big mountain dandelion

Agoseris grandiflora var. grandiflora

Member of bigflower agoseris (Agoseris grandiflora)
mountain dandelions (genus Agoseris)
yellow dandelion-like flowers
lettuce, chicory, dandelion, and salsify tribe (tribe Cichorieae)
sunflower family (family Asteraceae)
dicots (class Magnoliopsida)
yellow in flowering plants

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Caution: ID unsure

• ligule 3–7 mm, ± equaling involucre
• petiole generally purple
• generally 3–5 pairs of leaf lobes
• very common
• [I assume it’s named for its height, not its flower head]

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

Locations:

• Almaden Quicksilver CP
• Purisima Creek Redwoods OSP

Months:

• May: 1
• Jun.: 1

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

Bay Area species: iNaturalist – Calflora