This Orcutt's woody aster Xylorhiza orcuttii was pointed out as having unusually white petals.
I determined using Google Street View that this is the bus terminal in Catamarca
Leaves on the Dyeweed (Emory's indigo) bush Psorothamnus emoryi. The name 'dyeweed' comes from the persistent iodine color that stains your fingers if you damage a leaf.
Dyeweed (Emory's indigo) bush Psorothamnus emoryi
Desert sand verbena Abronia villosa
Close-up of flower on a Dyeweed (Emory's indigo) bush Psorothamnus emoryi
cool birb
wow such a hot bird