Joseph F. Rock Herbarium (Univ. of Hawaiʻi at Mānoa) (HAW)

Founded in 1908, the Joseph F. Rock Herbarium (HAW) serves the official university repository for botanical plant specimens and includes the Lyon Arboretum specimen collection. It is the result of decades of plant exploration by some of the leading researchers in the Pacific basin and collections continue to expand. Today, the herbarium is part of the University Museum Consortium, and comprises approximately 50,000 dried preserved plant specimens.

Mission: The mission of the herbarium is to maintain and expand the collection to make a thorough representation of Hawaiian and Pacific Island flora, with particular emphasis on vascular plants. For more than 100 years, the herbarium has been a focal point for teaching, training, and education on the flora of Hawai'i and the Pacific.

Director: Karolina Heyduk,
Collections Manager: Carrie Tribble,
Collection Type: Preserved Specimens
Management: Live Data managed directly within data portal
Global Unique Identifier: fd4f4797-9adb-4acd-bcd5-1216cccf76d1
Digital Metadata: EML File
Rights Holder: University of Hawaii
Access Rights: not-for-profit use only
Joseph. F. Rock Herbarium
School of Life Sciences
2538 McCarthy Mall
Edmondson rm. 216
Honolulu, HI   96822
United States
808 956-6489
Collection Statistics
  • 28,567 specimen records
  • 5,725 (20%) georeferenced
  • 15,010 (53%) with images (15,267 total images)
  • 29 misc genetic references
  • 12,835 (45%) identified to species
  • 544 families
  • 1,302 genera
  • 2,771 species
  • 2,874 total taxa (including subsp. and var.)
Extra Statistics
Taxon Distribution
Taxon Distribution