D I S C O V E R    L I F E   
Bee Hunt! Odonata Lepidoptera 
  HomeAll Living ThingsIDnature guidesGlobal mapperAlbumsLabelsSearch
  AboutNewsEventsResearchEducationProjectsStudy sitesHelp

Galeopsis tetrahit L.
Brittlestem hempnettle; Red Hemp Nettle, Dog Nettle, Bee Nettle, Wild hemp, Bastard Hemp, Stinging Nettle, Blind Nettle, Nettle-Wild, Hemp Dead Nettle, Flowering Nettle, Ironweed

Life   Plantae   Dicotyledoneae   Lamiaceae   Galeopsis

Galeopsis tetrahit
© Les Mehrhoff, 2008-2010 · 3
Galeopsis tetrahit

Click on map for details about points.

80x5 - 240x3 - 240x4 - 320x1 - 320x2 - 320x3 - 640x1 - 640x2
Set display option above.
Click on images to enlarge.
Galeopsis tetrahit
© Les Mehrhoff, 2008-2010 · 3
Galeopsis tetrahit
Galeopsis tetrahit
© Copyright Malcolm Storey 2011-2118 · 3
Galeopsis tetrahit

Galeopsis tetrahit
© Les Mehrhoff, 2008-2010 · 2
Galeopsis tetrahit
Galeopsis tetrahit, seed
© Copyright Seeds USID 2015 · 1
Galeopsis tetrahit, seed

Galeopsis tetrahit, seed
© Copyright Seeds USID 2015 · 1
Galeopsis tetrahit, seed

Associates · map
FamilyScientific name @ source (records)
Agaricaceae  Phoma galeopsidis @ BPI (2)

Phoma nebulosa @ BPI (1)
Dermateaceae  Pyrenopeziza nigrella @ BPI (9)
Diaporthaceae  Phomopsis piceae @ BPI (1)
Erysiphaceae  Erysiphe galeopsidis @ BPI (40)

Erysiphe lamprocarpa @ BPI (3)

Oidium erysiphoides @ BPI (1)
Helotiaceae  Cyathicula cyathoidea @ BPI (1)
Lophiostomataceae  Lophiotrema vagabundum @ BPI (1)
Mycosphaerellaceae  Ramularia galeopsidis @ BPI (1)

Rhabdospora galeopsidis @ BPI (6)

Septoria cotylea @ BPI (4)

Septoria galeopsidis @ BPI (41)
Phaeosphaeriaceae  Leptosphaeria doliolum @ BPI (2)
Pucciniaceae  Puccinia menthae @ BPI (1)
Sclerotiniaceae  Botrytis cinerea @ 412438A (1); 412438B (1)
Synchytriaceae  Synchytrium aureum @ BPI (1)
Tricholomataceae  Helotium scutula @ BPI (1)
Typhulaceae  Sclerotium durum @ BPI (1)
Valsaceae  Asteroma fuckelii @ BPI (1)
_  Ascochyta galeopsidis @ 371497A (1); 371497B (1)

Phialea cyathoidea @ BPI (1)

go to Discover Life's Facebook group

Following modified from USID_Seeds
   Top | See original

&pull 20q v5.145 20180528: Error 500 Can't connect to pick18.pick.uga.edu:80 http://pick18.pick.uga.edu/mp/20p?see=I_USID354&res=320

Following modified from Plants Database, United States Department of Agriculture
   Top | See original

http://plants.usda.gov/java/profile?symbol=GATE2 ---> https://plants.usda.gov/java/profile?symbol=GATE2
https://plants.usda.gov/java/profile?symbol=GATE2 ---> http://plants.usda.gov/core/profile?symbol=GATE2
http://plants.usda.gov/core/profile?symbol=GATE2 ---> https://plants.usda.gov/core/profile?symbol=GATE2
Link: Skip repetitive navigation links
USDA and NRCS Identifier NRCS Logo
USDA.gov Web Site PLANTS photo banner
PLANTS Home  about PLANTS  PLANTS Team  Partners of PLANTS  What  National Plant Data Team Web Site  Help using PLANTS  Contact PLANTS
 Search the PLANTS Web site
 Name Search

