University of Washington Herbarium (WTU-Bryophytes)

The University of Washington Herbarium (also known as WTU) is an international resource for research into the diversity, distribution and ecology of Pacific Northwest vascular plants, non-vascular plants, fungi, lichen, and algae. With over 600,000 specimens currently in the collections and between 5,000-10,000 specimens added annually, WTU is one of the largest herbaria in the region.
Contacts: David Giblin, Collections Manager, wtu@u.washington.edu
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 1 March 2024
IPT / DwC-A Source:
Digital Metadata: EML File
Collection Statistics
  • 76,669 specimen records
  • 46,942 (61%) georeferenced
  • 25,022 (33%) with images (25,909 total images)
  • 73,318 (96%) identified to species
  • 164 families
  • 557 genera
  • 3,165 species
  • 3,887 total taxa (including subsp. and var.)
Extra Statistics
Taxon Distribution
Taxon Distribution
  • Amblystegiella (49)
  • Amblystegium (2)
  • Breidleria (1)
  • Brotherella (8)
  • Bryosedgwickia (3)
  • Buckiella (15)
  • Callicladium (11)
  • Calliergonella (3)
  • Ctenidium (14)
  • Dolichotheca (2)
  • Ectropothecium (12)
  • Glossadelphus (9)
  • Gollania (2)
  • Herzogiella (31)
  • Heterophyllium (62)
  • Holmgrenia (1)
  • Homomallium (47)
  • Hypnum (2095)
  • Isopterygiopsis (7)
  • Isopterygium (183)
  • Isothecium (1)
  • Mittenothamnium (5)
  • Orthothecium (43)
  • Plagiothecium (180)
  • Platydictya (35)
  • Platygyriella (2)
  • Platygyrium (69)
  • Pseudotaxiphyllum (91)
  • Ptilium (80)
  • Puiggariella (1)
  • Pylaisia (109)
  • Pylaisiella (6)
  • Sharpiella (10)
  • Stereodon (22)
  • Taxiphyllum (27)
  • Tripterocladium (26)
  • Vesicularia (19)