Cryptocoryne parva

Nice parva. What lighting are you using to support it?

I have never seen brown coloring on C. parva leaves, before. Sure it is parva?

Looks beautiful. I hope I can get what's left of my parva to take off...along with my dwarf hairgrass! Both have stalled and are better at collecting algae than putting out new growth.

It is being grown in a 30 gallon tank under a 6700k, 96 watt AH Supply power compact.

It is parva. If it gets completely unobstructed light and lots of iron, etc, it can indeed get a bit brown.

96 watts on 30 gallons oughta do it. I guess you can turn any crypt except maybe C. lingua brown if you give it enough light. I have got C. x willisii (the old C. lucens) in a 75 gallon with 2 96 watt CF's, and am getting some interesting brownish red leaves.