FOC | |
Margin of cultivated fields.
Colonial from deep, underground rhizome; sap milky; involucral bracts green; florets yellow.
David E. Boufford, Kazumi FUJIKAWA, Susan L. Kelley, Richard H. Ree, Bo XU, Da-Cai ZHANG, Jian-Wen ZHANG, Ti-Cao ZHANG, Wei-Dong ZHU | |
38278 | 26 July 2007 |