A head of flowers of Bidens frondosa. Photo by M. Rothman.

• Title

  A head of flowers of Bidens frondosa. Photo by M. Rothman.

• Creator(s)

  M. Rothman

• Description

  A head of flowers of Bidens frondosa based on Mori & Rothman 27846 from the Westchester Wilderness Walk/Zofnass Family Preserve, Westchester Co., Nerw York. The head is directly subtended by phyllaries that are pressed against the disk flowers and they are in turn subtended by spreading phyllaries.

• Specimens

  Specimen - 02531745, S. A. Mori 27846, Bidens frondosa L., Asteraceae (313.0), Magnoliophyta; North America, United States of America, New York, Westchester Co.

• Taxonomy

  Bidens frondosa L.

• Image Type

  Field photograph

• Continent

  North America

• Country

  United States of America