Warning The original file has a large number of pixels and when opened at full resolution, may either not load properly or cause your browser to freeze. These problems can be avoided by use of the ZoomViewer. : Open in ZoomViewer. Description: Sidalcea covillei. Date: 29 July 2011, 09:57. Source: Sidalcea covillei Uploaded by Magnus Manske. Author: Dean Wm. Taylor.