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Key to Pulicaria

Asteraceae

Pulicaria

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1 Leaves often toothed, inflorescence often broadly corymbiform; [waif, s. AL and FL]
1 Leaves toothed or not; inflorescence paniculiform or densely corymbiform; [waifs, ne. US]
  2 Plants perennial with scaly stolons; leaves oblong-lanceolate with auriculate bases, greyish-tomentose abaxially; ligules exceeding involucre by 5 mm or more
  2 Plants annual; leaves lanceolate-elliptical amplexicaulous but not auriculate, not greyish-tomentose abaxially; ligules not exceeding involucre by more than 3 mm