Thelesperma megapotamicum
A plant of low-elevation meadows and swales, found throughout most of the western United States.
A pseudanthium near Alamosa Creek, just upstream of Monticello Box, 26 Aug 2006.
Another pseudanthium at Alamosa Creek, 26 Aug 2006.
A fruiting pseudanthium at White Sands, 10/2/04.
Achenes & attached bracts near Alamosa Creek, 26 Aug 2006.
A red pseudanthium on the Croton Spring Trail, Big Bend National Park, 15 Apr 2007.
Plant habit at White Sands, 10/2/04.
A cauline leaf at White Sands, 10/2/04.