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)
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
Twitter (X)
Bluesky
LinkedIn
MBP iNaturalist Project
Flickr MBP Group
MBP Google Group
Help
About Records
FAQ
MBP iNaturalist FAQs
How to Contribute
Contact
Donate
Giant Knotweed
Reynoutria
sachalinense
(F. Schmidt ex Maximowicz) Nakai
Copy link
Giant Knotweed: https://marylandbiodiversity.com/species/3557
Synonyms
Fallopia sachalinensis
Polygonum sachalinensis
Reynoutria sachalinensis
Tags
Non-native
Invasive
Kingdom Plantae
Division Plantae
Class Magnoliopsida
Order Caryophyllales
Family Polygonaceae
Genus Reynoutria
View Taxonomy
Kingdom Plantae
Division Plantae
Class Magnoliopsida
Order Caryophyllales
Family Polygonaceae
Genus Reynoutria
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
1959
1980
2010
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2010
1980
1959
Filter by Tag
- - -
Flowers
No Flowers or Fruits
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