Algae Resources

General Order of Life - Tree of Life Project >>http://phylogeny.arizona.edu/tree/life.html


Kingdom Eubacteria


Phylum Cyanophyta* (bluegreen algae or cyanobacteria)

Learn more about bluegreens at: Cyanobacterial Image Gallery
  http://www.ucmp.berkeley.edu/bacteria/cyanointro.html
Video Bluegreen alga repelling a grazer

Nostoc sp. Oscillatoria sp.
Source of photos: University of Wisconsin Botanical Images Collection


Super Kingdom Eukaryota / Kingdom Plantae

"Eukaryotic Algae"



Phylum Chlorophyta* (green algae)

Learn more about the chlorophytes at: http://www.ucmp.berkeley.edu/greenalgae/chlorophyceae.html
  Ohio University Chlorophyta Image Index

Fig. 1 Fig. 2  Fig. 3
               Fig. 1: Colonies of Volvox sp.;
               Fig. 2: Pediastrum sp. (Chlorellales);
               Fig. 3: Microasterias sp., a representative desmid.

Fig. 4
Fig 4: Stonewort - Chara sp. Characeae
ID: thin and featherlike linear leaves in whorls from branched stem
Habitat: rooted, submerged aquatic algae, prefers nutrient rich waters
Notes: secretes calcium carbonate (CaCO3), has a strong skunk smell

 


Phylum Heterkontophyta (formely division Chrysophyta)
   *Class Bacillariophyceae (diatoms)
Learn more about the diatoms at: http://www.ucmp.berkeley.edu/chromista/diatoms/diatomlh.html
  Ohio University Bacillariophyceae Image Index 

                            *Order Centrales                         *Order Pennales     


Phylum Pyrrhophyta, or Dinophyta (dinoflagellates)
Learn more about the dinoflagellates: Freshwater Dinoflagellates of Ohio (New with many links)
  http://www.rrz.uni-hamburg.de/biologie/b_online/d44/44f.htm

    


Phylum Rhodophyta (red algae)


 
 


Table of Algal/Plant Characteristics

Division
Nucleus
Cell Wall
Pigments
Storage Products
Other Characters
Cyanophyta 
blue-green algae
prokaryotic
polysaccharide
Chl. a
biliproteins
cyanophycin
Heterocysts fixate N2
No defined chloroplasts
Akinetes for reproduction
Chlorophyta
green algae
eukariotic
cellulose, pectin
Chl. a & b carotenoids
starch
Primarily fresh water
Evolutionary advanced
Extremely large group
Chrysophyta
golden algae
eukariotic
pectin
silica (SiO2)
Chl. a & c & e
 leucosin & oils
 Gametes with 2 unequal flagella
Class Bacillariophyceae=Diatoms -includes: Order Centrales & Pennales
Euglenophyta
euglenoids
eukariotic
none, pellicle
Chl. a & b carotenoids
polysaccharide
1 to 3 flagella at anterior of cell
Gullet at anterior end for ingesting
Inhabit quiet ponds/lakes
Dinophyta
dinoflagellates
eukariotic
cellulose
Chl. a & c
carotenoids
starch
Motile forms have 2 flagella
Flagella of unequal length in grooves Red tide: Gymnodium
Rhodophyta
red algae
eukariotic
polysulphate esters
cellulose
Chl. a & d carotenoids
biliproteins
polysaccharide
No flagellated life stages
Mostly found in marine environs
Batrachospermum found in MI
Bryophyta
liverworts and mosses
eukariotic
cellulose
Chl. a & b
carotenoids
starch
Non-vascular
Gametophyte dominant
Indicator of ombrotrophic wetlands
Tracheophyta
vascular plants
eukariotic
cellulose
Chl. a & b
carotenoids
starch
Sporophyte dominant
Aquatic divided into submergent, floating and emergent