diff --git a/mods/ITEMS/mcl_core/nodes_base.lua b/mods/ITEMS/mcl_core/nodes_base.lua
index db2561082..39162d2f6 100644
--- a/mods/ITEMS/mcl_core/nodes_base.lua
+++ b/mods/ITEMS/mcl_core/nodes_base.lua
@@ -27,7 +27,7 @@ minetest.register_node("mcl_core:stone", {
 	tiles = {"default_stone.png"},
 	is_ground_content = true,
 	stack_max = 64,
-	groups = {pickaxey=1, stone=1, building_block=1, material_stone=1},
+	groups = {pickaxey=1, stone=1, building_block=1, material_stone=1, stonecuttable = 1, converts_to_moss = 1},
 	drop = "mcl_core:cobble",
 	sounds = mcl_sounds.node_sound_stone_defaults(),
 	_mcl_blast_resistance = 6,
@@ -297,7 +297,7 @@ minetest.register_node("mcl_core:granite", {
 	tiles = {"mcl_core_granite.png"},
 	is_ground_content = true,
 	stack_max = 64,
-	groups = {pickaxey=1, stone=1, building_block=1, material_stone=1},
+	groups = {pickaxey=1, stone=1, building_block=1, material_stone=1, converts_to_moss = 1},
 	sounds = mcl_sounds.node_sound_stone_defaults(),
 	_mcl_blast_resistance = 6,
 	_mcl_hardness = 1.5,
@@ -309,7 +309,7 @@ minetest.register_node("mcl_core:granite_smooth", {
 	tiles = {"mcl_core_granite_smooth.png"},
 	stack_max = 64,
 	is_ground_content = false,
-	groups = {pickaxey=1, stone=1, building_block=1, material_stone=1},
+	groups = {pickaxey=1, stone=1, building_block=1, material_stone=1, converts_to_moss = 1},
 	sounds = mcl_sounds.node_sound_stone_defaults(),
 	_mcl_blast_resistance = 6,
 	_mcl_hardness = 1.5,
@@ -321,7 +321,7 @@ minetest.register_node("mcl_core:andesite", {
 	tiles = {"mcl_core_andesite.png"},
 	is_ground_content = true,
 	stack_max = 64,
-	groups = {pickaxey=1, stone=1, building_block=1, material_stone=1},
+	groups = {pickaxey=1, stone=1, building_block=1, material_stone=1, converts_to_moss = 1},
 	sounds = mcl_sounds.node_sound_stone_defaults(),
 	_mcl_blast_resistance = 6,
 	_mcl_hardness = 1.5,
@@ -333,7 +333,7 @@ minetest.register_node("mcl_core:andesite_smooth", {
 	tiles = {"mcl_core_andesite_smooth.png"},
 	is_ground_content = false,
 	stack_max = 64,
-	groups = {pickaxey=1, stone=1, building_block=1, material_stone=1},
+	groups = {pickaxey=1, stone=1, building_block=1, material_stone=1, converts_to_moss = 1},
 	sounds = mcl_sounds.node_sound_stone_defaults(),
 	_mcl_blast_resistance = 6,
 	_mcl_hardness = 1.5,
@@ -345,7 +345,7 @@ minetest.register_node("mcl_core:diorite", {
 	tiles = {"mcl_core_diorite.png"},
 	is_ground_content = true,
 	stack_max = 64,
-	groups = {pickaxey=1, stone=1, building_block=1, material_stone=1},
+	groups = {pickaxey=1, stone=1, building_block=1, material_stone=1, converts_to_moss = 1},
 	sounds = mcl_sounds.node_sound_stone_defaults(),
 	_mcl_blast_resistance = 6,
 	_mcl_hardness = 1.5,
@@ -357,7 +357,7 @@ minetest.register_node("mcl_core:diorite_smooth", {
 	tiles = {"mcl_core_diorite_smooth.png"},
 	is_ground_content = false,
 	stack_max = 64,
-	groups = {pickaxey=1, stone=1, building_block=1, material_stone=1},
+	groups = {pickaxey=1, stone=1, building_block=1, material_stone=1, converts_to_moss = 1},
 	sounds = mcl_sounds.node_sound_stone_defaults(),
 	_mcl_blast_resistance = 6,
 	_mcl_hardness = 1.5,
@@ -380,7 +380,8 @@ minetest.register_node("mcl_core:dirt_with_grass", {
 		handy = 1, shovely = 1, dirt = 2, grass_block = 1, grass_block_no_snow = 1,
 		soil = 1, soil_sapling = 2, soil_sugarcane = 1, cultivatable = 2,
 		spreading_dirt_type = 1, enderman_takable = 1, building_block = 1,
-		compostability = 30, path_creation_possible = 1, grass_palette = 1
+		compostability = 30, path_creation_possible = 1, grass_palette = 1,
+		converts_to_moss = 1
 	},
 	drop = "mcl_core:dirt",
 	sounds = mcl_sounds.node_sound_dirt_defaults({
@@ -434,7 +435,9 @@ minetest.register_node("mcl_core:mycelium", {
 	tiles = {"mcl_core_mycelium_top.png", "default_dirt.png", {name="mcl_core_mycelium_side.png", tileable_vertical=false}},
 	is_ground_content = true,
 	stack_max = 64,
-	groups = { handy = 1, shovely = 1, dirt = 2, spreading_dirt_type = 1, enderman_takable = 1,  building_block = 1, soil_sapling = 2, path_creation_possible=1, mycelium=1},
+	groups = { handy = 1, shovely = 1, dirt = 2, spreading_dirt_type = 1, enderman_takable = 1,
+		building_block = 1, soil_sapling = 2, path_creation_possible=1, mycelium=1, converts_to_moss = 1
+	},
 	drop = "mcl_core:dirt",
 	sounds = mcl_sounds.node_sound_dirt_defaults({
 		footstep = {name="default_grass_footstep", gain=0.1},
@@ -492,7 +495,7 @@ minetest.register_node("mcl_core:podzol", {
 	tiles = {"mcl_core_dirt_podzol_top.png", "default_dirt.png", {name="mcl_core_dirt_podzol_side.png", tileable_vertical=false}},
 	is_ground_content = true,
 	stack_max = 64,
-	groups = {handy=1,shovely=3, dirt=2,soil=1, soil_sapling=2, soil_sugarcane=1, enderman_takable=1, building_block=1,path_creation_possible=1},
+	groups = {handy=1,shovely=3, dirt=2,soil=1, soil_sapling=2, soil_sugarcane=1, enderman_takable=1, building_block=1, path_creation_possible=1, converts_to_moss = 1},
 	drop = "mcl_core:dirt",
 	sounds = mcl_sounds.node_sound_dirt_defaults(),
 	on_construct = mcl_core.on_snowable_construct,
@@ -510,7 +513,9 @@ minetest.register_node("mcl_core:dirt", {
 	tiles = {"default_dirt.png"},
 	is_ground_content = true,
 	stack_max = 64,
-	groups = {handy=1,shovely=1, dirt=1,soil=1, soil_sapling=2, soil_sugarcane=1, cultivatable=2, enderman_takable=1, building_block=1, path_creation_possible=1},
+	groups = {handy=1,shovely=1, dirt=1,soil=1, soil_sapling=2, soil_sugarcane=1, cultivatable=2, enderman_takable=1,
+		building_block=1, path_creation_possible=1, converts_to_moss = 1
+	},
 	sounds = mcl_sounds.node_sound_dirt_defaults(),
 	_mcl_blast_resistance = 0.5,
 	_mcl_hardness = 0.5,
@@ -522,7 +527,9 @@ minetest.register_node("mcl_core:coarse_dirt", {
 	tiles = {"mcl_core_coarse_dirt.png"},
 	is_ground_content = true,
 	stack_max = 64,
-	groups = { handy = 1,shovely = 1, dirt = 3, soil = 1, soil_sugarcane = 1, cultivatable = 1, enderman_takable = 1, building_block = 1, soil_sapling = 2, path_creation_possible=1},
+	groups = { handy = 1,shovely = 1, dirt = 3, soil = 1, soil_sugarcane = 1, cultivatable = 1, enderman_takable = 1,
+		building_block = 1, soil_sapling = 2, path_creation_possible=1, converts_to_moss = 1
