A. Symbiotic association between a fungus and liverworts
B. Parasitic association between a fungus and an alga
C. Parasitic association between a fungus and roots of plants
D. Symbiotic association between a fungus and roots of higher plants
A. Symbiotic association between a fungus and liverworts
B. Parasitic association between a fungus and an alga
C. Parasitic association between a fungus and roots of plants
D. Symbiotic association between a fungus and roots of higher plants