Images of the thallus and sporophytes.

A Jpeg image.

A Jpeg image.

Photograph and microscopic images.

Light micrograph showing antheridial cavity with 8 endogenous antheridia attached to the base.

Image.

TEM showing channel thylakoids (arrowheads) and lack of grana and membranes, characteristics of hornwort chloroplasts. Inset shows a granum from Vicia faba chloroplast with curved end membranes which contrasts with that of hornworts.

Light micrograph showing dorsal schizogenous mucilage cavities.

Microscopic image.

Microscopic image.

Links to information about the specimens in the American Bryophyte Catalogue of The New York Botanical Garden.

TEM showing immunocytochemical-labeling of RUBISCO in the pyrenoid.