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- Pterospora andromedea, Pine-drops
- Parietaria pensylvanica, Pellitory
- Polygonatum biflorum, Smooth Solomon's Seal
- Polygonatum pubescens, Hairy Solomon's Seal
- Platanthera lacera, Ragged Fringed Orchid
- Platanthera clavellata, Green Woodland Orchid
- Platanthera flava, Tubercled Orchid
- Platanthera aquilonis, Tall Northern Bog-orchid
- Platanthera hookeri, Hooker's Orchid
- Peltandra virginica, Arrow-arum
- Potamogeton crispus, Curly Pondweed
- Potamogeton natans, Floating Pondweed
- Potamogeton diversifolius, Common Snailseed Pondweed
- Potamogeton epihydrus, Ribbon-leaved Pondweed
- Potamogeton gramineus, Variable Pondweed
- Proserpinaca palustris, Common Mermaid-weed
- Proserpinaca palustris, Coastal Plain Mermaid-weed
- Potentilla indica, Mock Strawberry
- Phlox divaricata, Wild Blue Phlox
Read more about this topic: List Of Michigan Flowers