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Up-to-date information about California vascular plants is available from the Jepson eFlora.
Names are linked to treatments from the Manual
Key to GALINSOGA
N.B.: couplets are linked, e.g., 1. is linked to 1'.
1. Phyllaries and chaff persistent after fruits fall; outer phyllaries 2–4, margins scarious; inner chaff scales deeply 3-lobed; ligules generally < or = 1.5 mm; pappus scales of disk achenes 15–20, obtuse to acute
1' Phyllaries and chaff deciduous with fruit; outer phyllaries 1–2, margins herbaceous; inner chaff scales entire or shallowly 2–3-lobed; ligules < or = 2.5 mm; pappus scales of disk achenes 0–20, acute to bristle-tipped