diff --git a/core.trees/README.md b/core.trees/README.md
index 1787ef86..f22b7b77 100644
--- a/core.trees/README.md
+++ b/core.trees/README.md
@@ -1,3 +1,56 @@
 # Core Trees
 
-Represents trees in iris
\ No newline at end of file
+Represents trees in iris
+
+## Subtypes
+* Natural; Fully burnable  `N`
+* Semi-Natural; Mostly burnable, or just has odd objects like flowers etc...  `SN`
+* Cosmetic; mainly for looks, ignoring resource values or burnability  `C`
+* OverPowered; Redstone diamond, end rods etc... `OP`
+
+### Big Blossom (3) [SN - Glass, Wool]
+* Large trees with dark oak wood, and multicolored leaves - wool,glass hilights.
+* Very large bois
+
+### Frosted Spruce (25) [SN - Mushrooms]
+* Winter wonderland style xmas trees spruce leaves/wood with a snow overlay (UNIQUE 4 LARGE) Use Interchangeably
+* Iced Variants contain [light_blue_stained_glass_pane] making them (20) [SN]
+* Are moderately medium/smol bois
+
+### Unfrosted Spruce (46) [N]
+* See above, remove snow. (UNIQUE 26 LARGE TO SAPLING VARIANTS) Use Interchangeably
+* baby, med, large and smol bois
+
+### Waterlogged Darkwood (27) [N]
+* low roofed trees with fences (spruce) that drape down. Spruce-Wood, Dark-Oak-Wood / Spruce leaves
+* smol, medium, and large bois
+
+### Frosted Sproak (13) [N]
+* Misture of Oak logs, and Spruce accents/fences
+* medium bois
+
+### Sacred Bonsai (7) [N]
+* Bonsai trees with spruce log, and oak leaves
+* Contains medium, and absurd size trees respectively
+* the "OGabsurd-1" tree is the normal colors (spruce on oak leaves) while absurd-1 is spruce on spruce (not matching the default bonsai trees)
+
+### Birch Ponderosa (50) [N]
+* Birch Ponderosa, generally tall birch trees with birch wood and leaves respectively
+* smol, medium, and large bois
+
+### Oak Ponderosa (50) [N]
+* Oak Ponderosa, generally tall oak trees with oak wood and leaves respectively
+* smol, medium, and large bois
+
+### Palm Paradise (20) [N]
+* Palm trees that you would usually find on the beach... jungle wood / leaves
+* medium bois only. no real reason for size edits
+* 13+ have coco things...
+
+### Redwood Recluse (10) [SN - Mushroom Blocks]
+* The Redwood Recluse trees are big trees that have minimal resources other than wood and dirt. Contains Jungle, and oak wood / Birch leaves
+* large bois
+
+### Roofed Wayward (16) [SN - Buttons]
+* Spruce and Dark oak, intended for a roofed forest, low to the ground and packed together. Creates a roofed feel.
+* medium bois
\ No newline at end of file