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 Introduced, Invasive, and Noxious Plants
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Introduced, Invasive, and Noxious Plants

NRCS Invasive Species Policy
Invasive Species Executive Order 13112

Maryland State-listed Noxious Weeds
6 records returned

Click on an accepted name below to view its PLANTS Profile with more information, and web links if available. Noxious weeds that are synonyms retain their noxious status, and are indented beneath the current PLANTS accepted name.

Annotated Code of Maryland. 1994. Weed control (20 October 2003). State of Maryland.

Symbol Scientific Name Noxious Common Name State Noxious Status Native Status*
CAAC Carduus acanthoides L. plumeless thistle NW L48 (I), CAN (I)
CANU4 Carduus nutans L. musk thistle, nodding thistle NW L48 (I), CAN (I)
CIAR4 Cirsium arvense (L.) Scop. Canada thistle NW L48 (I), AK (I), CAN (I), GL (I), SPM (I)
CIVU Cirsium vulgare (Savi) Ten. bull thistle NW L48 (I), AK (I), HI (I), CAN (I), SPM (I)
SOBI2 Sorghum bicolor (L.) Moench shatter cane, wild cane NW (I), L48 (I), HI (I), PR (I), VI (I), CAN (I)
SOHA Sorghum halepense (L.) Pers. johnsongrass NW (I), L48 (I), HI (I), PR (I), CAN (I)


†CodeNoxious Status
NW Noxious weed

*CodeNative Status
I Introduced

*CodeNative Status Jursdiction
L48 Lower 48 States
AK Alaska
HI Hawaii
PR Puerto Rico
VI Virgin Islands
CAN Canada
GL Greenland
SPM St. Pierre and Miquelon

Additional information about noxious plants in this state can be found at:


Time Generated: 11/26/2015 07:13 AM MST