+	},
 	sounds = mcl_sounds.node_sound_dirt_defaults(),
 	_mcl_blast_resistance = 0.5,
 	_mcl_hardness = 0.5,
diff --git a/mods/ITEMS/mcl_deepslate/init.lua b/mods/ITEMS/mcl_deepslate/init.lua
index 5b16cff55..3422b2f07 100644
--- a/mods/ITEMS/mcl_deepslate/init.lua
+++ b/mods/ITEMS/mcl_deepslate/init.lua
@@ -19,7 +19,7 @@ minetest.register_node("mcl_deepslate:deepslate", {
 	paramtype2 = "facedir",
 	is_ground_content = true,
 	on_place = mcl_util.rotate_axis,
-	groups = { pickaxey = 1, stone = 1, building_block = 1, material_stone = 1 },
+	groups = { pickaxey = 1, stone = 1, building_block = 1, material_stone = 1, converts_to_moss = 1 },
 	drop = cobble,
 	sounds = mcl_sounds.node_sound_stone_defaults(),
 	on_rotate = screwdriver.rotate_3way,
@@ -47,7 +47,7 @@ minetest.register_node("mcl_deepslate:tuff", {
 	_doc_items_longdesc = S("Tuff is an ornamental rock formed from volcanic ash, occurring in underground blobs below Y=16."),
 	_doc_items_hidden = false,
 	tiles = { "mcl_deepslate_tuff.png" },
-	groups = { pickaxey = 1, deco_block = 1 },
+	groups = { pickaxey = 1, deco_block = 1, converts_to_moss = 1 },
 	sounds = mcl_sounds.node_sound_stone_defaults(),
 	_mcl_blast_resistance = 6,
 	_mcl_hardness = 1.5,
diff --git a/mods/ITEMS/mcl_lush_caves/nodes.lua b/mods/ITEMS/mcl_lush_caves/nodes.lua
index b5fd30573..b235928aa 100644
--- a/mods/ITEMS/mcl_lush_caves/nodes.lua
+++ b/mods/ITEMS/mcl_lush_caves/nodes.lua
@@ -85,7 +85,7 @@ minetest.register_node("mcl_lush_caves:cave_vines", {
 			{-0.5, -0.5, -0.5, 0.5, 0.5, 0.5}
 		},
 	},
-	groups = { shearsy = 1, dig_immediate=3, plant=1, supported_node=0,	dig_by_water=1,destroy_by_lava_flow=1, dig_by_piston=1, cultivatable=1 },
+	groups = { shearsy = 1, dig_immediate=3, plant=1, supported_node=0, dig_by_water=1, destroy_by_lava_flow=1, dig_by_piston=1, cultivatable=1, converts_to_moss = 1 },
 	sounds = mcl_sounds.node_sound_leaves_defaults(),
 	_mcl_blast_resistance = 0,
 	_mcl_blast_hardness = 0,
@@ -129,7 +129,7 @@ minetest.register_node("mcl_lush_caves:rooted_dirt", {
 	_doc_items_longdesc = S("Rooted dirt"),
 	_doc_items_hidden = false,
 	tiles = {"mcl_lush_caves_rooted_dirt.png"},
-	groups = {handy=1,shovely=1, dirt=1, building_block=1, path_creation_possible=1},
+	groups = {handy=1, shovely=1, dirt=1, building_block=1, path_creation_possible=1, converts_to_moss = 1},
 	sounds = mcl_sounds.node_sound_dirt_defaults(),
 	_mcl_blast_resistance = 0.5,
 	_mcl_hardness = 0.5,
diff --git a/mods/ITEMS/mcl_mud/init.lua b/mods/ITEMS/mcl_mud/init.lua
index 3f3b40eea..63d1dc622 100644
--- a/mods/ITEMS/mcl_mud/init.lua
+++ b/mods/ITEMS/mcl_mud/init.lua
@@ -10,7 +10,7 @@ minetest.register_node("mcl_mud:mud", {
 		dug = {name="mud_place_dug", gain=1},
 		place = {name="mud_place_dug", gain=1},
 	},
-	groups = {handy=1, shovely=1, enderman_takable=1, grass_block=1, soil_sugarcane=1, building_block=1},
+	groups = {handy=1, shovely=1, enderman_takable=1, grass_block=1, soil_sugarcane=1, building_block=1, converts_to_moss = 1},
 	_mcl_blast_resistance = 0.5,
 	_mcl_hardness = 0.5,
 	collision_box = {