Marshallia trinervia (Walter) Porter [Asteraceae]: Photo by C. A. Gracie.

• Title

  Marshallia trinervia (Walter) Porter [Asteraceae]: Photo by C. A. Gracie.

• Creator(s)

  C. A. Gracie

• Description

  Flower of Marshallia trinervia (Walter) Porter [Asteraceae] based on unvouchered plants.

• Taxonomy

  Marshallia trinervia (Walter) Porter

• Copyright Statement

  Copyright 2019 Carol Ann Gracie. All rights reserved.

• Image Type

  Field Photograph

• Subject Part

  Flower

• Continent

  North America

• Country

  United States of America