Where are Dipsacales plants most commonly distributed around the world?

Plants in the order Dipsacales are distributed worldwide, but they are primarily centered in the Northern Hemisphere.1

Within this order, the two main families exhibit specific regional preferences:

• Adoxaceae: While these plants are found in various habitats, they are primarily located in the north temperate zone, though some species of Viburnum also grow on tropical mountains.1
• Caprifoliaceae: Most species in this family are distributed throughout temperate areas of the Northern Hemisphere. Within its various clades, specific distributions include:1
  • Lonicera clade: Primarily found in the northern temperate regions of East Asia and eastern North America.1
  • Dipsacus clade: Mostly Eurasian or African, with many species native to the Mediterranean region.1
  • Valeriana clade: Distributed across the Northern Hemisphere and in Andean South America.1
  • Linnaea clade: Native to temperate regions of Southeast Asia and North America, with some species extending into Mexico.1
  • Morina clade: Native to Eurasia, ranging from the Balkans to China.1
  • Diervilla clade: Comprised of species native to North America and East Asia.1