Below you can find the compendium of useful items for Little Hollow.

Breeding Items
Basic Breeding Items:
Puffball
Base breeding item.
Allows two villagers to breed together.
Bolete
Base breeding item.
Allows two villagers to breed together.
Guarantees fraternal twins.
Bird's Nest
Base breeding item.
Allows two villagers to breed together.
Guarantees fraternal triplets.
Add-On Breeding Items:
Inky Cap
Add-on breeding item.
Allows lineart edits to pass provided the parent(s) have one.
Edits passed will be based on artist inspiration.
Splitgill
Add-on breeding item.
Allows a custom item of choice on the offspring.
Item can be chosen or artist inspiration.
Toadstool
Add-on breeding item.
Allows a templated accessory of choice on the offspring.
Item can be chosen or artist inspiration.
Oyster
Add-on breeding item.
Guarantees choice of species between different parents.
Vouchers
Sunflower Seed
A form of currency used in Little Hollow.
Seeds are usable at Beau's Bazaar.
Oak Leaf
Voucher for an inspiration or semi-custom villager.
Maple Leaf
Voucher for a full custom villager.
(minor edits such as custom items)
Golden Maple Leaf
Voucher for a full custom villager.
(complex edits and cosplays)
Red Rose Petal
Voucher for a Tier I prize at Beau's Bazaar.
Yellow Rose Petal
Voucher for a Tier II prize at Beau's Bazaar.
White Rose Petal
Voucher for a Tier III prize at Beau's Bazaar.