Spiked Water-milfoil
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 805
Alternate Water-milfoil
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 646
Parrot feather watermilfoil
- Group
- Flowering plants
- Peak month
- September
- Records since 2000
- 449
Whorled Water-milfoil
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 142