Taking plants home on an airplane is probably easier than you think. Keep in mind this was a domestic USA flight. International flights have strict import laws and can be much more difficult. Codiaeum variegatum (garden croton) CABI Compendium Daikon Radish Food Plot Seed 50 Lbs Seed Barn Conservation agriculture raises crop nitrogen acquisition by amplifying plant microbe synergy under climate warming Nature Communications Broadleaf Plantain Purdue University Turfgrass Science at Purdue University