United States of America. Missouri : Saint Louis County, just S of Olive St. Road about 0.25 miles W of Gumbo. Along dirt access road to cultivated fields. Floodplain of Missouri River.
Géolocalisation
38,7 , -90,65
Numéro de récolte
2137
Habitat
Open, sandy loam, somewhat compacted soil along access road.
Notes
Stems erect, ascending; with Polygonum arenastrum.