National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA. http://plants.usda.gov
Reference for:
Cenchrus tribuloides
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:
Cenchrus tribuloides
Source:
Poaceae update
Acquired:
2010-09-01
Notes:
Poaceae update for ITIS, in cooperation with NatureServe, and based on the Catalogue of New World Grasses database and other sources
Reference for:
Cenchrus tribuloides
Source:
Catalogue of New World Grasses (Poaceae) - 2016
Acquired:
2016-05-06
Notes:
Maintained by R. J. Soreng et al., at http://www.tropicos.org/Project/CNWG and formerly at http://mobot.mobot.org/W3T/Search/nwgc.html
Reference for:
Cenchrus tribuloides
Source:
Flora of the Hawaiian Islands, 2016
Acquired:
2016-12-01
Notes:
Wagner, W. L., D. R. Herbst, and D. H. Lorence. 2005-. Flora of the Hawaiian Islands website. http://botany.si.edu/pacificislandbiodiversity/hawaiianflora/index.htm