plants at this project!
Centaurea solstitialis, yellow star-thistle, is a member of the family Asteraceae, native to the Mediterranean Basin region. The plant is also known as golden starthistle, yellow cockspur and St. Barnaby's thistle (or Barnaby thistle) The plant is a thorny winter annual species in the knapweed genus.
Centaurea melitensis (called Maltese star-thistle in Europe, tocalote or tocolote in western North America) is an annual plant of the Asteraceae, 1 to 11 decimetres (4 to 43 in) high, with resin-dotted leaves and spine-tipped phyllaries. This plant is native to the Mediterranean region of Europe and Africa. It was introduced to North America in the 18th ...more ↓