Helianthus argophyllus Torr. & A.Gray

• Region

  North America

• Country

  United States of America

• State/Province

  Texas

• County/Municipio

  Nueces Co.

• Locality

  ± 16 air miles SE of central Corpus Christi, on Mustang Island State Park on Newport Pass road (that goes to shore) off SH 361 (Park rd. 53), about 1 mile N of Park Rd. 22

• Coordinates

  27.6326, -97.1984

• Coordinate Uncertainty (m)

  463

• Georeferencing Method

  Georeferencing Quick Reference Guide (Zermoglio et. Coordinates of corrected center of Newport Pass Rd. were located. Geographic radial was determined as distance from coordinates to end of road. Final uncertainty was found using the MaNIS Georef. Calc.

• Geodetic Datum

  WGS84

• Distribution

  Map all specimens of this taxon

Flora Texana
Helianthus cffiophyllus Torr. & Gray
Nueces Co., Texas. ± 16 air miles SE of central Corpus
Christi, Texas on Mustang Island State Park on Newport Pass
road (that goes to shore) off SH 361 (Park rd. 53), about 1
mile N of Park Rd. 22. In sandy marginal and back dunes.
Dunes with Ipomoea pes-capre, Croton, Indodofera,
Amaranthus, Helianthus, etc.
Plants annual, erect, branched above, to 6 ft tall, lvs. silvery;
rays gold.
Sea Level.
Henrickson 22864 6	15 August 2002
03827389