Lady Bird Johnson Wildflower Center - The University of Texas at Austin

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Pilularia americana

Pilularia americana A. Braun

American Pillwort

Marsileaceae (Water-clover Family)

USDA Symbol: PIAM

Pilularia americana (American pillwort) #43417

Image Information

Photographer: Cressler, Alan
County: Walton
State: GA
Location Notes: Granite outcrop.
Accession date: 2015-03-11
Filename: A_C_IMG2035.JPG
Slide Index: 6903554036_69b100f41f_o.JPG
Restrictions: Unrestricted
Collection: Wildflower Center Digital Library
Original Format: Digital
Orientation: Landscape
Shot: A colony of plants. Photographer's note: "American pillwort is a fern or very closely related, believe it or not. I have looked for this thing in Georgia for the last 30 years. I consider it rare but it may just be easily overlooked. The leaves are very grass like and often grow with grasses or other narrow bladed plants in aquatic or semi-aquatic habitats. In Georgia, they exclusively grow in association with granite or gneiss outcrops. The two round structures seen in this image are immature sporocarps. Spores are produced in these structures."
Date Taken: 2012-04-05
NPIN Image Id: 43417

Image Verification

This image has been verified.
By: Joseph A. Marcus
Date: 2015-03-11

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Additional resources

USDA: Find Pilularia americana images in USDA Plants
Google: Search Google Images for Pilularia americana