The phrase "a collection of groups" is correct and usable in written English.
It can be used when referring to multiple groups that are gathered or categorized together for a specific purpose or context.
Example: "The conference featured a collection of groups dedicated to environmental conservation, education, and community development."
Alternatives: "a grouping of teams" or "an assembly of organizations."
A collection of groups sued to have the proposition overturned, saying it amounted to a revision of the State Constitution, which requires legislative approval or a constitutional convention.
This includes Ahrar al-Sham, a large Salafist outfit, and the Army of Islam, a collection of groups around the capital, Damascus.
Notable among these are rebels in Nepal, who won control of the government there in 2006 after a 10-year-long insurgency, and a collection of groups in India called Naxalites, who have engaged in guerilla warfare for decades in large areas of that country.
This group fears that a trade convention is being undermined by welfare-driven proposals.By contrast, Teresa Telecky, director of the wildlife trade programme at the Humane Society (and also acting director of the Species Survival Network, a collection of groups that are lobbying CITES) believes that welfare and long-term survival are congruent objectives.
G is a collection of groups.
A collection of groups funded by billionaires spent approximately $3.5 million on these elections to maintain a pro-Common Core majority.
But, when you look a little closer, the group is not one, but rather a collection of many groups.
There are hints of it in the way protesters of diverse loyalties -- labor, environmental and consumer groups among them -- have sought to become a mass but leaderless movement, a collection of affinity groups that operate by consensus.
The Nuba are a collection of language groups that are sometimes described as more a political or geographical entity than a homogenous ethnic group.
Democrats have been called a collection of interest groups.
In 2001, Hong Kong gave a collection of art groups permission to use the Cattle Depot space, which the government also subsidizes.
