Utricularia macrorhiza USGS-1

描述：

Description: Utricularia macrorhiza LeConte, originally uploaded to en.wikipedia by w:User:Chris 73 on 1 August 2004. Date: Unknown dateUnknown date. Source: USGS: USGS-authored or produced data and information are in the public domain. Author: USGS. Permission(Reusing this file): PD.