diff --git a/Memory.xml b/Memory.xml
index b689bc2ab..9ad8a89c5 100644
--- a/Memory.xml
+++ b/Memory.xml
@@ -3075,6 +3075,9 @@
                     </Group>
                 </Group>
             </Group>
+            <Group name="Vegetation">
+                <Address name="vector" value="0x940bd70" />
+            </Group>
         </Offsets>
     </Version>
 </DFHack>
diff --git a/library/include/dfhack/modules/Vegetation.h b/library/include/dfhack/modules/Vegetation.h
index 128294e52..9984d7cf2 100644
--- a/library/include/dfhack/modules/Vegetation.h
+++ b/library/include/dfhack/modules/Vegetation.h
@@ -10,13 +10,12 @@
 #include "dfhack/DFModule.h"
 namespace DFHack
 {
-
     /**
      * \ingroup grp_vegetation
      */
     struct t_tree
     {
-        // +0x6C
+        // +0x3C
         #pragma pack(push, 1)
         union
         {
@@ -29,10 +28,18 @@ namespace DFHack
             };
         };
         #pragma pack(pop)
-        uint16_t material; // +0x6E
-        uint16_t x; // +0x70
-        uint16_t y; // +0x72
-        uint16_t z; // +0x74
+        uint16_t material; // +0x3E
+        uint16_t x; // +0x40
+        uint16_t y; // +0x42
+        uint16_t z; // +0x44
+        uint16_t padding; // +0x46
+        uint32_t unknown_1; // +0x48
+        uint16_t temperature_1; // +0x4C
+        uint16_t temperature_2; // +0x4E - maybe fraction?
+        uint32_t mystery_flag; // 0x50: yes, just one
+        uint32_t unknown_2; // 0x54
+        uint32_t unknown_3; // 0x58
+        // a vector is here
         uint32_t address;
     };
 
diff --git a/tools/examples/treedump.cpp b/tools/examples/treedump.cpp
index 2b96e6f93..f75aa39f9 100644
--- a/tools/examples/treedump.cpp
+++ b/tools/examples/treedump.cpp
@@ -11,7 +11,21 @@ using namespace std;
 
 #define DFHACK_WANT_MISCUTILS
 #include <DFHack.h>
-
+/*
+        uint16_t material; // +0x3E
+        uint16_t x; // +0x40
+        uint16_t y; // +0x42
+        uint16_t z; // +0x44
+        uint16_t padding; // +0x46
+        uint32_t unknown_1; // +0x48
+        uint16_t temperature_1; // +0x4C
+        uint16_t temperature_2; // +0x4E - maybe fraction?
+        uint32_t mystery_flag; // 0x50: yes, just one
+        uint32_t unknown_2; // 0x54
+        uint32_t unknown_3; // 0x58
+        // a vector is here
+        uint32_t address;
+        */
 void print_tree( DFHack::Context * DF , DFHack::t_tree & tree)
 {
     DFHack::Materials * mat = DF->getMaterials();
@@ -31,6 +45,12 @@ void print_tree( DFHack::Context * DF , DFHack::t_tree & tree)
         cout << "shrub";
     }
     cout << endl;
+    printf("unknown_1: 0x%08x\n", tree.unknown_1);
+    printf("temperature_1: %d\n", tree.temperature_1);
+    printf("temperature_2: %d\n", tree.temperature_2);
+    printf("mystery_flag: %d\n", tree.mystery_flag);
+    printf("unknown_2: 0x%08x\n", tree.unknown_2);
+    printf("unknown_3: 0x%08x\n", tree.unknown_3);
     printf("Address: 0x%x\n", tree.address);
     hexdump(DF,tree.address,13*16);
 }
@@ -110,7 +130,7 @@ int main (int numargs, const char ** args)
             v->Read(i,tree);
             if(tree.x == x && tree.y == y && tree.z == z)
             {
-                cout << "----==== Tree at "<< x << "/" << y << "/" << z << " ====----" << endl;
+                cout << "----==== Tree at "<< dec << x << "/" << y << "/" << z << " ====----" << endl;
                 print_tree(DF, tree);
                 break;
             }