The University of Arizona Herbarium (ARIZ)

With over 400,000 specimens, ARIZ is the world's largest collection of plants from Arizona and Sonora, Mexico.
Contacts: George Ferguson - Collections Manager, herbarium@ag.arizona.edu
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 16 December 2022
Digital Metadata: EML File
Collection Statistics
  • 3,773 specimen records
  • 116 (3%) georeferenced
  • 3,751 (99%) with images (3,793 total images)
  • 3,125 (83%) identified to species
  • 69 families
  • 171 genera
  • 433 species
  • 495 total taxa (including subsp. and var.)
Extra Statistics
Taxon Distribution
Taxon Distribution
  • Aloina (6)
  • Anoectangium (8)
  • Barbula (79)
  • Crossidium (66)
  • Desmatodon (28)
  • Didymodon (103)
  • Eucladium (22)
  • Gymnostomum (13)
  • Husnotiella (50)
  • Hymenostylium (14)
  • Hyophila (9)
  • Leptodontium (2)
  • Merceya (10)
  • Phascum (4)
  • Pleurochaete (8)
  • Pottia (40)
  • Rhexophyllum (1)
  • Syntrichia (3)
  • Timmiella (24)
  • Tortella (3)
  • Tortula (295)
  • Trichostomopsis (10)
  • Weissia (2)