Erigeron bloomeri is a nice little rayless erigeron found in dry sights in WA, OR, CA, UT, ID, and NV.
http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066563
http://plants.usda.gov/java/profile?symbol=ERBL
http://www.calflora.org/cgi-bin/species_query.cgi?where-taxon=Erigeron+b...
