Introduction:

ArborFirmaCraft set out to solve two gripes I had with TerraFirmaCraft—that despite the plethora of woods added by the mod, most of the vanilla wood colors were unobtainable, and that of the nineteen tree species added, most are found only in the temperate climates—about five of these nineteen trees cannot be found naturally in the United States, depending on how you count. Of course, these problems provide something of a natural solution to each other.

1.21 Feature List:

Some Trees bloom in the spring
Yellow Ipe
Flame of the Forest
Red Silk Cotton
Giant Rosewood
Tree tapping for syrup and rubber
Larger Old Growth Trees
Made of special log variants that drop less wood to preserve some balance
Tree Species: In ArborFirmaCraft, multiple tree species may share one wood type: for instance, there are five species of pine, Boreal Pine, Stone Pine, Red Pine, Huangshan Pine, and Tamarack, all with unique leaves, saplings, and tree shapes, but that all drop pine logs. See the list below for all wood types and species added.
14 new wood types used by 33 new tree species:
Araucaria (Color matches Vanilla Pale Oak)
- Monkey Puzzle Tree/Pewen
- Kauri
- Columnar Araucaria
- Parana Pine
Beech (Brown color)
- Common Beech
- Black Beech
- Rauli Beech
- Chinquapin
Ginkgo (Teal color)
Blue Mahoe (Blue color)
Eucalyptus (Color matches Vanilla birch)
- Blue Gum
- Mountain Ash
- Rainbow Eucalyptus
Mahogany (Color matches Vanilla mangrove in 1.18, made more purplish in 1.20)
- Small Leaf Mahogany
- Big Leaf Mahogany
- Sapele Mahogany
Baobab (Color matches Vanilla acacia)
Hevea (Color matches Classic TFC white elm)
Tualang (Blue-grey)
Teak (Color matches Vanilla jungle)
- True Teak
- Iroko Teak
- Flame of the Forest
Cypress (Color matches Vanilla spruce)
- Slender Cypress
- Weeping Cypress
- Bald Cypress
- Redcedar
- Juniper
Fig (Color matches Vanilla cherry blossom)
- Rusty Fig
- Rubber Fig
- Ipe
Yellow Ipe
Ironwood
- King Ironwood
- Lebombo Ironwood
- Horsetail Ironwood
40+ new tree species using TFC wood types, including re-works of existing trees
Acacia
- Umbrella Thorn Acacia
- Gum Arabic
- Acacia Koa
Aspen
- Quaking Aspen
- Poplar
Birch
- Paper Birch
- Blackwood
Chestnut
- Giant Chestnut (American Chestnut)
- Hardy Chestnut (Chinese Chestnut)
Blackwood
- Mulga Blackwood
- Mpingo Blackwood
Fir
- Douglas Fir
- Mountain Fir
- Balsam Fir
- Hickory
Bitternut Hickory
Scrub Hickory
Kapok
- Kapok
- Red Silk Cotton
- Maple
Sugar Maple
Weeping Maple
Bigleaf Maple
Oak
- Pin Oak
- Black Oak
- Live Oak
Pine
- Boreal Pine
- Stone Pine
- Red Pine
- Tamarack
- Huanghan Pine
Palm
- Queen Palm
- Jaggery Palm
Rosewood
- Shisham Rosewood
- Jacaranda
- Sequoia
Sequoia
- Coast Redwood
- Dawn Redwood
Spruce
- Blue Spruce
- Coast Spruce
- Sitka Spruce
- Black Spruce
- Cedar
White Cedar
Atlas Cedar
Willow
- Corkscrew Willow
- Weeping Willow

1.20 Feature List:

Biome-based forests
Three forest types, "Swamp", "Normal", and "Alpine"
Different tree species are restricted to different forest types
Some Trees bloom in the spring
Yellow Ipe
Flame of the Forest
Red Silk Cotton
Giant Rosewood
Tree tapping for syrup and rubber
Larger Old Growth Trees
Made of special log variants that drop less wood to preserve some balance
Tree Species: In ArborFirmaCraft, multiple tree species may share one wood type: for instance, there are four species of pine, Boreal Pine, Stone Pine, Red Pine, and Tamarack, all with unique leaves, saplings, and tree shapes, but that all drop pine logs. See the list below for all wood types and species added.

