blocking vehicle entrance to road.
l 8 Davidson's phacelia Phacelia davidsonii / 2
l 9 Coulter pine Pinus coulteri / 7
l 10 mountain sagebrush Artemisia tridentata ssp. vaseyana / 7
l 11 leafy daisy Erigeron foliosus var. foliosus / 22
l 12 Modoc gilia Gilia modocensis / 1
l 13 one-sided bluegrass Poa secunda ssp. secunda / 15
l 14 spear-leaved mountain dandelion Agoseris retrorsa / 6
l 15 goosefoot yellow violet Viola purpurea ssp. quercetorum / 1
l 16 sp Orcutt's brome Bromus orcuttianus / 4
l 17 sp prostrate eriogonum
l Dead bush?
l 18 wild tarragon Artemisia dracunculus / 15
l 19 goldenrod Solidago californica / 17
Road narrows - now do plants on both sides.
r 20 flannelbush Fremontodendron californicum ssp. californicum / 6
r 21 ssp smoothleaf yerba santa Eriodictyon trichocalyx / 2
l 22 Jeffrey pine Pinus jeffreyi / 11
r 23 western wallflower Erysimum capitatum ssp. capitatum / 7
l 24 cupped-leaf ceanothus Ceanothus greggii var. perplexans / 6
l 25 chaparral honeysuckle Lonicera interrupta / 3
l 26 Parry manzanita Arctostaphylos parryana / 4
r 27 interior live oak Quercus wislizenii var. frutescens / 5
r 28 ? unk pinnately-lobed leaf (nevin's bird's beak?)
r 29 common pussypaws Calyptridium monandrum / 7
r 30 ? Plagiobothrys sp.?
r 31 pale sun-cup Camissonia pallida ssp. pallida / 4
r 32 Davidson's buckwheat Eriogonum davidsonii / 9
r 33 dwarf madia Madia minima / 1
r 34 rusty-haired popcorn flower Plagiobothrys collinus var. fulvescens / 1
r 35 sp groundsmoke Gayophytum diffusum ssp. parviflorum / 4
l 36 scarlet bugler Penstemon centranthifolius / 4
l 37 ? Achnatherum sp.?
r 38 chickweed oxytheca Oxytheca caryophylloides / 1
r 39 cushion cryptantha Cryptantha circumscissa / 2
r 40 ? bigger Achnatherum sp.?
l 41 sp prickly cryptantha Cryptantha echinella / 3
l 42 ? Vulpia microstachys var pauciflora?
GPS 1
l 43 canyon live oak Quercus chrysolepis / 11
r Jct. road to former Camp Rosanitas.
r Woodrat's nest about 20 feet high in tree.
Leave shaded area.
b 44 chaparral yucca Yucca whipplei ssp. parishii / 10
r 45 oak mistletoe Phoradendron villosum / 2
r 46 deer brush Ceanothus integerrimus / 4
r 47 Fremont's monkeyflower Mimulus fremontii / 1
r 48 common linanthus Linanthus parviflorus / 2
r 49 Pacific fescue Vulpia microstachys var. pauciflora / 2
r 50 purple-root cryptantha Cryptantha micrantha / 3
r (Caulanthus or Streptanthus sp.; baby Hulsea?; Eriogonum saxatile)
GPS 2
b 51 San Bernardino rubber rabbitbrush Chrysothamnus nauseosus ssp. bernardinus / 8
r 52 rock buckwheat Eriogonum saxatile / 4
r 53 sp Davidson's lotus Lotus nevadensis var. davidsonii / 4
b 54 broad-leaved lotus Lotus crassifolius var. crassifolius / 3
r (Allium burlewii and Chaenactis santolinoides)
l 55 bigcone spruce Pseudotsuga macrocarpa / 4
c 56 sp Wright's buckwheat Eriogonum wrightii / 1
GPS 3
l 57 Burlew's onion Allium burlewii / 2
l (narrowleaf goldenbush, Ericameria linearifolia)2
l 58 pine green-gentian Swertia neglecta / 2
l 59 ssp naked-stem bedstraw Galium angustifolium ssp. nudicaule / 1
l 60 santolina pincushion Chaenactis santolinoides / 6
l 61 ? unk 20 seedlings in one spot.
