23 September 2020.
Marshall County, Iowa, United States
Locality: Marietta Sand Prairie State Preserve located approximately 7.5 miles northwest of Marshalltown, T84N R19W NW 1/4 SE 1/4 NW 1/4 SW 1/4 Sec. 11, Marshall County
Coordinates: 42.0988, -93.0362
(Map it)
Elevation: 298m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: Remnant sand prairie.
Number of plants sampled: 150
Associated species: Monarda fistulosa, Verbena stricta, Solidago altissima, Helianthus rigidus, and Aesclepias verticillata
Slope: 0;
Soil Texture: Sand
Comment: The population is mostly localized within a 4.0 acre portion of the prairie (coordinates provided represent a plant in the center of this area), with only a few plants being found in other areas. In total, approximately 200 plants were noted.
Collector(s):