Wikipedia
Physitheism
Physitheism is the worship of nature and the assignment of gods to natural phenomena, or the attribution of physical form to gods and religious beings.
Usage examples of "physitheism".
The third stage is that of physitheism, in which the agencies of nature are personified and exalted unto omnipotence.
On the whole, it seems just to assign the Siouan mythology to the upper strata of zootheism, just verging on physitheism, with vestigial traces of hecastotheism.