sun
tree + mammal
lightning and fire
Earth+DNA
Wild Animal + Pond
whale and rose
You need to combine a Weasel and Earth
Wild Animal + Pond
To make seaweed in alxemy is DNA + Sunlight. And there's your seaweed.
tadpole also spider n seaweed n moss n shark
salamander + sand = lizard :)
air+seaweed=fern