Effects of the storage conditions on the stability of natural and synthetic cannabis in biological matrices for forensic toxicology analysis: An update from the literature

Coneflower is a common name of several genera of flowering plants:

In the family Asteraceae

• Dracopis
• Echinacea
• Rudbeckia
• Ratibida

In the family Proteaceae

• Isopogon

• Cornflower