Thanks to IDW, we've been shown several new sets of Elements across the lands beyond Equestria!

So far we have:

Farasi; Elements of History (Zecora's Homeland)

Caninia: Elements of Family (Diamond Dog Kingdom)

Abyssinia: Elements of Purpose (Capper's Homeland)

Ornithia: Elements of Love (Captain Celaeno's Homeland)

oooh so in the comics they have it other lands have the elements and tree of harmony of well? Perhaps saplings of the original? I always wondered if other lands would have something similar. NIce see diamond dogs expanded upon more. I wonder if dragon lands has one

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No, it looks like there's just the five trees.

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Perhaps saplings of the original?

Not exactly, according to the lore drop in issue 100:

Long ago, on the island kingdom of Cunabula lived two royal families with three siblings each—the original six Knights of Harmony. Believing the outside world to be chaotic, the Knights traveled across the world to bring harmony to other creatures and lands. They each brought a Tree of Harmony to Farasi, Caninia, Abyssinia, and Ornithia.

How Equestria got one remains to be explained.

I wonder if dragon lands has one

The Dragons have Smolder as one of the Equestrian Elements.