Horse thistle - Onopordum acaulon

Effective: May 13, 2015
Resources: Pest Tracker
Taxonomic Position: Asterales : Asteraceae
Pest Type: Plants
Pest Code (NAPIS): PBFCNDA
No manual – See Host Matrix
These Approved Methods are appropriate for: 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015
Pest is vectored by:
Survey
Approved Method(s):
Signs:
Key Diagnostics
Approved Method(s):

Mistaken Identities: