Filago arvensis L.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Asteraceae
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Scientific Name
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Description
Species Description - Simple or branching annual 0.3–5 dm; lvs erect, linear or nearly so, to ca 4 cm × 5 mm; heads mostly 3–5 mm high, in a racemiform or paniculiform, leafy-bracteate infl; proper invol very scanty; receptacular bracts woolly, simulating an invol, somewhat concave-clasping, obscurely hyaline-margined and -tipped; receptacle nearly flat; 2n=28. European weed, now well established in nw. U.S. and casually in our range, as in Mich. July, Aug. (Logfia a.)