r 62 Parish's lomatium Lomatium nevadense var. parishii / 1
r 63 low everlasting Antennaria dimorpha / 1
l 64 ssp interior bush lupine Lupinus excubitus var. johnstonii / 1
l 65 ? "Eriogonum - yellow/green lvs. Nev.?"
l Field of Burlew's onion, Allium burlewii, just before an old gnarled stump with a rock on it.
Trail becomes steeper uphill and curves left.
GPS 4
r 66 golden yarrow Eriophyllum confertiflorum var. confertiflorum / 28
l 67 ssp sulphur buckwheat Eriogonum umbellatum var. munzii / 4
l 68 sugar pine Pinus lambertiana / 6
l 69 southern mule's ears Wyethia ovata / 3
r 70 Parish's tauschia Tauschia parishii / 3
l ? Some white-lobed Modoc gilia, Gilia modocensis, with more pointy lobes, here in a field of lavender-lobed ones.
b 71 Parish's larkspur Delphinium parishii ssp. parishii / 1
r 72 imbricate phacelia Phacelia imbricata ssp. patula / 6
r 73 blue dicks Dichelostemma capitatum ssp. capitatum / 22
(Jane sample of a grass like Vulpia here)
l Jct. faint path to the knob called Mt. Hillyer on the topo map, about 500 feet to the east (GPS 5)
r (San Gabriel Mtns.Sunflower, Hulsea vestita ssp. gabrielensis, at base of boulders.)
l 74 bajada lupine Lupinus concinnus / 6
r Giant boulder
r 75 ssp mountain California-fuchsia Epilobium canum ssp. latifolium / 5
l Single big boulder.
l 76 San Gabriel Mtns. sunflower Hulsea vestita ssp. gabrielensis / 1
l 77 Bishop's lotus Lotus strigosus / 15
r (scale-bud, Anisocoma acaulis; devil's lettuce, Amsinckia tessellata var. tessellata)1
l 78 scale-bud Anisocoma acaulis / 2
r 79 ? Elymus sp.?
r 80 ? annual, rosetted, like cal aster
r 81 southern mountain woolly-star Eriastrum densifolium ssp. austromontanum / 5
r Jct. blocked-off trail going backward.
High point on trail (unnamed 6200 foot summit; NOT Mt. Hillyer!)
r 82 San Gabriel linanthus Linanthus concinnus / 1
r 83 desert collinsia Collinsia callosa / 1
l Field of San Gabriel linanthus, Linanthus concinnus.
l 84 Grinnell's beardtongue Penstemon grinnellii var. grinnellii / 9
b 85 prickly cryptantha Cryptantha muricata / 10
End guide.

Comments On Specific Species

We thank Michael Charters for his assistance on our field trip of 5/22/03.

Number of Trails Containing A Taxon	Number Of Taxa On This Trail	% of Taxa On This Trail
1	16	21%
2	9	12%
3	7	9%
4	10	13%
5	3	4%
6	7	9%
7	4	5%
8	1	1%
9	4	5%
10	2	3%
11	2	3%
12	0	0%
13	1	1%
14	0	0%
15	3	4%
16	0	0%
17	1	1%
18	0	0%
19	0	0%
20	0	0%
21	0	0%
22	2	3%
23	0	0%
24	0	0%
25	0	0%
26	0	0%
27	0	0%
28	2	3%
29	1	1%
Total Taxa	75	100%

Mile	S	#	id?	Common Name	Latin Name	#here	#all
0.00				Beginning of trail at Santa Clara Divide Road trailhead. Start plant guide on left side of wide road.
	l	1	?	unk baby plant
	l	2		squawbush	Rhus trilobata	/	9
	l	3		*ripgut brome	Bromus diandrus	/	28
	l	4	?	collinsia?
