- Anthocerophyta - Gallery of images from the University of Wisconsin Botany Department.
- Anthocerotophyta - An introduction.
- Anthocerotophyta - The classification of the hornworts along with images of the characteristics of these plants
- Anthocerotophyta - The classification of the hornworts based on Hyvonen & Piippo (1993), with references for taxonomic papers.
- Classification of hornworts - Four classification systems of the Anthocerotophyta.
- Hornwort - Photograph of this species with sporophytes.
- Hornworts - A cladogram based on Hasegawa (1994).
- Hornworts. - Proposed phylogenetic relationships.
- Sporophyte Foot - A microscopic image of a cross-section through the foot of a sporophyte.
- Stoma - A microscopic image.
- Thallus - A photograph of hornwort thallus.
- Thallus cells - A microscopic image.