National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA. http://plants.usda.gov
Reference for:
Helianthus schweinitzii
Source:
The PLANTS Database
Acquired:
2000-01-21
Notes:
National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA. http://plants.usda.gov
Reference for:
Helianthus schweinitzii
Source:
Asteraceae of North America Update
Acquired:
2010-05-13
Notes:
Update coordinated by the International Compositae Alliance (TICA) (http://www.compositae.org/) through the Smithsonian Institution in collaboration with the USDA National Plant Data Center
Reference for:
Helianthus schweinitzii
Publication(s):
Author(s)/Editor(s):
U. S. Fish and Wildlife Service
Publication Date (Listed/Actual):
1991-05-07 / 1991-05-07
Article/Chapter Title:
Endangered and Threatened Wildlife and Plants; Helianthus schweinitzii (Schweinitz's Sunflower) Determined to be Endangered
Journal/Book Name, Vol. No.:
Federal Register, vol. 56, no. 88
Page(s):
21087-21091
Publisher:
Publication Place:
ISBN/ISSN:
/
Notes:
Reference for:
Helianthus schweinitzii
Helianthus schweinitzii: Geographic Information
Geographic Division:
North America
Jurisdiction/Origin:
Continental US / Native
Helianthus schweinitzii: Comments
Comment:
US ESA: Listed Endangered, as published in Federal Register Volume 56, Number 88, Pages 21087 - 21091, May 07, 1991