Daybell Disappearance

Angie Dodge archive

The issue: Oxalis or yellow woodsorrel (Oxalis stricta) is a weak perennial, native to eastern and central U.S. that is more of a lawn, yard and garden weed, but can invade woodlands, meadows, and field crops as well. It prefers moist soils but tolerates dry soils once established. Oxalis is…

The issue: Common tansy (Tanacetum vulgare), a creeping, spreading perennial from Eurasia, was introduced to the U.S. as an ornamental plant and for medicinal purposes.

The issue: Dyer’s woad (Isatis tinctoria) is a biennial from central Asian and Russia. Historically, it was used to produce a rich blue dye and was introduced to North America in the late 1600s for the same purpose. The plant has successfully invaded rangeland, pastures, cultivated fields an…