Test Organism 



Interacting Organism 



Observed Effects 



Reference Source 



Cosmarium lundellii 



Scenedesmus ovalternus 



S . ovalternus 



Cosmarium spp . 



Micrasterias spp. 



Cosmarium obtusatum 



Pediastrum boryanum 



P . clathratum var . 

 punctulatum 



Inhibited by filtrate 



Inhibited by boiled or 

 frozen filtrate 



Stimulated by untreated 

 filtrate 



Inhibited by filtrate 



Inhibited by filtrate 



Not inhibited by filtrate 



Not inhibited by filtrate 



Inhibited by filtrate 



Lefevre and Jakob 

 (1949) 



Lefevre and Jakob 

 (1949) 



Lefevre and Jakob 

 (1949) 



Lefevre and Jakob 

 (1949) 



Lefevre and Jakob 

 (1949) 



Lefevre and Jakob 

 (1949) 



Lefevre and Jakob 

 (1949) 



Lefevre, Nisbet 

 and Jakob 

 (1949) 



P. morum 



Scenedesmus oahuensis 



Inhibited by filtrate 



Lefevre, Nisbet 

 and Jakob 

 (1949) 



P. morum 



Achnanthes microcephala 



Inhibited by filtrate 



Lefevre, Nisbet 

 and Jakob 

 (1949) 



P. morum 



Phormidium uncinatum 



Good growth for 1 week 

 then cells die 



Lefevre, Nisbet 

 and Jakob 

 (1949) 



P. morum 



Mesotaenium caldariorum 



Not inhibited by filtrate 



Lefevre, Nisbet 

 and Jakob 

 (1949) 



P. morum 



Cosmarium lundellii 



Cells accumulate reserve 

 materials, fail to divide, 

 die. 



Lefevre, Nisbet 

 and Jakob (1949 

 (1949) 



P. morum 



Cosmarium ochthodes 



Cells accumulate reserve 

 materials, fail to divide, 

 die. 



Lefevre, Nisbet 

 and Jakob 

 (1949) 



Chlamydomonas 

 chlamydoqama 



Haematococcus pluvlalis 



Stimulation or inhibition 

 depending on media and 

 time in culture 



McVeigh and 

 Brown (1954) 



Chlamydomonas sp . 



Chlorella sp . 



Filtrates permit growth in 

 situation where Chlorella 

 could not otherwise grow 



Allen (1955) 



45 