 State Search
 Advanced Search
 Search Help
 Alternative Crops
 Cover Crops
 Culturally Significant
 Distribution Update
 Fact Sheets & Plant Guides
 Introduced, Invasive, and Noxious Plants
 Threatened & Endangered
 Wetland Indicator Status
PLANTS Image Gallery
 50,000+ Plant Images
Download PLANTS data
 Complete PLANTS Checklist
 State PLANTS Checklist
 Advanced Search Download
 Symbols for Unknown Plants
 NRCS State GSAT Lists
 NRCS State Plants Lists
Related tools
 Crop Nutrient Tool
 Ecological Site Information System
 PLANTS Identification Keys
 Plant Materials Web Site
 Plant Materials Publications
 USDA Plant Hardiness Map
You are here: Home / Plant Profile

Galeopsis tetrahit L.
brittlestem hempnettle

Image of Galeopsis tetrahit

General Information
Symbol: GATE2
Group: Dicot
Family: Lamiaceae
Duration: Annual
Growth Habit : Forb/herb
Native Status : AK   I
L48   I
Data Source and Documentation
About our new maps
Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   


click on a thumbnail to view an image, or see all the Galeopsis thumbnails at the Plants Gallery

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 3: 119. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .




Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Asteridae
Order Lamiales
Family Lamiaceae ⁄ Labiatae – Mint family
Genus Galeopsis L. – hempnettle
Species Galeopsis tetrahit L. – brittlestem hempnettle

Subordinate Taxa

The Plants Database includes the following 2 subspecies of Galeopsis tetrahit . Click below on a thumbnail map or name for subspecies profiles. Plant is native (blue) Native Plant is introduced Introduced Plant is introduced Native and Introduced Related taxa legend Distribution of <i>
Galeopsis tetrahit</i>
L. var. <i>
Galeopsis tetrahit var. arvensis
brittlestem hempnettle Distribution of <i>
Galeopsis tetrahit</i>
L. var. <i>
tetrahit </i>
Galeopsis tetrahit var. tetrahit
brittlestem hempnettle

Legal Status

Noxious Weed Information
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete noxious weed list for that location, or click here for a composite list of all Federal and State Noxious Weeds .
Alaska hempnettle Noxious weed
U.S. Weed Information
Galeopsis tetrahit hempnettle This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S.
STATE Assorted authors. State noxious weed lists for 46 states . State agriculture or natural resource departments.

Wetland Status

Interpreting Wetland Status

North America
Arid West FACU
Atlantic and Gulf Coastal Plain FACU
Eastern Mountains and Piedmont FACU
Great Plains FACU
Midwest FACU
Northcentral & Northeast FACU
Western Mountains, Valleys, and Coast FACU

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (GATE2)
CalPhotos (GATE2)
Integrated Taxonomic Information System (GATE2)
Jepson Interchange (University of California - Berkeley) (GATE2)
Native American Ethnobotany (University of Michigan - Dearborn) (GATE2)
University of Tennessee Herbarium (Distribution) (GATE2)
University of Wisconsin - Stevens Point Freckmann Herbarium (GATE2)
Related Websites
British Columbia Ag. & Food, Crop Protection Program (GATE2)
Canada-Manitoba Weeds (GATE2)



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover

 PLANTS Home | USDA.gov | NRCS | Site Map | Policies and Links
Accessibility Statement | Privacy Policy | Non-Discrimination Statement

Following modified from CalPhotos
   Top | See original

http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Galeopsis+tetrahit&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Galeopsis+tetrahit&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

Contributors       Log In  

Number of matches : 5
Query: SELECT * FROM img WHERE ready=1 and taxon like "Galeopsis tetrahit%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Galeopsis tetrahit
Galeopsis tetrahit
Bristlestem Hempnettle
ID: 0000 0000 0105 1856 [detail]
© 2005 Louis-M. Landry

Galeopsis tetrahit
Galeopsis tetrahit
Bristlestem Hempnettle
ID: 0000 0000 0105 1857 [detail]
© 2005 Louis-M. Landry

Galeopsis tetrahit
Galeopsis tetrahit
Bristlestem Hempnettle
ID: 0000 0000 0105 1858 [detail]
© 2005 Louis-M. Landry

Galeopsis tetrahit
Galeopsis tetrahit
ID: 0000 0000 0506 1971 [detail]
© 2006 Louis-M. Landry

Galeopsis tetrahit
Galeopsis tetrahit
ID: 0000 0000 0506 1972 [detail]
© 2006 Louis-M. Landry

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   

Copyright © 1995-2019 UC Regents. All rights reserved.

CalPhotos is a project of BNHM      University of California, Berkeley

Updated: 2020-02-27 03:01:11 gmt
Discover Life | Top
© Designed by The Polistes Corporation