Here is the full list of all 100 Morels: The Hunt 2 achievements.
You have found a Cookeina Speciosa Mushroom
Congratulations! You have found the Golden Morel in the Tropical Jungle Level
You have photographed a Poison Dart Frog
You have found a Veiled Lady Mushroom
You have found a Leptonia Carnea Mushroom
You have photographed a Lemur
You have achieved Mushroom Hunter level 3
Congratulations! You have found the Golden Morel in the Birch Forest Level
You have achieved Photographer level 2
You have photographed a Turkey
You have photographed an Opossum
Congratulations! You have found the Golden Morel in the Farm Land Level
You have achieved Mushroom Hunter level 2
Congratulations! You have found the Golden Morel in the Mountain Forest Level
Congratulations! You have found the Golden Morel in the Meadow Lands Level
You have found a Lion's Mane Mushroom
You have photographed Mystery Animal 1
You have photographed a Moose
You have found an Amanita Mushroom
You have photographed a Bluebird
You have achieved Photographer level 1
You have found an Orange Pore Mushroom
You have achieved Mushroom Hunter level 1
You have photographed a Box Turtle
You have found a Blewit Mushroom
You have found a Pheasant Back Mushroom
You have found a Puffball Mushroom
You have found a Yellow Amanita Mushroom
You have photographed a Muskox
You have found a Portobello Mushroom
You have found a Porcini Mushroom
You have found a Chicken of the Woods Mushroom
You have completed Weekly Task 1
You have photographed a Woodpecker
You have photographed a Skunk
You have photographed a Hare
You have found a Black Trumpet Mushroom
You have found a Conocybe Filaris Mushroom
You have photographed a Red Squirrel
You have found a Chanterelle Mushroom
You found your first morel mushroom
Great job! You've taken your first photo
You have achieved Mushroom Hunter level 4
You have achieved Mushroom Hunter level 5
You have achieved Mushroom Hunter level 6
You have achieved Mushroom Hunter level 7
You have achieved Mushroom Hunter level 8
You have achieved Mushroom Hunter level 9
You have achieved Mushroom Hunter level 10
You have achieved Photographer level 3
You have achieved Photographer level 4
You have achieved Photographer level 5
You have completed Weekly Task 2
You have completed Weekly Task 3
You have completed Weekly Task 4
You have completed Weekly Task 5
You have completed Weekly Task 6
You have completed Weekly Task 7
You have completed Weekly Task 8
You have completed Weekly Task 9
You have completed Weekly Task 10
You have completed Weekly Task 11
You have completed Weekly Task 12
You have completed Weekly Task 13
You have completed Weekly Task 14
Congratulations! You have found the Golden Morel in the Ocean Islands Level
Congratulations! You have found the Golden Morel in the Lost Caves Level
Congratulations! You have found all the Golden Morels
You have found a Sea Mushroom
You have found a Glow Mushroom
You have collected all robot parts
Congratulations! You have finished a hunting season
You have had a season worthy of a champion
Congratulations! You have photographed all objects
Congratulations! You have photographed all insects
You have photographed Mystery Animal 2
You have photographed Mystery Animal 3
You have photographed Mystery Animal 4
You have photographed Mystery Animal 5
You have photographed Mystery Animal 6
You have photographed Mystery Animal 7
You have photographed a Bat
You have photographed a Brown Bear
You have photographed a Chameleon
You have photographed a Clownfish
You have photographed a Dolphin
You have photographed a Donkey
You have photographed a Golden Eagle
You have photographed a Gorilla
You have photographed a Hedgehog
You have photographed a Hummingbird
You have photographed a Humpback Whale
You have photographed a Mole
You have photographed an Octopus
You have photographed an Oriole
You have photographed a Parrot
You have photographed a Red Deer Calf
You have photographed a Reindeer
You have photographed a Toucan
You have photographed a Rattlesnake