Before I tell you what they are I just put this little referrence guild or somethin' here.
Fish= any fish
fruits= orange, banana, peach, grape, apple, watermelon, melon, strawberry, all 2nd generation trees
wild plants= mugworts, royal fern, bracken, sorrel
mushrooms= hackberry, trumpets, matsutake,
root vegies= carrot, sweet potato, potato, turnips, all special root vegies
special produce= gretoma, melotoma, trady, tomaca, berrytoma, raury, cabber, dhilon, camelo, dyibe, kyaberi
special root vegies= yamato, tobatama, kandy, cady, radita, kanro, bashota, tataro
special fruits=all 2nd generation trees, melober, kashry, berryber, bashber, sholo, beriro, potamelo, berryto, paberita