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.: 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.