In the Kangxi Dictionary, there are 24 characters (out of 49,030) to be found under this radical.
In mainland China, this radical is merged to radical earth (土, principal indexing component #29 in the Table of Indexing Chinese Character Components) as its associated indexing component.
The radical is also used as an independent Chinese character.
It is one of the Kyōiku kanji or Kanji taught in elementary school in Japan.
[1] It is a fourth grade kanji.