- Wall flower
- Wand chicory
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Wartleaf ceanothus
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Wartystem ceanothus
- Picture 1
- Picture 2
- Picture 3
- Water cress
- Picture 1
- Picture 2
- Picture 3
- Water primrose
- Picture 1
- Picture 2
- Picture 3
- Weed's mariposa lily
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Picture 7
- Western larkspur
- Western peony
- Western ragweed
- Picture 1
- Picture 2
- Western redbud
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6 (fruits)
- Western sword fern
- Western sycamore
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5 (bark)
- Western virgin's bower
- Picture 1
- Picture 2
- Picture 3
- Whisker brush
- Picture 1
- Picture 2
- Picture 3
- Whispering bells
- White alder
- Picture 1
- Picture 2
- White chaenactis
- Picture 1
- Picture 2
- White chicory
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- White clarkia
- White fiesta flower
- White forget-me-not
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- White goosefoot
- White layia
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- White plectritis
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- White sage
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- White snapdragon
- Picture 1
- Picture 2
- White sweet clover
- Picture 1
- Picture 2
- White-flowered nightshade
- Picture 1
- Picture 2
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- Wide-throated monkey flower
- Picture 1
- Picture 2
- Picture 3
- Wild barley
- Wild buckwheat
- Picture 1
- Picture 2
- Wild cucumber
- Picture 1
- Picture 2 (seed pod)
- Picture 3 (seed pod)
- Picture 4
- Wild heliotrope
- Wild honeysuckle
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Wild hyacinth
- Picture 1
- Picture 2
- Picture 3
- Wild morning glory
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Wild oats
- Wild onion
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Wild pea
- Picture 1
- Picture 2
- Wild radish
- Picture 1
- Picture 2 (fruits)
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Wild rhubarb
- Wild snapdragon
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Willow dock
- Willow herb
- Willow lettuce
- Picture 1
- Picture 2
- Wind poppy
- Picture 1
- Picture 2
- Windmill pink
- Picture 1
- Picture 2
- Winter vetch
- Picture 1
- Picture 2
- Wire-grass
- Wishbone bush
- Wood fern
- Picture 1
- Picture 2
- Picture 3
- Woodland star
- Woolly blue curls
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Woolly hedge nettle
- Picture 1
- Picture 2
- Picture 3
- Woolly Indian paintbrush
- Picture 1
- Picture 2
- Woolly yerba santa
- Picture 1
- Picture 2
- Picture 3
- Woolly-fruited lomatium
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Picture 7
- Picture 8
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