Dandelion flowers (Taraxacum officinale) 
Dandelion flowers (Taraxacum officinale), a very common perennial plant of the Asteraceae family.
Characteristics
- Its yellow flower heads open in the morning and close in the evening.
- It flowers mainly in spring, in meadows, gardens and along paths.
- In biodynamics it is the basis of preparation 506, encased in bovine mesentery.
Role in the preparation: The flowers are picked in the morning before fully open, dried and used as the recipe states.
Caution: The white latex in the stems can irritate skin; pick away from roads and sprayed areas.
Sources: Taraxacum officinale - Wikipedia · Biodynamic agriculture - Wikipedia
Documentary information: this is neither a recommendation for use nor a plant-protection or veterinary claim. Check your country's regulations before any use.