Mustard (Brassicaceae) Subfamily 2 -- Genus E to Z

Erysimum

western wallflower (Erysimum asperum) -- in  June -- Beartooth Highway, Gallatin National Forest, MT           yellow & orange    MT-S

western wallflower (Erysimum asperum) -- in April -- Coyote Ridge Natural Area, Fort Collins Natural Area     yellow & orange  CRNA

western wallflower (Erysimum asperum) -- in June -- Pawnee National Grassland, Co    CO-G

sanddune wallflower (Erysimum capitatum) -- in April -- Well Gulch Nature Trail, Lory State Park, CO           yellow & orange        CO-LSP

sanddune wallflower (Erysimum capitatum -- in July -- Lassen Volcanic National Park, CA        yellow & orange    CA-LNP

spreading wallflower (Erysimum repandum) -- in September -- Lincoln National Forest, NM          yellow & orange    NM-S

hesperidanthus

slimleaf plains mustard (Hesperidanthus linearifolia) -- in April -- River Road East, Big Bend National Park, Texas  red and pink  

hesperis

dame's rocket (Hesperis matronalis) -- in May -- Bellvue, CO           red & pink         CO-F

dame's rocket (Hesperis matronalis) -- in June -- Wray, Yuma County, CO

lepidium

field pepperweed (Lepidium campestre) -- in May -- Bellvue, CO             white & cream        CO-F

​field pepperweed (Lepidium campestre) -- in April -- Homestead Trail, South Mesa Trailhead, Boulder County, CO   

field pepperweed (Lepidium campestre) -- in June -- Viewpoint Trail, Pineridge, Fort Collins Natural Area, CO

​field pepperweed (Lepidium campestre) -- in July -- Shoshone National Forest, Fremont County, WY

lenspod whitetop (Lepidium chalepense) -- in May -- High Line Canal, Aurora, CO     white and cream 

​whitetop (Lepidium draba) -- in May -- CSU Environmental Learning Center, Fort Collins, CO

​whitetop (Lepidium draba) -- in April -- Horsetooth Mountain Open Space, Larimer County, CO     

desert pepperweed (Lepidium fremontii) -- in March -- US 95 in southern Nevada        white and cream  NV-S

broadleaved pepperweed (Lepidium latifolium) -- in June -- Saint Vrain State Park, CO     white and cream    CO-F

broadleaved pepperweed (Lepidium latifolium) -- in August -- St. Vrain State Park, CO   

mountain pepperweed (Lepidium montanum) -- in September -- Lincoln National Forest, NM       white and cream   NM-S

mountain pepperweed (Lepidium montanum) -- in April  -- Route 54, near Carrizozo, NM    white and cream   NM-S

mountain pepperweed (Lepidium montanum) -- in May -- Yampa Bench Road, Dinosaur National Monument, CO

​clasping pepperweed (Lepidium perfoliatum) -- in May -- Prospect Ponds, Fort Collins Natural Area, CO      ​ yellow & orange

Virginia pepperweed (Lepidium virginicum) -- in April -- Horsetooth Mountain Open Space, Larimer County, CO     ​white and cream

Virginia pepperweed (Lepidium virginicum) -- in June -- Viewpoint Trail, Pineridge, Fort Collins Natural Area, CO     ​white and cream

nasturtium

watercress (Nasturtium officinale) -- in May  -- Pineridge, Fort Collins Natural Area, CO    white and cream     CO-F

nerisyrenia

bicolor fanmustard (Nerisyrenia camporum) -- in April -- Big Bend National Park, Texas      white & cream    

bicolor fanmustard (Nerisyrenia camporum) -- in April -- Route 54, near Carrizozo, NM      white & cream      NM-S

White Sands fanmustard (Nerisyrenia linearifolia) -- in September -- White Sands National Monument, NM   white & cream  NM-S

Noccaea

wild candytuft (Noccaea fendleri ssp. glauca) -- in April -- Well Gulch Nature Trail, Lory State Park, CO           white & cream          CO-LSP

wild candytuft (Noccaea fendleri) -- in May -- Sand Creek National Landmark    WY-SC              ​   white & cream  

wild candytuft (Noccaea fendleri) -- in July -- Rollins Pass Road, Gilpin County, CO              ​   white & cream  

​alpine pennycress (Noccaea fendleri ssp. glauca) -- in July -- Old Fall River Road, RMNP    

Physaria

sharpleaf twinpod (Physaria acutifolia) -- in April -- Unaweep Canyon, Mesa County, CO       yellow & orange

sharpleaf twinpod (Physaria acutifolia) -- in April -- Arches National Park, UT    yellow & orange

​alpine bladderpod (Physaria alpina) -- in June -- Beartooth Highway, Gallatin National Forest, MT       yellow & orange    ​ MT-S

Great Plains bladderpod (Physaria arenosa) -- in May -- Pawnee National Grassland, CO     yellow & orange

Front Range twinpod (Physaria bellii) -- in May -- Pineridge Natural Area, Fort Collins, CO     yellow & orange     CO-F

