Tilia - Wikipedia
SelecTree: A Tree Selection Guide
Tilia oliveri - Wikipedia
Tilia × europaea - Wikipedia
Tilia cordata subsp. sibirica - Wikispecies
Tilia - Wikipedia
File:Tilia petiolaris JPG1Aa.jpg - Wikipedia
Tilia cordata - Wikipedia
Tilia mongolica - Wikiwand
Tilia tomentosa - Wikispecies