The phrase "a source of numerous" is correct and usable in written English.
It can be used when referring to something that provides many examples, instances, or types of something.
Example: "The library is a source of numerous resources for students conducting research."
Alternatives: "a wealth of" or "a multitude of".
The plug-in architecture is a security nightmare, and a source of numerous breaches through which buggy or malicious code was able to reach into users' computers and compromise them.
The density of urban development is a source of numerous environmental concerns.
The fresco became a source of numerous engravings circulating in Georgia at that time and inspired the poet Grigol Orbeliani to dedicate a romantic poem to it.
He also had the "thankless task" of rationalising the Air Force List of officers and their seniority, which had become a source of numerous irregularities due to the temporary and acting promotions granted during wartime.
It is also a source of numerous derivatives, cellulose ethers, and esters.
Coconut palm (Cocos nucifera) is a symbol of the tropics and a source of numerous edible and nonedible products of economic value.
Kale (Brassica oleracea var. acephala) is a rich source of numerous health-benefiting compounds, including vitamins, glucosinolates, phenolic compounds, and carotenoids.
Consequently, tremendously diverse marine organisms have become a great source of numerous biological macromolecules that can be used to develop tissue-engineered substitutes with wound healing properties.
Such water is often shared by humans, livestock and wildlife, and thus constitutes a primary source of numerous infections including NTM.
Nature offers a variety of surfaces with brilliant properties and is a source of inspiration for numerous applications and techniques.
This enzyme is important for proline catabolism in all cellular organisms, is known to play a role in stress response in plants and in some other algae [69], and is used as a source of nutrients by numerous bacterial symbionts and pathogens [70], [71]; it could thus play an important role in some aspect of the host-virus interaction.
