Stem

  • 0.5-2 ft. tall, highly branched and bushy
Photo of white flower bush
 

Leaves

  • Alternate, finely and deeply divided, up to 2.5 inches long and sometimes hairy
Photo of mayweed chamomile infestation
 

Flower

  • Daisy-like; 0.5-1 in. diameter; yellow center with 10-15 white petals
Photo of mayweed chamomile plant with white flowers
 

Root

  • Short, thick taproot
African Mustard

Other

  • Grows best on disturbed sites; often infests roadsides, waste areas, landscaped areas and crop fields; known to occur in Carson City, Douglas, Lyon and Washoe counties
  • Annual; reproduces by seed 
  • Foliage has a foul odor when crushed; reported to irritate the skin of livestock and change the milk flavor of lactating animals
  • Also known as dog fennel
 

Control

  • Cultivation or mowing prior to seed set can be effective
  • Apply clopyralid, dicamba, metsulfuron, picloram or tribenuron to actively growing plants
Blecker, L., Creech, E., Dick, J., Gephart, S., Hefner, M., Kratsch, H., Moe, A., Schultz, B. 2021, Nevada Noxious Weed Field Guide – Mayweed chamomile, Extension, University of Nevada, Reno, Field Guide

Extension Associated Contacts

 

Also of Interest:

 
Needs Assessment for Noxious Weeds in Churchill County: Part 4 of 5 - Criteria for Herbicide Use and Selection
This fact sheet is the fourth in a series of five that reports the results of a needs assessment survey completed by faculty in University of Nevada Cooperative Extension (UNCE). The survey attempted to identify the major issues related to the management and control of weeds in N...
Davison, J., Powell, P., Schultz, B., and Singletary, L. 2012, University of Nevada Cooperative Extension
Nevada’s Priority Agricultural Weeds: Hoary Cress
Plants commonly referred to as hoary cress (Cardaria sp.), or short whitetop, are one of three different but closely related perennial forbs. The Cardaria species are widespread across all eleven Western states, including every county in Nevada.
B. Schultz, S. Foster 2021, Extension, University of Nevada, Reno, SP-21-03
African mustard plant
Nevada Noxious Weed Field Guide – African mustard
African mustard is a noxious weed that has been identified by the state of Nevada to be harmful to agriculture, the general public, or the environment. Learn more about this weed.
Blecker, L., Creech, E., Dick, J., Gephart, S., Hefner, M., H. Kratsch, Moe, A., Schultz, B. 2020, Extension, University of Nevada, Reno, Field Guide
Photo of common crupina stem
Nevada Noxious Weed Field Guide – Common crupina
Common crupina is a noxious weed that has been identified by the state of Nevada to be harmful to agriculture, the general public, or the environment. Learn more about this weed.
Blecker, L., Creech, E., Dick, J., Gephart, S., Hefner, M., Kratsch, H., Moe, A., Schultz, B. 2020, Extension, University of Nevada, Reno, Field Guide
Photo of Common St. Johnswort plant
Nevada Noxious Weed Field Guide – Common St. Johnswort
Common St. Johnswort is a noxious weed that has been identified by the state of Nevada to be harmful to agriculture, the general public, or the environment. Learn more about this weed.
Blecker, L., Creech, E., Dick, J., Gephart, S., Hefner, M., Kratsch, H., Moe, A., Schultz, B. 2020, Extension, University of Nevada, Reno, Field Guide
 

Associated Programs

Master Gardeners at tabling event

Master Gardeners of Nevada

Program trains local gardeners to provide research-based horticulture information to Nevadans

hands holding freshly picked carrots

Grow Your Own, Nevada!

Learn the secrets of high desert gardening

people learning to identify a tree

Green Industry Training

A workforce development program to train green industry professionals, who receive continuing education units for pesticide applicator, ISA-certified arborist and Qualified Water Efficient Landscaper