Association between mycobiont and phycobiont are found in
1.  mycorrhiza

2.  root

3.  lichens

4.  BGA

(c) Lichens are dual organisms which has a permanent symbiotic association of fungus and an alga. The fungal partner is called mycobiont an the algal partner is called phycobiont.
Mycorrhiza is association of fungus with roots, but not with an algae.
BGA is a member of Kingdom Monera having a prokaryotic cell.