National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA. http://plants.usda.gov
Reference for:
Asclepias welshii
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:
Asclepias welshii
Source:
Apocynaceae of North America Update
Acquired:
2011-11-30
Notes:
Updated for ITIS by the Flora of North America Expertise Network, in connection with an update for USDA PLANTS (2007-2010)
Reference for:
Asclepias welshii
Publication(s):
Author(s)/Editor(s):
U. S. Fish and Wildlife Service
Publication Date (Listed/Actual):
1987-10-28 / 1987-10-28
Article/Chapter Title:
Endangered and Threatened Wildlife and Plants; Final Rule Determining Asclepias welshii (Welsh's Milkweed) To Be a Threatened Species With Critical Habitat
Journal/Book Name, Vol. No.:
Federal Register, vol. 52, no. 208
Page(s):
41435-41441
Publisher:
Publication Place:
ISBN/ISSN:
/
Notes:
Reference for:
Asclepias welshii
Asclepias welshii: Geographic Information
Geographic Division:
North America
Jurisdiction/Origin:
Continental US / Native
Asclepias welshii: Comments
Comment:
US ESA: Listed Threatened, as published in Federal Register Volume 52, Number 208, Pages 41435 - 41441, October 28, 1987