See the Tree of Life at the University of Arizona for a web-based summary of current understanding of how organisms are related to each other.
Streptophytes - the lineage that includes the plant kingdom
The Class Charophyceae (sensu Mattox and Stewart)
Embryophyta
A liverwort, Targionia (Marchantiales) growing on soil in California.
Another Liverwort, Fossombronia (Metzgeriales) growing amid Phaoceros and Anthoceros.
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| A marimo ball stamp from Japan |
Prokaryotes
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| Spirulina and Lyngbia | Nostoc | Pichonjoto |
