R.I. Gen. Laws § 2-15-12
No person, firm or corporation shall dig up, pull up or take from the land of another or from any public domain, the whole or any part of any trailing arbutus (epigea repens), American holly (ilex opaca), white pine, red cedar, hemlock or other coniferous trees, or any black alder (ilex verticillata), any inkberry (ilex glabra), any flowering dogwood (cornus florida), any mountain laurel (kalmia latifolia), any great rhododendron (rhododendron maximia), or any ground pine (lycopodium obscurum), or any trailing Christmas greens (lycopodium complanatum), or any sea lavender (limonium carolinianum), without having in his or her possession a permit to dig up, pull up or take those plants signed by the owner of the land, or by his or her authorized agent.
R.I. Gen. Laws § 2-15-12