My map also uses a variety of custom resources and consumables which will be added over time to this discussion. You will need these files if you want to make your stack mod compatible with mine: https://drive.google.com/file/d/1cX_aP9opY8xpKE2nrgFvZbPLwKMm2fG6/view?usp=sharing

Item Descriptions
Angelberry: Acquired from harvesting bushes, improves movement speed, can be used to substitute Citronal in recipes.
Crabnut: Acquired from harvesting trees, improves visibility underwater, can be used to substitute Savoroot in recipes.
Curlbean: Acquired from harvesting trees, improves stamina regeneration, can be used to substitute Rockarrot in recipes.
Spinefruit: Acquired from harvesting bushes, improves health regeneration, can be used to substitute Longrass in recipes.

Caeruleweed: Seaweed variant of Azulberry.
Celerweed: Seaweed variant of Stimberry.
Flavoweed: Seaweed variant of Amarberry.
Magnaweed: Seaweed variant of Mejoberry.
Somniweed: Seaweed variant of Narcoberry.
Vinuweed: Seaweed variant of Tintoberry.

Sea Scales: Acquired only from Fish-type creatures, can substitute Hide, required for Scaled Armor.
Seashells: Acquired only from beaches, molluscs and shallow water, can substitute Chitin.

Coral: Acquired from reefs, can be harvested with a pick or hatchet, inflicts damage if punched.
Limestone: Acquired from harvesting rocks in the ocean or in coral reefs, can be used as Stone.
Volcanic Ore: Acquired from volcanic biomes, can be refined like scrap metal (1 Ingot per Ore)

Kelp: Can be harvested by a Coral Knife, Metal Sickle, or Thalassocnus, herbivore equivalent to Mutton, low stack size, medium weight, spoils over time.
Reeds: Can be harvested by a Coral Knife, Metal Sickle, or Thalassocnus, can substitute Thatch.
Seagrass: Acquired from harvesting Kelp, can substitute Fiber, high stack size, low weight, spoils over time.