Map of the known species diversity in 77 Thai provinces. Shades indicate the number of species from low (light) to high (darker colors). Dark and light grey bold line indicate borders of geopolitical regions and provinces, respectively. Northern: 1 Chiang Rai; 2 Chiang Mai; 3 Nan; 4 Phayao; 5 Phrae; 6 Mae Hong Son; 7 Lampang; 8 Lamphun; 9 Uttaradit. Northeastern: 10 Kalasin; 11 Khon Kaen; 12 Chaiyaphum; 13 Nakhon Phanom; 14 Nakhon Ratchasima; 15 Bueng Kan; 16 Buri Ram; 17 Maha Sarakham; 18 Mukdahan; 19 Yasothon; 20 Roi Et; 21 Loei; 22 Si Sa Ket; 23 Sakon Nakhon; 24 Surin; 25 Nong Khai; 26 Nong Bua Lam Phu; 27 Amnat Charoen; 28 Udon Thani; 29 Ubon Ratchathani. Central: 30 Kamphaeng Phet; 31 Chai Nat; 32 Nakhon Nayok; 33 Nakhon Pathom; 34 Nakhon Sawan; 35 Nonthaburi; 36 Pathum Thani; 37 Phra Nakhon Si Ayutthaya; 38 Phichit; 39 Phitsanulok; 40 Phetchabun; 41 Lop Buri; 42 Samut Prakan; 43 Samut Songkhram; 44 Samut Sakhon; 45 Bangkok; 46 Saraburi; 47 Sing Buri; 48 Sukhothai; 49 Suphan Buri; 50 Ang Thong; 51 Uthai Thani. Eastern: 52 Chanthaburi; 53 Chachoengsao; 54 Chon Buri; 55 Trat; 56 Prachin Buri; 57 Rayong; 58 Sa Kaeo. Western: 59 Kanchanaburi; 60 Tak; 61 Prachuap Khiri Khan; 62 Phetchaburi; 63 Ratchaburi. Southern: 64 Krabi; 65 Chunphon; 66 Trang; 67 Nakhon Si Thammarat; 68 Narathiwat; 69 Pattani; 70 Phang–nga; 71 Phatthalung; 72 Phuket; 73 Yala; 74 Ranong; 75 Songkhla; 76 Satun; 77 Surat Thani. The black borders represent the province available the endemic species restricted in Thailand.