UNIVERSITY OF THE WEST INDIES CAVE HILL CAMPUS  

DEPARTMENT OF BIOLOGICAL & CHEMICAL SCIENCES  

BIOL1051 - BIODIVERSITY I: THE PLANT KINGDOM  

A CLASSIFICATION SYSTEM OF SELECTED PLANT GROUPS  
 

INFORMAL  
GROUP NAME
BASIS  
FOR GROUPING
KINGDOM PHYLUM INFORMAL  
NAME
APPROX. NO. LIVING 
SPP. DESCRIBED
Algae          
  No embryo; Chl. a & c Plantae Chlorophyta  Green Algae 10,000
  No embryo; Chl. a & d /biliproteins   Rhodophyta  Red algae 4,000
           
Bryophytes  Embryos/no stele        
      Hepatophyta  Liverworts  8,500
      Bryophyta  Mosses  14,000
           
Rhyniophytes Embryos/stele/seedless    Rhyniophta   Extinct
           
Pteridophytes Embryos/stele/seedless        
Lycophytes     Lycopodiophyta Club mosses 970
      Pteridophyta  Ferns  10,000
      Order Filicales True ferns 10,000
      Order Psilotales  Whisk Ferns 10
      Order Equisetales  Horsetails 15
           
Gymnosperms  Embryos/stele/seeds        
      Cycadophyta  Cycads  160
      Coniferophyta Conifers  520
           
Angiosperms  Embryos/stele/flowers/seeds   Anthophyta    
         Cl. Eudicotyledones Dicots 200,000
         Cl. Monocotyledones Monocots  60,000

2012-8-27

CMSC