Brown Spots on Aquarium Plants — Reasons & Remedies
Ludwigia - sudden rot (HELP!) | Aquatic Plant Forum
Diagnosing Problems with Aquarium Plants - RateMyFishTank.com
Any idea what could be causing some roots to rot on my plants growing out of the top of the aquarium? plants look healthy and lots of new growth but some root
rotting process of the base of the stems | UK Aquatic Plant Society
How to resolve plant problems in an aquarium - Pond Aquarium Problem Solver