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Welcome to the Lady Bird Johnson Wildflower Center's collection of 82,856 plant images.

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Silphium radula

Silphium radula Nutt.

Roughstem Rosinweed

Asteraceae (Aster Family)

USDA Symbol: SIRA2



Silphium radula (Roughstem rosinweed) #27683

Image Information

Photographer: Schwartzman, Steven
County: Williamson
State: TX
Location Notes: near Granger Lake
Accession date: 2010-06-23
Filename: SS1_IMG0167.JPG
Slide Index: Silphium simpsonii 1214.tif
Restrictions: Unrestricted
Collection: Wildflower Center Digital Library
Original Format: digital
Orientation: Landscape
Shot: Flower head beginning to open.
Date Taken: 2009-05-17
NPIN Image Id: 27683

Image Verification

This image has been verified.
By: Joseph A. Marcus
Date: 2009-08-25

From the Image Gallery

37 photo(s) available in the gallery

Additional resources

USDA: Find Silphium radula images in USDA Plants
Google: Search Google Images for Silphium radula