| Hornwort Colony [Photo by UW-Madison]
Chapter Outline- Description of Embryophyta
- Classification of Embryophyta
- Bryophyta
- Marchantiophyta
- Anthocerotophyta

Links to external sites will appear in pop-up windows. | | | Anthocerotophyta is the clade of Hornworts. As of 2024, 13 species of Anthocerotophyta have been observed in iNaturalist in the US and 35 throughout the world.- CLASS ANTHOCEROTOPSIDA
- SUBCLASS ANTHOCEROTIDAE
- SUBCLASS DENDROCEROTIDAE
- SUBCLASS NOTOTHYLIDAE
- ORDER NOTOTHYLADALES
- FAMILY NOTOTHYLADACEAE
- Carolina Hornwort (Phaeoceros carolinianus) - most iNat observations in the US for Anthocerotophyta
- CLASS LEIOSPOROCEROTOPSIDA
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