	l	5		southern miner's lettuce	Claytonia perfoliata ssp. mexicana	/	9
	l	6		birch-leaf mountain-mahogany	Cercocarpus betuloides var. betuloides	/	13
	l	7		California-aster	Lessingia filaginifolia var. filaginifolia	/	29
	c			Posts blocking vehicle entrance to road.
	l	8		Davidson's phacelia	Phacelia davidsonii	/	2
	l	9		Coulter pine	Pinus coulteri	/	7
	l	10		mountain sagebrush	Artemisia tridentata ssp. vaseyana	/	7
	l	11		leafy daisy	Erigeron foliosus var. foliosus	/	22
	l	12		Modoc gilia	Gilia modocensis	/	1
	l	13		one-sided bluegrass	Poa secunda ssp. secunda	/	15
	l	14		spear-leaved mountain dandelion	Agoseris retrorsa	/	6
	l	15		goosefoot yellow violet	Viola purpurea ssp. quercetorum	/	1
	l	16	sp	Orcutt's brome	Bromus orcuttianus	/	4
	l	17	sp	prostrate eriogonum
	l			Dead bush?
	l	18		wild tarragon	Artemisia dracunculus	/	15
	l	19		goldenrod	Solidago californica	/	17
				Road narrows - now do plants on both sides.
	r	20		flannelbush	Fremontodendron californicum ssp. californicum	/	6
	r	21	ssp	smoothleaf yerba santa	Eriodictyon trichocalyx	/	2
	l	22		Jeffrey pine	Pinus jeffreyi	/	11
	r	23		western wallflower	Erysimum capitatum ssp. capitatum	/	7
	l	24		cupped-leaf ceanothus	Ceanothus greggii var. perplexans	/	6
	l	25		chaparral honeysuckle	Lonicera interrupta	/	3
	l	26		Parry manzanita	Arctostaphylos parryana	/	4
	r	27		interior live oak	Quercus wislizenii var. frutescens	/	5
	r	28	?	unk pinnately-lobed leaf (nevin's bird's beak?)
	r	29		common pussypaws	Calyptridium monandrum	/	7
	r	30	?	Plagiobothrys sp.?
	r	31		pale sun-cup	Camissonia pallida ssp. pallida	/	4
	r	32		Davidson's buckwheat	Eriogonum davidsonii	/	9
	r	33		dwarf madia	Madia minima	/	1
	r	34		rusty-haired popcorn flower	Plagiobothrys collinus var. fulvescens	/	1
	r	35	sp	groundsmoke	Gayophytum diffusum ssp. parviflorum	/	4
	l	36		scarlet bugler	Penstemon centranthifolius	/	4
	l	37	?	Achnatherum sp.?
	r	38		chickweed oxytheca	Oxytheca caryophylloides	/	1
	r	39		cushion cryptantha	Cryptantha circumscissa	/	2
	r	40	?	bigger Achnatherum sp.?
	l	41	sp	prickly cryptantha	Cryptantha echinella	/	3
	l	42	?	Vulpia microstachys var pauciflora?
				GPS 1
	l	43		canyon live oak	Quercus chrysolepis	/	11
	r			Jct. road to former Camp Rosanitas.
	r			Woodrat's nest about 20 feet high in tree.
				Leave shaded area.
