Natura Hellenica https://www.facebook.com/groups/Flora.hellenica/
Biodiversity of Hymettus https://www.facebook.com/groups/Ymittos.plants/
The genus Limonium in Greece https://www.facebook.com/groups/limonium/
Flora and fauna of archaeological sites https://www.facebook.com/groups/archaeologicalSitesFlora/

Βιοποικιλότητα του Υμηττού - Biodiversity of Hymettus ( καταγραφή της χλωρίδας του Υμηττού )
https://biodiversityofhymettus.blogspot.com/