Answer: What an interesting find! I suspect the clover either spread by seeds or there was a tiny root in the potting soil and it grew into a plant. In any event, the only way to entirely remove the clover and not harm your houseplants is to repot your plants in fresh potting soil. When you remove your plants from their pots, brush or rinse away as much of the potting soil as possible. Setting the roots in a bucket of water and swishing the plant around should untangle the clover roots from the houseplant roots. Then thoroughly wash the pots, fill them with fresh potting soil, replant your houseplants, then water everything well. The act of removing and replacing the old potting soil should control the volunteer clover.
Best wishes with your houseplants.
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