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Sonoran Desert Asters - Flowers White

Annuals, perennials and shrubs with flowers in heads that may have white disc and/or ray flowers. Some flowering heads may appear yellow due to abundance of pollen. Some species have male and female flowers in separate heads or even on separate plants. Usually insect pollinated and mostly not a source of hay fever.

Blackfoot Daisy

Melampodium leucanthum

Spreading Fleabane

Erigeron divergens

Perennial, mostly herbaceous clumps with a dozen to many dozen white to lavender daisies. Found mostly at upper elevations of the Sonoran Desert in chaparral or desert grassland ecotones. Blooms in mid spring. Detailed Description

Spring annual with abundant reflexed or spreading hairs on foliage. Many 10 cm dia. daisy-heads. 100+ narrow white to purple rays. Washes and roadsides. Detailed Description

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Emory Rock Daisy	Perityle emoryi	Mojave Desert Star	Monoptilon bellioides
This photo is part of the Wikimedia Project. Perennial, mostly herbaceous, with folliage and leaves appearing mostly in spring. Common on rockys slopes and bajadas. Central disc flowers are yellow. Detailed Description		This photo is part of the Wikimedia Project. Ephemeral spring annual growing nearly prostrate. Likely on desert pavement and flats after wet winter/spring weather. Disc flowers are yellow. Detailed Description
Desert Chicory	Rafinesquia neomexicana	White Easterbonnets	Antheropeas lanosum
Spring annual often growing up among woody shrubs and gaining support from them. All florets bear strap-shaped corollas. Leaves lobed or just toothed. Common across the Sonoran Desert in years with good rain. Detailed Description		This photo is part of the Wikimedia Project. Ephemeral spring annual just a few centemeters tall. Leaves and involucre woolly. White rays and yellow disc. Detailed Description

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Sonoran Desert Places