Which plants for Discus tank ?

I am getting some Discus fish in a few days, and I'm adding them to my
planted South-American tank.

I will need to raise the temp to 84-6 F for the Discus.

Which plants do well at 84 F or higher ?

I have these plants in the tank now :
Hygrophila species
North American water lilly ( species ? )
Amazon Swords
Dwarf Swords
Bananna plants
Hornwort
Anacharis

Which ones will be ok with the higher temp ?
Please point me to a good website if you don't want to type a long answer
....

Thanks in advance ;
Keith J.
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