The handling of large species of toadstool, sometimes popularly called “wart-toadstool,” will cause warts to grow on the part of the hand coming in contact with it.
New Hampshire.

The handling of large species of toadstool, sometimes popularly called “wart-toadstool,” will cause warts to grow on the part of the hand coming in contact with it.
Source: Current Superstitions (1896), entry 881.
Fanny D. Bergen, editor.
Modern normalized navigation; the historical attribution above remains unchanged.