diff --git a/planet/Objects.ocd/Items.ocd/Foodstuff.ocd/CookedMushroom.ocd/Script.c b/planet/Objects.ocd/Items.ocd/Foodstuff.ocd/CookedMushroom.ocd/Script.c
index b28518cf8..03115587a 100644
--- a/planet/Objects.ocd/Items.ocd/Foodstuff.ocd/CookedMushroom.ocd/Script.c
+++ b/planet/Objects.ocd/Items.ocd/Foodstuff.ocd/CookedMushroom.ocd/Script.c
@@ -12,7 +12,7 @@ protected func ControlUse(object clonk, int iX, int iY)
 	clonk->Eat(this);
 }
 
-public func NutritionalValue() { return 15; }
+public func NutritionalValue() { return 25; }
 
 public func IsKitchenProduct() { return true; }
 public func GetFuelNeed() { return 50; }
diff --git a/planet/Objects.ocd/Vegetation.ocd/Mushroom.ocd/DefCore.txt b/planet/Objects.ocd/Vegetation.ocd/Mushroom.ocd/DefCore.txt
index f8ae39aee..aa9500759 100644
--- a/planet/Objects.ocd/Vegetation.ocd/Mushroom.ocd/DefCore.txt
+++ b/planet/Objects.ocd/Vegetation.ocd/Mushroom.ocd/DefCore.txt
@@ -3,11 +3,11 @@ id=Mushroom
 Version=6,0
 Category=C4D_Object
 Width=12
-Height=20
-Offset=-6,-10
+Height=30
+Offset=-6,-15
 Vertices=2
 VertexX=0,0
-VertexY=1,4
+VertexY=10,14
 VertexCNAT=16,8
 VertexFriction=10,100
 Mass=6
diff --git a/planet/Objects.ocd/Vegetation.ocd/Mushroom.ocd/Script.c b/planet/Objects.ocd/Vegetation.ocd/Mushroom.ocd/Script.c
index a488a9ecd..ae26d2749 100644
--- a/planet/Objects.ocd/Vegetation.ocd/Mushroom.ocd/Script.c
+++ b/planet/Objects.ocd/Vegetation.ocd/Mushroom.ocd/Script.c
@@ -1,41 +1,62 @@
-/*-- Mushroom --*/
+/** 
+	Mushroom 
+	Can be picked and eaten.
+	
+	@author
+*/
 
 #include Library_Plant
 #include Library_Crop
 
-private func SeedChance() { return 400; }
+private func SeedChance() { return 600; }
 private func SeedArea() { return 150; }
-private func SeedAmount() { return 6; }
+private func SeedAmount() { return 4; }
 private func SeedOffset() { return 10; }
 
-/* Initialisation */
+/*-- Initialization --*/
 
-func Construction()
+protected func Construction()
 {
 	StartGrowth(3);
-	_inherited(...);
+	RootSurface();
+	this.MeshTransformation = Trans_Mul(Trans_Translate(0, 10000, 0), Trans_Rotate(RandomX(0, 359), 0, 1, 0));
+	return _inherited(...);
 }
 
-private func Initialize()
+public func RootSurface()
 {
-	SetProperty("MeshTransformation", Trans_Rotate(RandomX(0,359),0,1,0));
+	// First move up until unstuck.
+	var max_move = 30;
+	while (Stuck() && --max_move >= 0)
+		SetPosition(GetX(), GetY() - 1);	
+	// Then move down until stuck.
+	max_move = 30;
+	while (!Stuck() && --max_move >= 0)
+		SetPosition(GetX(), GetY() + 1);
+	return;
 }
 
-/* Harvesting */
+/*-- Harvesting --*/
 
 private func IsCrop() { return true; }
 private func SickleHarvesting() { return false; }
 
+public func IsHarvestable()
+{
+	// The mushroom is harvestable if it has grown a little.
+	return GetCon() >= 50;
+}
+
 public func Harvest(object clonk)
 {
-	this.Collectible = 1;
+	this.Collectible = true;
 	clonk->Collect(this);
 	return true;
 }
 
 public func IsInteractable(object clonk)
 {
-	return GetProperty("Collectible") != 1 && inherited(clonk);
+	return !this.Collectible && inherited(clonk);
 }
 
 public func GetInteractionMetaInfo(object clonk)
@@ -43,17 +64,18 @@ public func GetInteractionMetaInfo(object clonk)
 	return { Description = "$PickMushroom$" };
 }
 
-/* Eating */
+/*-- Eating --*/
 
 protected func ControlUse(object clonk, int iX, int iY)
 {
 	clonk->Eat(this);
 }
 
