Primary collector
C.J.Rothfels
Other collectors
C.Rushworth, C.P.Rothfels, et al.
Duplicate locations
Unicate, to UTC.
Date collected
Secondary subdivision
Cache County
Specific locality
Porcupine Dam reservoir.
Longitude (DD)
-111.7259883
Habitat
Mostly on Xanthium, which formed a bit of a lawn on the steep now-exposed drawdown margins of the reservoir.
Voucher image
Photos posted on iNaturalist: https://www.inaturalist.org/observations/135571844.