Flora and Fauna
- 1721
- Yersinia pestis
- Kristi Taylor provides information on the organism responsible for the Black Death, its classification, its hosts, the several forms of the disease and its outcome, with or without treatment.
- 1722
- Borrelia burgdorferi and Lyme Disease
- Todar's Online Textbook of Bacteriology chapter on this disease and the spirochete Borrelia burgdorferi that causes it.
- 1723
- Spirochaete
- Information from Wikipedia on this phylum of gram-negative bacteria, members of which are responsible for several serious diseases.
- 1724
- Anthocerotophyta
- Phylogenetic tree for the Hornworts from the Tree of Life Web Project and a photograph of a species of Phaeoceros.
- 1725
- Phylum Anthocerotophyta
- Provides a classification of the hornworts at the rank of genus and above.
- 1726
- Return of the Hornworts
- Article by Anna Levin describing how a walk across a muddy field inspired the bryologist David Long to consider how changing agricultural practices were affecting Bryophytes on arable land.
- 1727
- The Hidden Forest: Hornworts
- An introduction to the Anthocerotopsida outlining their unique features and methods of reproduction with several photographs of Anthoceros species.
- 1728
- Nostoc
- Research project by Joseph Kaisersatt on this photosynthetic bacterium, including its classification, adaptation, life and interactions with other species.
- 1729
- An Introduction to Backyard Mosses
- A short guide to finding and collecting mosses for budding bryologists.
- 1735
- Mosses in North-West Europe
- Photographs of mosses and liverworts (Bryophyta and Hepaticae) in North-West Europe.