I've heard that there is a problem, in areas to which CPs are native, with unscrupulous individuals field-collecting plants in mass, and selling them.
What are the telltale signs that a plant has been field-collected?
Some that I can think of include:
* grasses or other plants that share the same enviroment in the pot, as well
* soil that seems too natural, rather than a mix of peat and sand and perlite
* greenhouse-grown plants have less insect damage and softer tissue; therefore, excess pest damage and weather-hardened plants should be a tip-off.