| Label | Groups | Reference type | Reference | Supplemental references |
|---|---|---|---|---|
| KELP_BED | LIVING_ORGANISM, PHYSIOGRAPHY, PLANT, WATERBODY_FLOOR | |||
| KENNEL | ANIMAL, LIVING_ORGANISM | |||
| KILN | INDUSTRY, TEMPERATURE | |||
| KUIPER_BELT | SPACE | IR | [BSFG, "Kuiper belt"] |
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