"wide array of cultures" is a correct phrase and can be used in written English.
Example: "New York City is known for its wide array of cultures, with people from all over the world living and working together."
These communities tend to be small and relatively isolated, and they represent a wide array of cultures.
Urban living also requires a certain tolerance for what can be a wide array of cultures and lifestyles.
Moreover, there are a wide array of cultures, user types, platforms, contexts of use, and devices which you must reconcile and take into consideration in the concept.
Unfortunately, there have been a wide array of culture conditions employed in the laboratory (e.g. supplements, media formulations, ECM, 3-D scaffolds etc).
Make sure your local classrooms and programs have a wide array of culturally rich books.
They get it from a wide array of sources that contribute to a culture that demonizes LGBT people.
Her meditation on consciousness and culture draws on a wide array of sources: Alexander Pope, the M.I.T. roboticist Rodney Brooks, contemporary novels, ancient myths, and the Sweden-based Absolute Elephant Information Encyclopedia (elephant.se).se
Mr. Kerik brings a wide array of experience to the new job, and a familiarity with the culture and political realities of the Middle East.
Resolving this immigration challenge is important now – at a time when, simply put, we must attract a wide array of motivated and talented people from around the world to our culture of opportunity, even while cultivating our own homegrown talent.
The diversity of cultures and perspectives offer an opportunity to learn, engage in thoughtful dialogue and experience a wide array of foods.
Gaming culture is often seen as a vile thing, and there are a wide array of examples to support that conclusion.
