Annuals (biennials, or short-lived perennials), (5–)20–120 cm. Leaf blades oblong to narrowly oblanceolate, 1–3 cm × 2–7 mm, bases clasping, margins entire, ± revolute. Phyllaries lance-linear to linear, 3–5 mm, pilosulous. Ray florets (10–)20–30+; corolla laminae 1.5–2+ mm. Disc florets (9–)40–100+; corollas 2–3 mm. Cypselae 0.8–1 mm, ± hirsutulous; pappi: outer cups 0.1–0.2(–0.4) mm, inner 12–20+ bristles 2–3 mm. 2n = 18 (Spain).
Phenology
jul-aug (summer), sep-oct (fall)
Altitude range
30–600 m;
Distribution
Europe (Portugal).Europe (Spain).USA Calif.
Discussion
Pulicaria paludosa was first recognized as a naturalized weed in southern California in the early 1960s (P. H. Raven 1963b); it had been collected earlier by P. A. Munz (in 1946).
