Travelmath provides a database of major and local cities around the world. You can find the latitude and longitude of any world city, and check the city distance by comparing the flight distance between cities with the driving distance to see how far two cities are from each other.
Whorled phyllotaxy. Whorled phyllotaxy is another common mutation, although this is less desirable as a concealment trait as the plants still definitely resemble cannabis.
Phormium tenax: Harakeke. The main flax used for weaving is Phormium tenax, or harakeke, a lowland or swamp flax. It can be distinguished from Phormium cookianum by its deep red flowers, its seed pods which are thick and straight and the fact that its leaves, flowers and seed pods all point upwards.