What's that plant?

Flowers Yellow, Orange, or Brown

Flowers brown	Chocolate lily
Flowers yellow to orange
Plant of open, grassy fields, sometimes abundant
Flowers abundant, covering fields and hills yellow to orange
Flowers orange
Flowers large, showy	California poppy
Flowers small; stems bristly	Fiddle-neck
Flowers yellow
Plants low, flowers daisy-like	Goldfields
Plants tall, up to 6 feet high	Black mustard
Flowers not abundant; rarely covering fields yellow
Flowers showy with 3 petals, occur singly	Yellow mariposa lily
Flowers with 6 petals in fireworks-like clusters	Golden stars
Plant along streams or along trails
Grows along streams
Plant low, flowers bright yellow	Common monkey flower
Plant tall, flowers with orange spots, nodding	Humboldt lily
Grows along trails or on hillsides
Flowers more than 2 inches across	Canyon sunflower
Flowers smaller
Plant with spines beneath the flower	Star thistle
Plants without spines beneath the flower
Leaves in 3's	Yellow sweet clover
Leaves single
Flowers yellow-orange; leaves succulent	Live-forever
Flowers yellow with dark markings	Yellow pansy
Flowers yellow without markings	Wall flower