1. Fear of entanglement (going “too deep” in relationships or commitments).
2. Mystery or fear about future.
Dreams of kelp signify a tangled relationships that you are feeling stuck and unable to leave. Sea kelp is also a protein that can be nutritious for your hair and skin, representing the fact that sometimes relationships that appear to be undesirable on the surface are helping you to sort out important soul lessons beneath the surface. See Weed.
The dream symbol you are looking for is absolutely there, try searching the symbol one by one.