National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA. http://plants.usda.gov
Reference for:
Rhynchospora knieskernii
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:
Rhynchospora knieskernii
Source:
Cyperaceae of North America Update
Acquired:
2010-10-28
Notes:
Updated for ITIS by the Flora of North America Expertise Network, in connection with an update for USDA PLANTS (2007-2010)
Reference for:
Rhynchospora knieskernii
Publication(s):
Author(s)/Editor(s):
U. S. Fish and Wildlife Service
Publication Date (Listed/Actual):
1991-07-18 / 1991-07-18
Article/Chapter Title:
Endangered and Threatened Wildlife and Plants; Determination of the plant, Rhynchospora knieskernii (Knieskern's beaked-rush), to be a Threatened Species
Journal/Book Name, Vol. No.:
Federal Register, vol. 56, no. 138
Page(s):
32978-32983
Publisher:
Publication Place:
ISBN/ISSN:
/
Notes:
Reference for:
Rhynchospora knieskernii
Rhynchospora knieskernii: Geographic Information
Geographic Division:
North America
Jurisdiction/Origin:
Continental US / Native
Rhynchospora knieskernii: Comments
Comment:
US ESA: Listed Threatened, as published in Federal Register Volume 56, Number 138, Pages 32978 - 32983, July 18, 1991