Anthocerotophyta - The hornworts are an unusual group of plants of which many people are unaware and are so named because of their curious reproductive structures.
Anthocerotophyta - Phylogenetic tree for the Hornworts from the Tree of Life Web Project and a photograph of a species of Phaeoceros.
Anthocerotophyta - The classification of the hornworts based on Hyvonen and Piippo (1993), with references for taxonomic papers.
The Hidden Forest: Hornworts - An introduction to the Anthocerotopsida outlining their unique features and methods of reproduction with several photographs of Anthoceros species.
Hornwort - Photograph of this species with sporophytes.
Hornwort Web Portal - Provides information on research into various aspects of hornwort biology including the production of a new system of classification, and photographs of many species.
Phylum Anthocerotophyta - Provides a classification of the hornworts at the rank of genus and above.
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.
Sporophyte Foot - A microscopic image of a cross-section through the foot of a sporophyte.