1) Winter-flowering heather
2) Bleeding Heart
3) Forget-me-not flower
4) Snake’s Head Fritillary
Explanation:
In 2001, May 25 was declared as International Missing Children’s Day (IMCD) due to the efforts of International Centre for Missing and Exploited Children(ICMEC), Missing Children Europe and the European Commission.The forget-me-not flower is the symbol of International Missing Children’s Day.