| INFORMAL
GROUP NAME |
BASIS
FOR GROUPING |
KINGDOM | DIVISION | INFORMAL
NAME |
APPROX. NO. LIVING
SPP. DESCRIBED |
| Blue-green `algae' | Prokaryotes | Monera | Prokaryophyta | Blue-green algae | 1,700 |
| Cl. Cyanophyceae | |||||
| Algae | Chl. a & c | Plantae | Dinophyta | Dinoflagellates | 1,000 |
| Xanthophyta | Yellow-green algae | 400 | |||
| Chrysophyta | |||||
| Cl. Bacillariophyceae | Diatoms | 5,000 | |||
| Cl. Chrysophyceae | Golden brown algae | 350 | |||
| Phaeophyta | Brown algae | 1,500 | |||
| Chl. a & d /biliproteins | Rhodophyta | Red algae | 4,000 | ||
| Chl. a & b | Euglenophyta | Euglenoids | 800 | ||
| Chlorophyta | Green algae | 10,000 | |||
| Bryophytes | Embryos/no stele | Bryophyta | |||
| Cl. Hepaticae | Liverworts | 8,500 | |||
| Cl. Musci | Mosses | 14,000 | |||
| Pteridophytes | Embryos/stele | Rhyniophta | Extinct | ||
| Psilotophyta | Whisk Ferns | 10 | |||
| Lycopodiophyta | Club mosses | 970 | |||
| Equisetophta | Horsetails | 15 | |||
| Pteridophyta | Ferns | 9,800 | |||
| Gymnosperms | Embryos/stele/seeds | Cycadophyta | Cycads | 160 | |
| Coniferophyta | Conifers | 520 | |||
| Angiosperms | Embryos/stele/flowers/seeds | Anthophyta | |||
| Cl. Dicotyledonae | Dicots | 200,000 | |||
| Cl. Monocotyledonae | Monocots | 60,000 |
1997-10-01
CMSC