Sori on the abaxial surface of Thelypteris palustris. Image by S. A. Mori.

• Title

  Sori on the abaxial surface of Thelypteris palustris. Image by S. A. Mori.

• Creator(s)

  S. A. Mori

• Description

  Sori on the abaxial surface of ultimate segments of Thelypteris palustris based on S. A. Mori & C. A. Gracie 28080 from Lake Rippowan, Westchester Co., New York. The ultimate segments are curved downward at the margins and the sori are covered by true indusia.

• Specimens

  Specimen - 02531758, S. A. Mori 28080, Thelypteris palustris (A.Gray) Schott, Thelypteridaceae (3.0), Pteridophyta; North America, United States of America, New York, Westchester Co.

• Taxonomy

  Thelypteris palustris (A.Gray) Schott

• Copyright Statement

  Copyright 2016 Scott A. Mori

• Image Type

  Field photograph

• Continent

  North America

• Country

  United States of America