The phrase "a wide array of groups" is correct and usable in written English.
It can be used when referring to a diverse range of different organizations, communities, or categories of people.
Example: "The conference attracted a wide array of groups, including environmental activists, business leaders, and government officials."
Alternatives: "a diverse range of groups" or "a broad spectrum of groups."
A wide array of groups is backing Mr. Espada's opponent, Gustavo Rivera.
Mr. Cheney's energy task force heard advice from a wide array of groups and corporate executives last spring.
The effort, organized by the American Academy of Pediatrics, reflects the growing alarm among a wide array of groups over Trump's embrace of discredited claims about vaccine safety.
Other groups urge donors to give to one of several nonprofits that serve as clearinghouses for donations to a wide array of groups in Israel and the West Bank, which, if not done properly, can skirt the intent of American tax rules.
The vote marked the final hurdle for a bill that cleared an unusual number of obstacles, despite enjoying bipartisan support and backing from a wide array of groups across the political spectrum, from the Consumers Union to the Chamber of Commerce.
She has spoken about ethics to audiences around the country and has developed and led interactive ethics workshops for a wide array of groups, including middle-school students, undergraduates, university staff, community leaders, business people, and elected officials.
Results show that, unlike the local boundary conditions whose accuracy depends on the group velocity of the scattered waves, the present conditions give accurate solutions for a range of problems that have a wide array of group velocities.
The measure was pulled from the House schedule last week, and it was tweaked again to exempt a wider array of groups.
Communications referenced a wide array of stakeholder groups, including fringe groups such as the media, minorities, nongovernmental organizations, students, and sponsored athletes.
A wide array of outdoors groups praised the move.
A wide array of industry groups had opposed the rule, including the golf industry.
