CHART III: PLANT KINGDOM
Divisions
Estimated
Number
of Species
d
Major Synonymous Terms
Euglenophyta
34(T
(euglenoids)
Chlorophyta
5,700
(green algae)
Pyrrophyta
1,000
(cryptomonads,
dinoflagellates)
Chrysophyta
5,700]
(yellow green algae,
diatoms)
Phaeophyta
900*
(brown algae)
Rhodophyta
2,500
(red algae)
Cyanophyta
a
1,400
(blue-green algae)
Schizomycophyta
a
1,300^
(bacteria)
i
Myxomycophyta
430
(slime molds)
Eumycophyta
74,000
(true fungi)
J
Lichenes
15,500
(lichens)
Bryophyta
23,800
(mosses
and liverworts)
Psilophyta
b
3
(whisk ferns)
Calamophyta
b
30
(horsetails)
Lepidophyta
b
1,300
(lycopods)
Pterophyta
b
>
c
10,000"^
(ferns)
Spermatophyta
201,000
(seed plants)
J
•Thallophytai
•Cryptogamia
j
^•Bryophyta
^TracheophytaJ
•Pteropsida
^ 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.
Algae
'Fungi
J
Fsilopsida Λ
Sphenopsida ,
Lycopsidä )