The phrase "a small clump" is correct and usable in written English.
It can be used to describe a compact group or mass of something, often in a physical context, such as plants or objects.
Example: "In the garden, I noticed a small clump of wildflowers blooming near the fence."
Alternatives: "a tiny cluster" or "a little bunch".
A few friends, my girlfriend and I stood in a small clump off to the side of the commotion.
Add a pinch of carrot and a few cucumber sticks, some of the sliced pork, then a small clump of rice vermicelli.
Also turning heads was the shrimp martini: four jumbo shrimp in a cocktail glass with a small clump of tasty seaweed salad.
The tasty, juicy chops (best-evers in my book) arrived with a small clump of arugula salad and a balsamic dipping sauce.
Today the telemetry signals come from a small clump of alders on the edge of a swamp just south of the Minong Ridge near McCargoe Cove.
In the square on the other side of the bridge, a small clump of Brotherhood protesters were remonstrating with a larger group of Army officers and military police.
A smaller clump of GSI honors, the Teaching Effectiveness Awards (TEA), are also given by the GSI Center and the Advisory Committee for GSI Affairs, presented to a subset of Outstanding Graduate Student Instructor Award winners whose innovative methods have enhanced the ways their students learn.
If preferred, you can dig up some grass from a garden of a friend or neighbor a small clump will be adequate to get your pot started.
Transfer to bowl, fluff and separate any small clumps with fingertips.
The hot, dense moments after the Big Bang produced protons, and a few small clumps of at most seven protons and neutrons bound together - that is, the elements hydrogen, helium and a tiny bit of lithium.
Writing in the current issue of the journal Nature, a team of American and French astronomers describe the looping elliptical orbits of 1998 WW31, a small icy clump 4.3 billion miles from the Sun, and its moon.
