Shepherd's purse can carry clubroot and chickweed can pass on cucumber mosaic virus.
From the guardian.co.uk
Thayer plucks some shepherd's purse, which is in the mustard family.
From the npr.org
For example shepherd's purse can carry clubfoot.
From the guardian.co.uk
Also watch out for shepherd's purse and chickweed.
From the guardian.co.uk
Herbs such as gravel root, stone root, shepherd's purse, plantain and marshmallow are said to help dissolve stones, making future surgeries unnecessary.
From the washingtonpost.com
Purslane, spurge, lamb's-quarters, shepherd's purse, redroot pigweed, common ragweed, nightshade, yellow mustard and crabgrass are examples of common annual weeds.
From the newsobserver.com
Annual and biennial weeds such as chickweed, annual meadow grass, shepherd's purse, groundsel, fat hen, cleaver, speedwell and hairy bittercresspropagate themselves by seeding.