Home
Checklist
Sites
Blog
Explore
Maryland Quad Map
Maryland Species Richness Map
Top 100 Contributors by Species
Top 100 Contributors by Records
Recent Discoveries (this month)
Almost Closed Out Report
MBP Data Processing Stats
Recently Added Photos List
More
About
MBP Brochure
Dedication
Editors
Community
Partners
Resources
Bibliography
iNaturalist Integration Summary
Maryland Plant Atlas
MD/DCRC Resources
eBird
Connect With MBP
Facebook
Instagram
Bluesky
LinkedIn
MBP iNaturalist Project
Flickr MBP Group
MBP Google Group
Help
About Records
FAQ
MBP iNaturalist FAQs
How to Contribute
Contact
Donate
Two-leaved Watermilfoil
Myriophyllum heterophyllum
Michaux
Copy link
Two-leaved Watermilfoil: https://www.marylandbiodiversity.org/species/2440
Synonyms
Broadleaf Water-milfoil
Tags
S1 (Highly state rare)
Kingdom Plantae
Division Tracheophyta
Class Magnoliopsida
Order Haloragales
Family Haloragaceae
Genus Myriophyllum
View Taxonomy
Kingdom Plantae
Division Tracheophyta
Class Magnoliopsida
Order Haloragales
Family Haloragaceae
Genus Myriophyllum
Seasonality
About Taxon
Thumbnails
Maps
Seasonality
Seasonality
History
Time of the year
Entire Year (Jan - Dec)
Spring (Mar - May)
Summer (Jun - Jul)
Fall (Aug - Nov)
Winter (Dec - Feb)
Range of years
1867
1906
1969
2019
2021
2022
2023
2024
2025
2025
2024
2023
2022
2021
2019
1969
1906
1867
Filter by Tag
- - -
Flowers
Green Leaves
Update
Reset
Total
Records
by Month
for Jan - Dec from 2019 - 2020
Source: Maryland Biodiversity Project database
Total
Records
by Year
Source: Maryland Biodiversity Project database