tropical horseweed

Erigeron sumatrensis

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

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• rays 0–0.3 mm
• central stem generally exceeding branches
• heads ± short-peduncled in panicle-like clusters
• leaf margin ± fine-strigose
• central part of middle phyllaries generally wider than lighter margin, not red-brown or resin-filled when dry
• disk corolla generally 5-lobed
• scattered mainly near Pacific coast

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Chris’s observations: none

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

Bay Area species: iNaturalist – Calflora