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Audio Tours of Mount Diablo
Experience an Audio Tour Here
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The tours feature lively interviews and music with the rush of wind and the chirps, howls, and growls of wildlife, all downloadable to an audio video media player.
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Wildflower Guide - yellow/orange & green

 
acmispon wrangelianus khCalf Lotus, California Lotus
Acmispon wrangelianus
 
Family:
 
Fabaceae
Blooms:
 
March - May
 
Photo: Kevin Hintsa

california barberry flower mjw dscn3684bscalifornia barberry mjw dscn3676bsCalifornia Barberry
Berberis pinnata
 
Family:
 
Berberidaceae 
Blooms:
 
March 
yellow umbellularia californica khCalifornia Bay, California Bay Laurel
Umbellularia californica

Family: 
Lauraceae
Blooms: January - March


Photo: 
Kevin Hintsa


acmispon glaber deer weed mw p6144685scCalifornia Broom, Deer Weed
Acmispon glaber var. glaber
 
Family:
 
Fabaceae
Blooms:
 
March - July
medicago polymorpha bur clover mw dscn3781scCalifornia Bur Clover
Medicago polymorpha

Family:
 
Fabaceae
Blooms:
 
March - June
california buttercup mjw dsc05732California Buttercup
Ranunculus californicus var. californicus
 
Family: Ranunculaceae
Blooms: February - March
 

eschscholzia californica khCalifornia Poppy
Eschscholzia californica
 
Family: Papaveraceae
Blooms: March - June
 

Photo: Kevin Hintsa
checker lily mjw dsc06325checker lily flower mjw dsc06323Checker Lily,
Mission Bells

Fritillaria affinis
 
Family: Liliaceae
Blooms: March - May
 
phloxleaf bedstraw galium andrewsii mw dscn3795scClimbing Bedstraw
Galium porrigen
 
Family: Rubiaceae
Blooms:
 March - May

broomrape-yellow mjw dsc04160Clustered Broomrape
Orobanche fasciculata
 
Family: Orobanchaceae
Blooms: March - June
 
acmispon brachycarpus colchita mw dscn0199Colchita
Acmispon brachycarpus
 
Family: Fabaceae
Blooms: April - May
senecio vulgaris1 sbCommon Groundsel
Senecio vulgaris
 
Family: Asteraceae
Blooms: May - June
 
Photo: Steve Beatty
 
yellow seep monkeyflower mjw dscn1418Common Monkeyflower, Seep Monkeyflower
Mimulus guttatus
 
Family: Phrymaceae
Blooms: March - June
 

male baccharis pilularis1 khCoyote Bush - male
Baccharis pilularis ssp. consanguinea
 
Family: 
Asteraceae
Blooms: 
August - November
 
Photo: 
Kevin Hinsta
 
platystemon californicus cream cup mjw dscn2410Cream Cups
Platystemon californicus 
 
Family:
 Papaveraceae
Blooms: March - April

thalictrum fendleri fendlers meadow-rue mw dscn3967scFendler's meadow-rue (female)
Thalictrum fendleri

Family:
 Papaveraceae
Blooms: March - April

amsinckia menziesii var. intermedia khFiddleneck
Amsinckia intermedia
 
Family: Boraginaceae
Blooms: February - June
 

yellow calochortus pulchellus mjw dsc01510Globe Lily, Mount Diablo Fairy Lantern, Mount Diablo Globe Tulip
Calochortus pulchellus
 
Family: Liliaceae
Blooms: April - June
 

lasthenia californica 2 khGoldfields
Lasthenia californica
 
Family: Asteraceae
Blooms: March - April
 
Photos: Kevin Hintsa
yellow grindelia camporum khGreat Valley Gumplant, Gumplant, Gumweed
Grindelia camporum
 
Family: Asteraceae
Blooms: March - October
 
Photo: Kevin Hintsa
viola pedunculata mw dscn3838viola pedunculata mw dscn3841Johnny Jump-Up
Viola pedunculata
 
Family: 
Asteraceae
Blooms: 
March - October

lomatium dasycarpum ssp. dasycarpum mjw dscn3531sclomatium dasycarpum ssp. dasycarpum mjw dscn3532scLace Parsnip, Hog Fennel
Lomatium dasycarpum ssp. dasycarpum
 