10 new wood types used by 22 new tree species:
Eucalyptus (Color matches Vanilla birch)
- Blue Gum
- Mountain Ash
- Rainbow Eucalyptus
Mahogany (Color matches Vanilla mangrove in 1.18, made more purplish in 1.20)
- Small Leaf Mahogany
- Big Leaf Mahogany
- Sapele Mahogany
Baobab (Color matches Vanilla acacia)
Hevea (Color matches Classic TFC white elm)
Tualang (Blue-grey)
Teak (Color matches Vanilla jungle)
- True Teak
- Iroko Teak
- Flame of the Forest
Cypress (Color matches Vanilla spruce)
- Slender Cypress
- Weeping Cypress
- Bald Cypress
- Redcedar
Fig (Color matches Vanilla cherry blossom)
- Rusty Fig
- Rubber Fig
- Ipe
Yellow Ipe
Ironwood
- King Ironwood
- Lebombo Ironwood
- Horsetail Ironwood
30+ new tree species using TFC wood types, including re-works of existing trees
Acacia
- Umbrella Thorn Acacia
- Gum Arabic
- Acacia Koa
Aspen
- Quaking Aspen
- Poplar
Birch
- Paper Birch
- Blackwood
Mulga Blackwood
Mpingo Blackwood
Fir
- Douglas Fir
- Mountain Fir
- Balsam Fir
- Hickory
Bitternut Hickory
Scrub Hickory
Kapok
- Kapok
- Red Silk Cotton
- Maple
Sugar Maple
Weeping Maple
Bigleaf Maple
Oak
- Pin Oak
- Black Oak
- Live Oak
Pine
- Boreal Pine
- Stone Pine
- Red Pine
- Tamarack
- Palm
Queen Palm
Jaggery Palm
Rosewood
- Shisham Rosewood
- Jacaranda
- Sequoia
Sequoia
Coast Redwood
Spruce
- Blue Spruce
- Coast Spruce
- Sitka Spruce
- Black Spruce
- Cedar
White Cedar
Atlas Cedar
Willow
- Corkscrew Willow
- Weeping Willow

1.18 Feature List:

Biome-based forests
Three forest types, "Swamp", "Normal", and "Alpine"
Different tree species are restricted to different forest types
Seasonal colormap changes
Different tree species use different autumn color maps
No trees that lose their leaves generate in the tropics
Some trees bloom in the spring
Tree tapping for syrup and rubber
"Ancient" logs and wood blocks
Used in old growth tree structures, and have a reduced log drop rate
Separates tree types from wood types, allowing for multiple species of tree to share the same wood color, but use different shapes, and sometimes different bark textures. Examples below
8 new wood types used by 16 new tree species:
Eucalyptus (Vanilla birch)
- Blue Gum
- Mountain Ash
- Rainbow Eucalyptus
Mahogany (Vanilla mangrove in 1.18, purplish in 1.20)
- Small Leaf Mahogany
- Big Leaf Mahogany
- Sapele Mahogany
Baobab (Vanilla acacia)
Hevea (Classic TFC white elm)
Tualang (Light grey-blue)
Teak (Vanilla jungle)
Cypress (Vanilla spruce)
- Slender Cypress
- Weeping Cypress
- Bald Cypress
- Redcedar
Fig (Vanilla cherry blossom)
- Rusty Fig
- Rubber Fig
30+ new tree species using TFC wood types, including re-works of existing trees
Acacia
- Umbrella Thorn Acacia
- Gum Arabic
- Acacia Koa
- Ash
Black Ash
Evergreen Ash
Aspen
- Quaking Aspen
Birch
- Paper Birch
- Blackwood
Mulga Blackwood
Mpingo Blackwood
Fir
- Douglas Fir
- Mountain Fir
- Balsam Fir
- Hickory
Bitternut Hickory
Scrub Hickory
Kapok
- Kapok
- Red Silk Cotton
- Maple
Sugar Maple
Weeping Maple
Bigleaf Maple
Oak
- Pin Oak
- Black Oak
- Live Oak
Pine
- Boreal Pine
- Stone Pine
- Red Pine
- Tamarack
Rosewood
- Shisham Rosewood
- Jacaranda
- Sequoia
Sequoia
Coast Redwood
Spruce
- Blue Spruce
- Coast Spruce
- Sitka Spruce
- Black Spruce
- Cedar
White Cedar
Atlas Cedar
Willow
- Corkscrew Willow
- Weeping Willow

Github:

https://github.com/Therighthon/ArborFirmaCraft