PRE 01 December 1982.
Sonora, Mexico
Locality: Suvuk, Pinacate Desert National Park.
Coordinates: 31.7500, -113.5000
(Map it)
Elevation: 120m.
Environment description: Lava-cinder and sand wash, where air temperatures reach 121 F and soil 155 F. Less than 5 inches of rain per year
Comment: The 12/01/1982 date is when it was received at the Rodale Research Center. This quick growing ephemeral (July-October) was found in the same habitat but is less frequent than Amaranthus palmeri.
Collector(s):