CHART III: PLANT KINGDOM
Divisions
Estimated
Number
of Species
d
Major Synonymous Terms
Euglenophyta
(euglenoids)
Chlorophyta
(green algae)
Pyrrophyta
(cryptomonads,
dinoflagellates)
Chrysophyta
(yellow green algae,
diatoms)
Phaeophyta
(brown algae)
Rhodophyta
(red algae)
Cyanophyta
a
(blue-green algae)
Schizomycophyta
a
(bacteria)
Myxomycophyta
(slime molds)
Eumycophyta
(true fungi)
Lichenes
(lichens)
Bryophyta
(mosses
and liverworts)
Psilophyta
b
(whisk ferns)
Calamophyta
b
(horsetails)
Lepidophyta
b
(lycopods)
Pterophyta
b »
c
(ferns)
Spermatophyta
(seed plants)
340
5,700
1,000
5,700 VAlgae
\
\
►ThallophytaJ
►Cryptogamia
Vßryophyta
3 Psilopsida
30 Sphenopsida/
1,300 Lycopsida ^-Tracheophyta^
ιο,οοοΊ
►Pteropsida
201,000
}
>Phanerogamia
a Sometimes grouped as Schizophyta.
b Formerly classed as Pteridophyta.
c Formerly classed as Filicineae in Pteropsida.
d Taken from "Handbook of Biological Data" (4), p. 533.
e There is much disagreement concerning designation of species here.
XXV
900 \
2,500
1,400 /
1,300^)
430 > Fungi
74,000 J
15,500
23,800