| CABI Bioscience Databases: Index Fungorum: Searchable taxonomic databases of the fungi. |
| Discover Life: Fungi: Checklists, images, and identification guides for fungi. |
| Fungi of Poland: Photographs and description of thousands species of macrofungi growing in Poland and Central Europe. Includes a determination key. In English and Polish. |
| Introduction to the Fungi: Brief introduction to this kingdom with links to further information. |
| Macrofungi of Costa Rica: Images and keys for mushrooms and other forms found in the regions of Costa Rica that have been explored by the authors. Several images of common as well as unusual and apparently new species. |
| Mushrooms of Spain: Photographs of fungi of Tena Valley, Spain. |
| Natural Perspective: Fungus Kingdom: An introduction to fungi and some of the divisions which make up this kingdom. |
| The Fifth Kingdom: Introduction to the world of fungi for both amateurs and experts. Includes over 800 photographs. |
| Treasures from the Kingdom of Fungi: Beautiful, educational, and artistic photographs of mushrooms and other fungi by Taylor F. Lockwood. Includes an online game and a stock photo catalogue. |
| Zoosporic Fungi Online: Resource of information on zoosporic fungi, which includes chytrids, oomycetes, labyrinthulids, and other protists. Contains glossary, photos, how to isolate and maintain these organisms in culture, current publications, job listings, and related links. |
Classical
