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University of Texas Rio Grande Valley (PAUH)

The herbarium of The University of Texas – Rio Grande Valley (UTRGV) is identified as PAUH in the Index Herbariorum and houses specimens from deep South Texas and Northeast Mexico with emphasis on lowland vascular plants that comprise the flora of the Tamaulipan Biotic Province. First established and registered by the plant systematist, Dr. Robert Lonard, the UTRGV plant specimen collections includes mostly flowering plants but also marine macroalgae from the Gulf of Mexico and its vast, hypersaline Laguna Madre of South Padre Island, Texas. The collection presently comprises around 5500 specimens and is curated by the abiding Plant Systematist in the Department of Biology.


  • Professor J. Andrew McDonald, Andrew.mcdonald@utrgv.edu

Collection Statistics

  • 13,132 specimen records
  • 933 (7%) georeferenced
  • 12,679 (97%) with images (12,680 total images)
  • 25 GenBank genetic references
  • 12,454 (95%) identified to species
  • 237 families
  • 1,475 genera
  • 4,692 species
  • 5,331 total taxa (including subsp. and var.)

Extra Statistics

Collection Type: Preserved Specimens
Management: Live Data managed directly within data portal
Last Update: 22 November 2021
Global Unique Identifier: baa5984f-083f-4032-bd13-343a1486fed0
Digital Metadata:EML File