Reported results of lightning + obsidian are:obsidianfireflyairmotleyspringaquamarinesolar eclipseequinoxmagneticcrystalstorm
40%earth 40%obsidian 10% other
You can get any of the following dragons, Scorch, Firefly, Quake, Obsidian, Lava, and Crystal.
The top five results of breeding moss + obsidian are:Solar EclipsePoisonLavaObsidianFlower
Possible results of fire + obsidian:LavaObsidianEmeraldCactusMotleyTreeAirSparkPoisonAbyssDouble Rainbow Dragon
The five most common results of breeding chrome and flower dragons are:ForgeBrassFlowerPollenPoison
Storm
Results of current and tree dragons can be mud, crystal, or seaweed dragons.
probably a chrome
You get a plant dragon.
You get the scorch dragon
Blue fire