DPR for Circle of Spores Druid with Symbiotic Entity

[Merudo]

I wanted to analysis the DPR of the Circle of Spores Druid, so I came up with a rough calculation.

I assume that the Druid's ability always hit but never crit, a Wisdom of 18, & Shillelagh pre-casted.

RE: Regular Druid attacking with Shillelagh
PS : Primal Savagery
SE: Symbiotic Entity + Halo of Spores + Shillelagh
PAM: Polearm Mastery

Level 2:

RE: 8.5 damage
PS: 5.5 damage
SE: 17 damage
SE + PAM: 27 damage

Level 6:

RE: 8.5 damage
PS: 11 damage
SE: 19 damage
SE + PAM: 31 damage

Level 11:

RE: 8.5 damage
PS: 16.5 damage
SE: 21 damage
SE + PAM: 35 damage