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PLANT-VARIETY,FUNGI AND LICHENS

FUNGI  WERE   ONCE   THOUGHT  OF  AS  PLANTS   but  are  now  classified    as  a  separate   kingdom .This  kingdom   includes  not  only   the  familiar  mushroom ,  puffballs,stinkhorns,  and  moulds, but  also  yeast ,  smuts,rusts,  and  lichens . Most   fungi  are  multicellular, consisting   of  a  mass   of  thread  like  hyphae    that  together  form  a   mycelium  . However  ,  the    simpler  fungi  (e.g yeast  ) are  microscopic , single  cell   organism.A  few  fungi   obtain  their  food    from   plants  or   algae  ,   with  which    they  have  a  symbiotic (mutual  advantageous )  relationship .
Lichens    are  a symbiotic    partnership   between   algae  and  fungi  .Of  the  six   types  of  lichens   the   three   most  common  are  crustose,(flat  and  crusty), foliose (leafy),  and   fruticose(shrub-like).Some  lichens   are  a  combination of   types.Lichens  reproduce   by  means  of  spores  or   soredia (powdery   vegetative  fragment ).

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