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Federal Noxious Weed TDA Noxious Weed TPWD Prohibited Exotic Species Invasive Plant Atlas of the USNOTE:
means species is on that list.
Myagrum perfoliatum
Bird's eye-cress
Synonym(s): muskweed, dog mustard, mite cress, mitre cress,
cameline, Hohldotter, haldadra
Family: Brassicaceae- mustard family
Duration and Habit: Annual Herb
Photographer: Richard K. Murphy
Source: iNaturalist.org
Description
Myagrum perfoliatum is an annual herb that can grow up to 1 m. tall. The leaves are broad, giving them the distinct look of clubs, and they form rosettes that can reach 45 cm in diameter. The leaves are waxy, blue-green and hairless, and the leaves do not have leaf stems (petioles). They are clasping leaves. The stems are erect, blue-green, waxy and very branched. Flowers are pale yellow, 2-4 mm in diameter with four petals. The flowers are clustered. Pods are hard, wedge shaped 5-7 mm long and 4-5 mm wide.
Native Lookalikes: Currently no information available here yet, or there are no native Texas species that could be confused with Bird's eye-cress.
Ecological Threat: Myagrum perfoliatum considered a serious weed of broadleaf crops such as chickpeas, canola, lupins, faba beans, field peas and lentils. Bird’s eye cress is considered a potential seed contaminant. It can create blockages during harvest. It competes with agricultural crops, reducing crop yields up to 50%.
Biology & Spread: Bird’s eye cress thrives on alkaline clay soils, and spreads rapidly through productive agricultural lands. It can compete strongly with crops because of the rosette base. Seeds are thought to last up to 10 years in the soil. Heavily-infested paddocks can have up to 3000 seeds per square meter.
History:
U.S. Habitat: Grows best on alkaline clay soils and often found in agricultural areas.
Distribution
U.S. Nativity: Introduced to continental U.S.
Native Origin: Asia: Western Asia, Caucasus, and Indian Subcontinent. Europe: Middle Europe, East Europe, Southeastern Europe, and Southwestern Europe
U.S. Present: OK, OH, TX
Distribution in Texas: Limited reports in North Texas.
Mapping
Invaders of Texas Map: Myagrum perfoliatum
EDDMapS: Myagrum perfoliatum
USDA Plants Texas County Map: Myagrum perfoliatum
Invaders of Texas Observations
List All Observations of Myagrum perfoliatum reported by Citizen Scientists
Native Alternatives
The rosette leaves can have Myagrum perfoliatum resemble Rapistrum rugosum (bastard cabbage), Sonchus oleraceus, Lactuca serriola, Lactuca saligna
Management
Since Bird’s eye cress is tolerant to many commonly-used herbicides, control in agricultural crops is difficult. Also, the plant undergoes germination from April - October so seeds re-establish pre or post emergent herbicide treatment.
USE PESTICIDES WISELY: ALWAYS READ THE ENTIRE PESTICIDE LABEL CAREFULLY, FOLLOW ALL MIXING AND APPLICATION INSTRUCTIONS AND WEAR ALL RECOMMENDED PERSONAL PROTECTIVE GEAR AND CLOTHING. CONTACT YOUR STATE DEPARTMENT OF AGRICULTURE FOR ANY ADDITIONAL PESTICIDE USE REQUIREMENTS, RESTRICTIONS OR RECOMMENDATIONS. MENTION OF PESTICIDE PRODUCTS ON THIS WEB SITE DOES NOT CONSTITUTE ENDORSEMENT OF ANY MATERIAL.Text References
Online Resources
http://plants.usda.gov/core/profile?symbol=MYPE
www.dpi.nsw.gov.au/__data/assets/pdf_file/0005/156641/muskweed-alert.pdf
Search Online
Google Search: Myagrum perfoliatum
Google Images: Myagrum perfoliatum
NatureServe Explorer: Myagrum perfoliatum
USDA Plants: Myagrum perfoliatum
Invasive Plant Atlas of the United States: Myagrum perfoliatum
Bugwood Network Images: Myagrum perfoliatum
