These particular outgrowths are in Maine, but the concept carries: deep, unseen roots, wide branchings.
Consider again Roma roots. The similarity between Roma languages and languages in India is known. That suggests, of course, cultural origins. Now that connection has been buttressed as to a more precise location within India with a genome study by many contributors, see New York Times at Genomic Study Traces Roma to Northern India
Effect of outlawing nomadism.
As you read the article, however, cringe at the treatment of the nomadic tradition of many Roma: "The marginalized group is still nomadic, often building illegal camps." Illegal camps? Outlaw camp designation?
Make room for nomads. Why not make room for people to be nomadic in the first place, safe havens for encampments along the way, free of snide illegal-sniffing NYT reporters. It is as though "illegal" -- once some law is passed -- ends the discussion of who has worth and who does not, whose practices have cohesive, deeply rewarding cultural roots, and which are not worth examining.