Family: Apiaceae
Blooms: February - April
 

green rein orchid mjw dsc01472Michael's Rein Orchid
Piperia michaelii

Family: 
Orchidaceae
Blooms: 
May - June
 
helianthella castanea 2 khMount Diablo Sunflower
Helianthella castanea
 
Family: Asteraceae
Blooms: April - June

 
Photo: Kevin Hintsa

yellow viola pedunculata khMountain Violet
Viola purpurea
 
Family: Violaceae
Blooms: March - May
 
Photo: Kevin Hintsa

yellow mustard kh dscn0179Mustards
Brassica nigra + others
 
Family: Brassicaceae
Blooms: January - June
 
Photo: Kevin Hintsa

yellow ericameria linearifolia khNarrowleaf Bush Sunflower, Interior Goldenbush, Narrow-leaf Goldenbush, Shrubby Yellow Aster
Ericameria linearifolia

Family: Asteraceae
Blooms: March - June

Photo: Kevin Hintsa
wyethia angustifolia 2 khNarrowleaf Mule Ears
Wyethia angustifolia
 
Family: Asteraceae
Blooms: April - June
 
Photo: Kevin Hintsa
 
matricaria discoidea pineapple weed dscn3922Pineapple Weed
Matricaria discoidea

Family: Asteraceae
Blooms: March - April


poison oak toxicodendron diversilobum mjw 20170213 100828Poison Oak
Toxicodendron diversilobum
 
Family: Anacardiaceae
Blooms: 
March - May
 
sanicula bipinnata 2 khPoison Sanicle
Sanicula bipinnata
 
Family: Apiaceae
Blooms: March
 
Photo: Kevin Hintsa

raphanus sativus wild radish mw dscn3674scRadish, Wild Radish
Raphanus sativus
 
Family: Brassicaceae
Blooms: March - June
helenium puberulum mjw dscn1420Rosilla
Helenium puberulum
 
Family: Asteraceae
Blooms: July - November
 

yellow buttercup mjw dsc04238Sacramento Valley Buttercup
Ranunculus canus
 
Family: Ranunculaceae
Blooms: February - April
 

pumpernickle1 mjwScarlet Pimpernel
Lysimachia arvensis
 
Family: Myrsinaceae
Blooms: March - June
 
lomatium macrocarpum khSheep Parsnip
Lomatium macrocarpum
 

Family:
 Apiaceae
Blooms: April
 
uropappus lindleyi dscn3878scuropappus lindleyi dscn3876scSilverpuffs
Uropappus lindleyi
 
Family:
 Asteraceae
Blooms: March - June
 

rhus aromatica skunk bush mw dscn4063scbmSkunk Bush, Skunkbush
Rhus aromatica

Family: Anacardiaceae
Blooms: 
March - April

sanicula crassicaulis snakeroot gamble weed pacific sanicle mw dscn3928Snakeroot, Gamble Weed, Pacific Sanicle
Sanicula crassicaulis

Family: Apiaceae
Blooms: Frequent


yellow oxalis oxalis corniculata mjw dscn3559scSourgrass, Bermuda-buttercup
Oxalis pes-caprae
 
Family: 
Oxalidaceae
Blooms: 
Spring
 
lomatium utriculatum spring gold mjw dscn3742Spring Gold, Parsnip Bladder, Common Lomatium
Lomatium utriculatum
 
Family: Apiaceae
Blooms: February - May
 

mimulus aurantiacus yellow mjwSticky Monkeyflower, Bush Monkeyflower
Mimulus aurantiacus
 
Family: Phrymaceae
Blooms: March - August
 
sanicula tuberosa khTuberous Sanicle, Turkey Pea
Sanicula tuberosa
 
Family: Apiaceae
Blooms: 
March - May
 
Photo: Kevin Hintsa

erysimum capitatum western wallflower jp mt. diablo with ladybugWestern Wallflower
Erysimum capitatum var. capitatum
 
Family: Brassicaceae
Blooms: 
March - May
 
Photo: Jayah Faye Paley

barbarea orthoceras sb img 2690Winter Cress
Barbarea orthoceras


Family: Brassicaceae
Blooms: Feb - May

Photo: Steve Beatty

yellow indian warrior rak dscn1757-sWoolly Paintbrush, Woolly Painted Cup
Castilleja foliolosa var. flava
 
Family: Orobanchaceae
Blooms: March - April

Photo: Ruth Ann Kishi
caulanthus flavescens dlYellow Flowered Jewelflower, Yellow California Mustard, Yellow Mustard
Caulanthus flavescens
 
Family: Brassicaceae
Blooms: March - April