horseweed

Erigeron canadensis

Member of fleabanes and horseweeds (genus Erigeron)
white daisies
sunflower family (family Asteraceae)
dicots (class Magnoliopsida)
white in flowering plants

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• rays 0.3–1 mm
• central stem generally exceeding distal branches
• heads ± short-peduncled in panicle-like clusters
• leaf ± long-bristly-ciliate
• central colored part of middle phyllaries narrower than light-colored margin, resin-filled, ± red-brown when dry
• disk corolla generally 4-lobed
• common

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Chris’s observations: 5 (2 are research grade)

Locations:

• Bear Creek Redwoods OSP: 2
• DeLaveaga Park, Santa Cruz
• Henry Cowell Redwoods SP - Fall Creek Unit
• San Pedro Valley CP

Months:

• Jul.: 1
• Aug.: 0
• Sep.: 2
• Oct.: 0
• Nov.: 1
• Dec.: 0
• Jan.: 0
• Feb.: 1

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Taxon info: iNaturalist – Calflora – CalPhotos – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora