I have a standard 55 gallon. I have various anubias, swords, water sprite, wisteria, lutea, micro swords, pellia, and jave moss. My lighting right now is a dual 48" shop light with 2 GE 6,500k T8 bulbs and nothing else. There are also no reflectors on the shop light.
These plants will probably be okay with the light you have. Instead of spending money another light, you could do a DIY reflector. Might check out hydroponics shop for 1.