diff --git a/mods/ITEMS/flowers/init.lua b/mods/ITEMS/flowers/init.lua
index 18b2fb8..29e8f1e 100644
--- a/mods/ITEMS/flowers/init.lua
+++ b/mods/ITEMS/flowers/init.lua
@@ -42,7 +42,7 @@ end
 flowers.datas = {
 	{
 		"rose",
-		"Rose",
+		"Red Rose",
 		{-2/16, -8/16, -2/16, 2/16, 5/16, 2/16},
 		{color_red = 1}
 	},
@@ -196,9 +196,9 @@ minetest.register_abm({
 })
 
 
---
--- Waterlily
---
+--[[
+	Waterlily
+--]]
 
 minetest.register_node("flowers:waterlily", {
 	description = "Waterlily",
@@ -218,11 +218,11 @@ minetest.register_node("flowers:waterlily", {
 	node_placement_prediction = "",
 	node_box = {
 		type = "fixed",
-		fixed = {-0.5, -31 / 64, -0.5, 0.5, -15 / 32, 0.5}
+		fixed = {-8/16, -31/64, -8/16, 8/16, -15/32, 8/16}
 	},
 	selection_box = {
 		type = "fixed",
-		fixed = {-7 / 16, -0.5, -7 / 16, 7 / 16, -15 / 32, 7 / 16}
+		fixed = {-7/16, -8/16, -7/16, 7/16, -15/32, 7/16}
 	},
 
 	on_place = function(itemstack, placer, pointed_thing)
diff --git a/mods/ITEMS/mushrooms/init.lua b/mods/ITEMS/mushrooms/init.lua
index 0a4ea7c..798d4a4 100644
--- a/mods/ITEMS/mushrooms/init.lua
+++ b/mods/ITEMS/mushrooms/init.lua
@@ -2,6 +2,14 @@
 	Mushrooms
 --]]
 
+
+-- Namespace for functions
+
+mushrooms = {}
+
+
+-- Mushroom registration
+
 minetest.register_node("mushrooms:mushroom_red", {
 	description = "Red Mushroom",
 	tiles = {"mushrooms_mushroom_red.png"},
@@ -17,7 +25,7 @@ minetest.register_node("mushrooms:mushroom_red", {
 	on_use = minetest.item_eat(-5),
 	selection_box = {
 		type = "fixed",
-		fixed = {-4 / 16, -0.5, -4 / 16, 4 / 16, -1 / 16, 4 / 16},
+		fixed = {-4/16, -8/16, -4/16, 4/16, -1/16, 4/16},
 	}
 })
 
@@ -36,45 +44,41 @@ minetest.register_node("mushrooms:mushroom_brown", {
 	on_use = minetest.item_eat(1),
 	selection_box = {
 		type = "fixed",
-		fixed = {-3 / 16, -0.5, -3 / 16, 3 / 16, -2 / 16, 3 / 16},
+		fixed = {-3/16, -8/16, -3/16, 3/16, -2/16, 3/16},
 	}
 })
 
 
 -- Mushroom spread and death
 
+function mushrooms.mushroom_spread(pos, node)
+	if minetest.get_node_light(pos, nil) == 15 then
+		minetest.remove_node(pos)
+		return
+	end
+	local positions = minetest.find_nodes_in_area_under_air(
+		{x = pos.x - 1, y = pos.y - 2, z = pos.z - 1},
+		{x = pos.x + 1, y = pos.y + 1, z = pos.z + 1},
+		{"group:soil", "group:tree"})
+	if #positions == 0 then
+		return
+	end
+	local pos2 = positions[math.random(#positions)]
+	pos2.y = pos2.y + 1
+	if minetest.get_node_light(pos, 0.5) <= 3 and
+			minetest.get_node_light(pos2, 0.5) <= 3 then
+		minetest.set_node(pos2, {name = node.name})
+	end
+end
+
 minetest.register_abm({
 	label = "Mushroom spread",
 	nodenames = {"mushrooms:mushroom_brown", "mushrooms:mushroom_red"},
 	interval = 11,
-	chance = 50,
-	action = function(pos, node)
-		if minetest.get_node_light(pos, nil) == 15 then
-			minetest.remove_node(pos)
-			return
-		end
-		local random = {
-			x = pos.x + math.random(-2, 2),
-			y = pos.y + math.random(-1, 1),
-			z = pos.z + math.random(-2, 2)
-		}
-		local random_node = minetest.get_node_or_nil(random)
-		if not random_node or random_node.name ~= "air" then
-			return
-		end
-		local node_under = minetest.get_node_or_nil({x = random.x,
-			y = random.y - 1, z = random.z})
-		if not node_under then
-			return
-		end
-
-		if (minetest.get_item_group(node_under.name, "soil") ~= 0 or
-				minetest.get_item_group(node_under.name, "tree") ~= 0) and
-				minetest.get_node_light(pos, 0.5) <= 3 and
-				minetest.get_node_light(random, 0.5) <= 3 then
-			minetest.set_node(random, {name = node.name})
-		end
-	end
+	chance = 150,
+	action = function(...)
+		mushrooms.mushroom_spread(...)
+	end,
 })
 
 -- Aliases for schematic nodes