11. It is not known whether the subspecies intergrade in the areas where their ranges overlap. 12. Many subgroups intergrade to other soil orders. 13. Not all of these are accepted in South Australia, where the subspecies tend to intergrade . 14. The unit consists of mudstones that intergrade into coarser shelly sandstones that sometimes form small nodules. 15. Only two subspecies are nowadays unequivocally recognized for the lesser whitethroat, and they intergrade throughout Central Europe: 16. Where their ranges meet in central Brazil, the black-necked and white-backed stilts intergrade . 17. Type A + B is found in areas where the aforementioned types apparently intergrade in southwestern Arkansas and northern Louisiana. 18. Two important subclasses of lakes are ponds, which typically are small lakes that intergrade with wetlands, and water reservoirs. 19. Although he declined to name the dealer, The Bangkok Post quoted military sources as saying it was Hawkeye Intergrade of Canada. 20. These taxa do intergrade with each other, so Flora of North America does not recognise any of these as separate taxa.