Botany

Algae

• AlgaeBase
  

Biological Soil Crusts

• A Field Guide to Biological Soil Crusts of Western U.S. Drylands
  

Bryophytes

• Consortium of North American Bryophyte Herbaria
  


• Introduction to the Bryophyta (Mosses)
  University of California - Berkeley

Diatoms

• Diatoms of the United States
  

Fungi

• Fungal Diversity Survey (FunDiS)
  


• Montana Mushrooms
  


• MycoBank
  


• Mycology Collections Portal
  


• Species Fungorum
  

Herbaria

• Harvard University Herbaria
  Includes the Gray Herbarium and an on-line search function of plant specimens


• Rocky Mountain (RM) Herbarium Homepage
  


• The Burke Museum and Herbarium at the University of Washington
  Searchable on-line specimen database, including over 10,000 Montana vascular plant records


• The Consortium of Pacific Northwest Herbaria
  Searchable on-line specimen database of more than 1.7 million specimens, including over 130,000 Montana vascular plant records


• The Montana State University Herbarium (MONT)
  


• The New York Botanical Garden C.V. Starr Virtual Herbarium
  Searchable on-line specimen database, including over 1,000 Montana vascular plant records


• The University of Montana Herbarium (MONTU) Homepage
  Including searchable database of Montana specimens

Images

• Lichen Photos
  Over 6,300 photos of 1,250 lichen species


• Montana Plant Life
  Photos and other information on some of Montana's more common plants


• Smithsonian Institution Plant Photo Archive and Collections
  A collection of over 31,000 images of plant species

Lichens

• A Cumulative Checklist of Lichens of the Continental United States and Canada
  


• Consortium of North American Lichen Herbaria
  


• Introduction to Lichens
  


• Lichen Photos
  Over 6,300 photos of 1,250 lichen species


• Lichens of North America
  

Orchids

• North American Orchid Conservation Center
  

Publications

• Botanical Electronic News (BEN)
  


• Journal of the Botanical Research Institute of Texas
  A publication of botanical research


• Phytologia
  A journal to expedite plant systematic, phytogeographical and ecological publication


• The Plant Press
  A publication of the Dept of Botany, Smithsonian Institution

Societies

• Center for Plant Conservation
  


• Montana Native Plant Society
  


• Northwest Lichenologists
  


• Plant Conservation Alliance (PCA)
  A public-private partnership of organizations that share the goal of protecting native plants

Trees

• Montana Registry of Big Trees
  

Vascular Plant Floras and Databases

• Biota of North America Program (BONAP)
  A program of the North Carolina Botanical Garden


• Database of Vascular Plants of Canada (VASCAN)
  


• Festuca of North America
  Descriptions, illustrations, identification and information for North American Fescue species


• Fire Effects Information System (FEIS)
  


• Flora of North America Project
  Project Information


• Grasses of Montana
  A downloadable manual to the grasses of Montana


• iDigBio: integrated digitized biocollections
  


• Missouri Botanical Garden (MOBOT)
  


• OneZoom Tree of Life Explorer
  


• PLANTS Database (NRCS)
  Standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories


• Plants of the World Online
  


• Smithsonian's Botany Home Page
  


• Species in Parks - National Parks (NPS) Flora and Fauna Database
  Searchable database of plant species by National Park unit


• Tree Species Range Maps
  From Atlas of United States Trees by Elbert L. Little, Jr. (and other publications)


• Tropicos Database
  


• Vascular Plants of British Columbia
  Downloadable version of the provincial flora


• Violets of the Great Plains and Eastern North America
  


• Wetland Plants - National Wetlands Inventory
  National list of plant species that occur in wetlands