-public func NutritionalValue() { return 5; }
+// Nutritional value depends on the completion of the mushroom.
+public func NutritionalValue() { return 3 * GetCon() / 20; }
 
 local Name = "$Name$";
 local Description = "$Description$";
 local UsageHelp = "$UsageHelp$";
-local Collectible = 0;
+local Collectible = false;
 local Placement = 4;
\ No newline at end of file
diff --git a/planet/Worlds.ocf/AcidRift.ocs/Script.c b/planet/Worlds.ocf/AcidRift.ocs/Script.c
index 0ca38e078..6435158a2 100644
--- a/planet/Worlds.ocf/AcidRift.ocs/Script.c
+++ b/planet/Worlds.ocf/AcidRift.ocs/Script.c
@@ -137,9 +137,9 @@ private func InitVegetation(int map_size, int difficulty)
 	Fern->Place(20, top);
 	Fern->Place(20, middle);
 	Fern->Place(20, bottom);
-	Mushroom->Place(14, top);
-	Mushroom->Place(14, middle);
-	Mushroom->Place(14, bottom);
+	Mushroom->Place(10, top);
+	Mushroom->Place(10, middle);
+	Mushroom->Place(10, bottom);
 	
 	// Some branches and trunks.
 	Branch->Place(24 + Random(12));
diff --git a/planet/Worlds.ocf/Chine.ocs/Script.c b/planet/Worlds.ocf/Chine.ocs/Script.c
index e8825c6e1..dfa1ab24d 100644
--- a/planet/Worlds.ocf/Chine.ocs/Script.c
+++ b/planet/Worlds.ocf/Chine.ocs/Script.c
@@ -183,9 +183,9 @@ private func InitVegetation(int map_size, int difficulty)
 	Fern->Place(20, top);
 	Fern->Place(20, middle);
 	Fern->Place(20, bottom);
-	Mushroom->Place(14, top);
-	Mushroom->Place(14, middle);
-	Mushroom->Place(14, bottom);
+	Mushroom->Place(10, top);
+	Mushroom->Place(10, middle);
+	Mushroom->Place(10, bottom);
 	
 	// Some branches and trunks.
 	Branch->Place(30 + 12 * map_size + Random(16));
diff --git a/planet/Worlds.ocf/FloodedVeins.ocs/Script.c b/planet/Worlds.ocf/FloodedVeins.ocs/Script.c
index 54cf10591..35d866d82 100644
--- a/planet/Worlds.ocf/FloodedVeins.ocs/Script.c
+++ b/planet/Worlds.ocf/FloodedVeins.ocs/Script.c
@@ -166,7 +166,7 @@ private func InitVegetation(int map_size)
 	// Cave entrance covered with mushrooms and bushes.
 	SproutBerryBush->Place(4, Rectangle(0, 120, 100, 40));
 	Fern->Place(4, Rectangle(0, 120, 100, 40));
-	Mushroom->Place(8, Rectangle(0, 120, 100, 40));
+	Mushroom->Place(6, Rectangle(0, 120, 100, 40));
 	
 	// The cavern has some grass wherever possible.
 	PlaceGrass(100);
@@ -179,7 +179,7 @@ private func InitVegetation(int map_size)
 	
 	// Some ferns and mushrooms scattered around the top and middle sections.
 	Fern->Place(12, Rectangle(0, 0, wdt, 3 * hgt / 8));
-	Mushroom->Place(20, Rectangle(0, 0, wdt, 3 * hgt / 8));
+	Mushroom->Place(14, Rectangle(0, 0, wdt, 3 * hgt / 8));
 	
 	// Create earth materials in big clusters so the whole object arrangement looks a bit less uniform and more interesting.
 	PlaceBatches([Firestone], 3, 100, 5);
diff --git a/planet/Worlds.ocf/IronPeak.ocs/Script.c b/planet/Worlds.ocf/IronPeak.ocs/Script.c
index 1a0b7d4de..eb18a4836 100644
--- a/planet/Worlds.ocf/IronPeak.ocs/Script.c
+++ b/planet/Worlds.ocf/IronPeak.ocs/Script.c
@@ -131,7 +131,7 @@ private func InitVegetation(int map_size)
 	LargeCaveMushroom->Place(5 + 2 * map_size + Random(5), nil, { terraform = false });
 
 	// Some mushrooms as source of food.
-	Mushroom->Place(30 + Random(10));
+	Mushroom->Place(22 + Random(8));
 	
 	// Some objects in the earth.	
 	PlaceObjects(Rock, 10 + 10 * map_size + Random(10),"Earth");
diff --git a/planet/Worlds.ocf/Krakatoa.ocs/Script.c b/planet/Worlds.ocf/Krakatoa.ocs/Script.c
index cb3310ef7..08de75972 100644
--- a/planet/Worlds.ocf/Krakatoa.ocs/Script.c
+++ b/planet/Worlds.ocf/Krakatoa.ocs/Script.c
@@ -155,11 +155,9 @@ private func InitVegetation(int map_size)
 			veg->SetR(RandomX(-20, 20));
 	}
 	// Some mushrooms as source of food.
-	for (var i = 0; i < 30 + Random(5); i++)
-		PlaceVegetation(Mushroom, 0, 0, wdt, hgt);
+	Mushroom->Place(22 + Random(8));
 	// Some ferns, to be burned soon.
-	for (var i = 0; i < 25 + Random(5); i++)
-		PlaceVegetation(Fern, 0, 0, wdt, hgt);
+	Fern->Place(25 + Random(5));
 	// Branches as a nice additional source of wood.
 	Branch->Place(30 + Random(8));
 	// Some objects in the earth.