In Minnesota, it is legal to transplant ladyslippers (and other wildflowers) from private property to another person's property without a permit as long as you have the property owner's written permission and the flowers are not sold or offered for sale.
Four years ago my neighbor turned a patch of his Woodland into pasture land. At that time I noticed the cattle were eating showy lady slipper orchids. I asked permission to rescue a small bunch and was given the okay. I dug up 3 stalks in a clump and transferred them near my house in a bed I...