Associate Professor of Biology, Walsh University, 2020 East Maple Street, North Canton, OH 44720 USA
Հղում համար:
Silphium perplexum
Աղբյուր(ներ):
Աղբյուր:
Asteraceae of North America Update
Ձեռք բերված:
2010-05-13
Նշումներ:
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