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Key to Eurybia, Eurybia: Key to Eurybia

Asteraceae

Eurybia

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(c) Haase, Erin - CC-BY-NC
1 Basal and lower cauline leaves both distinctly petioled and with a cordate or subcordate blade; [subgenus Eurybia, section Eurybia].
(c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG
(c) Fleming, Gary P.
1 Basal and lower cauline leaves either sessile and clasping or cuneate, or petioled and the blade cuneate to the petiole.
(c) Ward, Scott G
© Scott Ward
  2 Leaves linear, up to about 10 mm wide; leaves strongly basally disposed.
(c) Raskin, Evan M. - CC-BY
  2 Leaves broader, the largest on a plant over 15 mm wide; leaves somewhat basally disposed, the lowermost sometimes withering before flowering.