Front Range twinpod (Physaria bellii) -- in April -- Coyote Ridge Natural Area, Fort Collins Natural Area     CRNA

Front Range twinpod (Physaria bellii) -- in June -- Sand Creek, WY         ​  yellow & orange  

Fendler's bladderpod (Physaria fendleri) -- in April -- Guadalupe Mountains National Park, TX    yellow & orange   TX-W

​Fendler's bladderpod (Physaria fendleri) -- in May -- Picketwire Canyon, Comanche National Grassland, CO    ​ yellow & orange

Fendler's bladderpod (Physaria fendleri) -- in April -- Dripping Springs Natural Area, NM        ​ yellow & orange

spreading bladderpod (Physaria gracilis) -- in April -- Alabaster Caverns State Park, OK      yellow & orange      OK-N

foothill bladderpod (Physaria ludoviciana) -- in June -- Soapstone Prairie Natural Area, Fort Collins, CO   yellow & orange 

foothill bladerpod (Physaria ludoviciana) -- in May -- Pawnee Buttes, Pawnee National Grassland, CO    yellow & orange  CO-G

mountain bladderpod (Physaria montana) -- in April -- Lory State Park, CO       yellow & orange      CO-LSP

mountain bladderpod (Physaria montana) -- in April -- Kimmons Trail, Lory State Park, CO     LSP-KI         ​  yellow & orange  

​mountain bladderpod (Physaria montana) -- in May -- Mesa Trail, South Mesa Trailhead, Boulder County, CO        ​  yellow & orange  

Newberry's twinpod (Physaria newberryi) -- in April -- Cibola National Forest near Corona, NM    yellow & orange  ​    NM-S

roundleaf bladderpod (Physaria ovalifolia ssp. ovalifolia) -- in April -- Comanche National Grassland, CO     yellow & orange

rose bladderpod (Physaria purpurea) -- in March -- Salt River Canyon, Tonto National Forest, AZ   white & cream    AZ-S

rose bladderpod (Physaria purpurea) -- in April -- Dripping Springs Natural Area, NM     ​ white & cream 

​roundtip twinpod (Physaria vitulifera) -- in March -- South Valley Park, Jefferson County Open Space, CO   yellow & orange    CO-F  

roundtip twinpod (Physaria vitulifera) -- in March -- Eldorado Canyon State Park, CO         CO-ECSP

rorippa

spreading yellowcress (Rorippa sinuata) -- in May -- Pawnee National Grassland, CO       yellow & orange      CO-G

schoenocrambe

slimleaf plains mustard (Schoenocrambe linearifolia) -- in April -- River Road East, Big Bend National Park, Texas  red and pink  

selenia

Texas selenia (Selenia dissecta) -- in April -- Big Bend National Park, Texas    yellow & orange   TX-BB

sinapis

wild mustard (Sinapis arvensis) -- in May -- North Shields Ponds, Fort Collins Natural Area     yellow & orange 

sisymbrium

Jim Hill mustard (Sisymbrium altissimum) -- in May -- Timber Trail, Lory State Park, CO     yellow & orange   ​     TT-LSP

​​Jim Hill mustard (Sisymbrium altissimum) -- in May -- Prospect Ponds, Fort Collins Natural Area, CO

​Jim Hill mustard (Sisymbrium altissimum) -- in May -- Mesa Trail, South Mesa Trailhead, Boulder County, CO

London rocket (Sisymbrium irio) -- in April -- Villanueva State Park, NM    yellow & orange ​   NM-N

flaxleaf plainsmustard (Sisymbrium linifolium) -- Dinosaur National Monument, CO      yellow & orange  ​

small tumbleweed mustard (Sisymbrium loeselii) -- in June -- Cherokee Park State Wildlife Area, CO   yellow & orange ​   CHER

smelowskia

American false candytuft (Smelowskia americana) -- in July -- Old Fall River Road, Rocky Mountain NP, CO  white & cream  CO-RMNP

stanleya

prince's plume (Stanleya pinnata) -- in June -- Coyote Ridge Natural Area, Fort Collins, CO              yellow & orange        CO-F

prince's plume (Stanleya pinnata) -- in July -- Modoc National Forest, CA       OR-S

streptanthus

Arizona jewelflower (Streptanthus arizonicus) -- in March -- Salt River Canyon, Tonto National Forest, AZ      white & cream       AZ-S

heartleaf twistflower (Streptanthus cordatus var. cordatus) -- in June -- Steens Mountain Wilderness Area, OR    green & brown

strigosella

​African mustard (Strigosella africana) -- in May -- Yampa Bench Road, Dinosaur National Monument, CO   red & pink 

Thlaspi

field pennycress (Thlaspi arvense)-- in June -- Eagle's Nest Open Space, Larimer County, CO   white & cream  ENOS

​field pennycress (Thlaspi arvense) -- in May -- CSU Environmental Learning Center, Fort Collins, CO

field pennycress  (Thlaspi arvense) -- in May -- Mesa Trail, South Mesa Trailhead, Boulder County, CO

Turritis

tower rockcress (Turritis glabra) -- in June -- Well Gulch Nature Trail, Lory State Park, CO     white & cream