The vegetation of tended pasture, forage, consists mainly of grasses, with an interspersion of legumes and other forbs.
From the en.wikipedia.org
The interspersion of this sort of information humanizes the book, making it about people as much as about aircraft the Marine Corps procured and why it procured them.
From the washingtontimes.com
As a consequence of post-war housing policy, right throughout London's population of 8 million, there is the interspersion of people with cash and no time, and people with time who need cash.
From the eu.techcrunch.com
More examples
The act of combining one thing at intervals among other things; "the interspersion of illustrations in the text"
The state of being interspersed; The act of interspersing
The level of spatial intermingling that takes place within a community or between patches of the same type