diff --git a/mapgen.lua b/mapgen.lua
index df8269a..175a553 100644
--- a/mapgen.lua
+++ b/mapgen.lua
@@ -71,12 +71,26 @@ minetest.register_on_generated(function(minp, maxp, seed)
 					end
 					if ground_y then
 						local boden = {x=x,y=ground_y+1,z=z}
-						if pr:next(1,380) == 1 then
+						if pr:next(1,15) == 1 then
+							env:add_node(boden, {name="default:dry_shrub"})
+						elseif pr:next(1,80) == 1 then
+							env:add_node(boden, {name="riesenpilz:brown"})
+						elseif pr:next(1,90) == 1 then
+							env:add_node(boden, {name="riesenpilz:red"})
+						elseif pr:next(1,100) == 1 then
+							env:add_node(boden, {name="riesenpilz:fly_agaric"})
+						elseif pr:next(1,4000) == 1 then
+							env:add_node(boden, {name="riesenpilz:lavashroom"})
+						elseif pr:next(1,5000) == 1 then
+							env:add_node(boden, {name="riesenpilz:glowshroom"})
+						elseif pr:next(1,380) == 1 then
 							riesenpilz_hybridpilz(boden)
 						elseif pr:next(1,340) == 10 then
 							riesenpilz_brauner_minecraftpilz(boden)
 						elseif pr:next(1,390) == 20 then
 							riesenpilz_minecraft_fliegenpilz(boden)
+						elseif pr:next(1,6000) == 2 and pr:next(1,200) == 15 then
+							riesenpilz_lavashroom(boden)
 						end
 						env:add_node({x=x,y=ground_y,z=z}, {name="riesenpilz:ground"})
 						for i = -1,-5,-1 do
diff --git a/textures/riesenpilz_ground_side.png b/textures/riesenpilz_ground_side.png
index 4241941..76041cd 100644
Binary files a/textures/riesenpilz_ground_side.png and b/textures/riesenpilz_ground_side.png differ
diff --git a/textures/riesenpilz_growingtool.png b/textures/riesenpilz_growingtool.png
index d526952..636c7cf 100644
Binary files a/textures/riesenpilz_growingtool.png and b/textures/riesenpilz_growingtool.png differ