| Plants |
| All plants are multicellular, eukaryotes. All reproduce by an alternation of generations and all evolved from green algae. |
| Phylum Bryophyta These are nonvascular plants such as mosses. The gametophyte is the dominant generation, and it looks like a green, leafy, small plant that has no roots, stems or leaves. They are found in moist areas and there is about 10,000 species |
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| moss www.ire.ubc.ca/ecoresearch/moss.gif |
| Phylum Hepatophyta These nonvascular plants are found in moist environments and have a small, flatted, leafy body that has no roots stems or leaves. There are 6,000 species and an example is liverworts. |
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| liverworts faculty.plattsburgh.edu/.../ONSCV?ONSCV/coveyhill.htm |
| Phylum Anthocerophyta These nonvascular plants, such as hornworts, have the gametophyte as the dominant generation. They are found in moist places, and are small and flat without roots, stems, or leaves. There are about 100 species of these plants. |
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| hornwort www.ucmp.berkeley.edu/plants/hornwortyoung.jpg |
| Phylum Psilotophyta These plants are vascular plants that live in moist environments. The sporophyte is the dominant generation and these plants are small, have leaves, but no roots or stems. There is about 21 species and an example is whisk ferns. |
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| whisk fern www.users.muohio.edu/smithhn/seedlessvascularplants.htm |
| Phylum Lycophyta These are vascular plants that have a sporophyte as the dominant generation. They live in moist areas, and are mosslike with roots, stems, and leaves. There is 1,000 species and an example is club mosses. |
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| club moss hawthorn.csse.monash.edu.au/~njh/photos/macro |
| Phylum Sphenophyta These are vascular plants such as horsetails, that have the sporophyte as the dominant generation. They are found in moist places and has roots, soft stems, and needlelike leaves. There is about 15 species in this phylum. |
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| horsetail www.motherlove.com/ horsetail.html |
| Phylum Pterophyta These vascular plants live in moist, tropical environments, and roots, stems, and leaves, called fronds. The sporophyte is the dominant generation. There are about 12,000 species and an example is ferns. |
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| fern www.tcoutdoorservices.com/tips.html |