	b	44		chaparral yucca	Yucca whipplei ssp. parishii	/	10
	r	45		oak mistletoe	Phoradendron villosum	/	2
	r	46		deer brush	Ceanothus integerrimus	/	4
	r	47		Fremont's monkeyflower	Mimulus fremontii	/	1
	r	48		common linanthus	Linanthus parviflorus	/	2
	r	49		Pacific fescue	Vulpia microstachys var. pauciflora	/	2
	r	50		purple-root cryptantha	Cryptantha micrantha	/	3
	r			(Caulanthus or Streptanthus sp.; baby Hulsea?; Eriogonum saxatile)
				GPS 2
	b	51		San Bernardino rubber rabbitbrush	Chrysothamnus nauseosus ssp. bernardinus	/	8
	r	52		rock buckwheat	Eriogonum saxatile	/	4
	r	53	sp	Davidson's lotus	Lotus nevadensis var. davidsonii	/	4
	b	54		broad-leaved lotus	Lotus crassifolius var. crassifolius	/	3
	r			(Allium burlewii and Chaenactis santolinoides)
	l	55		bigcone spruce	Pseudotsuga macrocarpa	/	4
	c	56	sp	Wright's buckwheat	Eriogonum wrightii	/	1
				GPS 3
	l	57		Burlew's onion	Allium burlewii	/	2
	l			(narrowleaf goldenbush, Ericameria linearifolia)2
	l	58		pine green-gentian	Swertia neglecta	/	2
	l	59	ssp	naked-stem bedstraw	Galium angustifolium ssp. nudicaule	/	1
	l	60		santolina pincushion	Chaenactis santolinoides	/	6
	l	61	?	unk 20 seedlings in one spot.
	r	62		Parish's lomatium	Lomatium nevadense var. parishii	/	1
	r	63		low everlasting	Antennaria dimorpha	/	1
	l	64	ssp	interior bush lupine	Lupinus excubitus var. johnstonii	/	1
	l	65	?	"Eriogonum - yellow/green lvs. Nev.?"
	l			Field of Burlew's onion, Allium burlewii, just before an old gnarled stump with a rock on it.
				Trail becomes steeper uphill and curves left.
				GPS 4
	r	66		golden yarrow	Eriophyllum confertiflorum var. confertiflorum	/	28
	l	67	ssp	sulphur buckwheat	Eriogonum umbellatum var. munzii	/	4
	l	68		sugar pine	Pinus lambertiana	/	6
	l	69		southern mule's ears	Wyethia ovata	/	3
	r	70		Parish's tauschia	Tauschia parishii	/	3
	l		?	Some white-lobed Modoc gilia, Gilia modocensis, with more pointy lobes, here in a field of lavender-lobed ones.
	b	71		Parish's larkspur	Delphinium parishii ssp. parishii	/	1
	r	72		imbricate phacelia	Phacelia imbricata ssp. patula	/	6
	r	73		blue dicks	Dichelostemma capitatum ssp. capitatum	/	22
				(Jane sample of a grass like Vulpia here)
	l			Jct. faint path to the knob called Mt. Hillyer on the topo map, about 500 feet to the east (GPS 5)
	r			(San Gabriel Mtns.Sunflower, Hulsea vestita ssp. gabrielensis, at base of boulders.)
	l	74		bajada lupine	Lupinus concinnus	/	6
	r			Giant boulder
	r	75	ssp	mountain California-fuchsia	Epilobium canum ssp. latifolium	/	5
	l			Single big boulder.
	l	76		San Gabriel Mtns. sunflower	Hulsea vestita ssp. gabrielensis	/	1
	l	77		Bishop's lotus	Lotus strigosus	/	15
	r			(scale-bud, Anisocoma acaulis; devil's lettuce, Amsinckia tessellata var. tessellata)1
	l	78		scale-bud	Anisocoma acaulis	/	2
	r	79	?	Elymus sp.?
	r	80	?	annual, rosetted, like cal aster
	r	81		southern mountain woolly-star	Eriastrum densifolium ssp. austromontanum	/	5
	r			Jct. blocked-off trail going backward.
				High point on trail (unnamed 6200 foot summit; NOT Mt. Hillyer!)
	r	82		San Gabriel linanthus	Linanthus concinnus	/	1
	r	83		desert collinsia	Collinsia callosa	/	1
	l			Field of San Gabriel linanthus, Linanthus concinnus.
	l	84		Grinnell's beardtongue	Penstemon grinnellii var. grinnellii	/	9
	b	85		prickly cryptantha	Cryptantha muricata	/	10
				End guide.

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Copyright © 2003 by Jane Strong and Tom Chester.
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Updated 24 May 2003.