Saturday, August 31, 2013

Cirsium discolor

Pasture thistle (Cirsium discolor) at Spinn Prairie, White County.  The yellow flowers in the background are prairie-dock rosinweed (Silphium terebinthinaceum). Picture taken Aug. 21, 2013.

Link to Cirsium discolor:

Link to Cirsium discolor: 

Link to Cirsium discolor:

Link to Silphium terebinthinaceum:

Link to Spinn Prairie:


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