| Family | Identification | Country | Image | Notes |
|
Nielsen, I.C. 1842 |
Urticaceae |
Elatostema salvinioides |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1843 |
Euphorbiaceae |
Euphorbiaceae |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1844 |
Euphorbiaceae |
Euphorbiaceae |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1845 |
Celastraceae |
Celastraceae |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1846 |
Euphorbiaceae |
Mallotus |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1847 |
Flacourtiaceae |
Casearia |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1848 |
Lamiaceae |
Paraphlomis javanica |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1849 |
Rubiaceae |
Rubiaceae |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1850 |
Euphorbiaceae |
Euphorbiaceae |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1851 |
Fabaceae |
Millettia |
Thailand |
|
 
|
|
Nielsen, I.C. 1852 |
Fabaceae |
Pueraria |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1853 |
Fabaceae |
Dalbergia |
Thailand |
|
 
|
|
Nielsen, I.C. 1854 |
Fabaceae |
Fabaceae |
Thailand |
|
 
|
|
Nielsen, I.C. 1855 |
Menispermaceae |
Menispermaceae |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1856 |
Fabaceae |
Millettia |
Thailand |
|
 
|
|
Nielsen, I.C. 1857 |
Balsaminaceae |
Impatiens parishii |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1858 |
Fabaceae |
Cruddasia |
Thailand |
|
 
|
|
Nielsen, I.C. 1859 |
Zingiberaceae |
Globba bracteolata |
Thailand |
|
 
|
|
Nielsen, I.C. 1860 |
Orchidaceae |
Orchidaceae |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1861 |
Myrsinaceae |
Ardisia |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1862 |
Lamiaceae |
Gomphostemma |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1863 |
Commelinaceae |
Commelina paludosa |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1864 |
Urticaceae |
Pouzolzia hirta |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1865 |
Zingiberaceae |
Globba calophylla |
Thailand |
|
 
|
|
Nielsen, I.C. 1866 |
Fabaceae |
Archidendron jiringa |
Thailand |
|
 
|
|
Nielsen, I.C. 1867 |
Zingiberaceae |
Boesenbergia parvula |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1868 |
Euphorbiaceae |
Sauropus |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1869 |
Begoniaceae |
Begonia |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1870 |
Proteaceae |
Helicia |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1871 |
Meliaceae |
Heynea trijuga |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1872 |
Fabaceae |
Dalbergia |
Thailand |
|
 
|
|
Nielsen, I.C. 1873 |
Elaeocarpaceae |
Elaeocarpus |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1874 |
Zingiberaceae |
Boesenbergia |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1875 |
Ophioglossaceae |
Ophioglossum |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1876 |
Arecaceae |
Calamus |
Thailand |
|
 
|
|
Nielsen, I.C. 1877 |
Marantaceae |
Stachyphrynium placentarium |
Thailand |
|
 
|
|
Nielsen, I.C. 1878 |
Annonaceae |
Annonaceae |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1879 |
Marantaceae |
Phrynium pubinerve |
Thailand |
|
 
|
|
Nielsen, I.C. 1880 |
Actinidiaceae |
Saurauia |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1881 |
Annonaceae |
Annonaceae |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1882 |
Piperaceae |
Piper |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1883 |
Scrophulariaceae |
Cyrtandromoea subsessilis |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1884 |
Gesneriaceae |
Aeschynanthus |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1885 |
Orchidaceae |
Oberonia |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1886 |
Lauraceae |
Machilus declinatus |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1887 |
Orchidaceae |
Dendrobium |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1888 |
Clusiaceae |
Calophyllum touranense |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1889 |
Fagaceae |
Lithocarpus |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1890 |
Orchidaceae |
Spiranthes |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1891 |
Salicaceae |
Salix tetrasperma |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1892 |
Araliaceae |
Araliaceae |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1893 |
Olacaceae |
Schoepfia fragrans |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1894 |
Euphorbiaceae |
Phyllanthus |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1895 |
Zingiberaceae |
Zingiber |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1896 |
Cucurbitaceae |
Cucurbitaceae |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1897 |
Fabaceae |
Dalbergia |
Thailand |
|
 
|
|
Nielsen, I.C. 1898 |
Fagaceae |
Castanopsis |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1899 |
Asclepiadaceae |
Asclepiadaceae |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1900 |
Acanthaceae |
Gymnostachyum signatum |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1901 |
Orobanchaceae |
Christisonia siamensis |
Thailand |
|
 
|
|
Nielsen, I.C. 1902 |
Fabaceae |
Archidendron jiringa |
Thailand |
|
 
|
|
Nielsen, I.C. 1903 |
Fabaceae |
Dalbergia |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1904 |
Zingiberaceae |
Alpinia galanga |
Thailand |
|
 
|
|
Nielsen, I.C. 1905 |
Lamiaceae |
Callicarpa rubella |
Thailand |
|
 
|
|
Nielsen, I.C. 1906 |
Cucurbitaceae |
Cucurbitaceae |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1907 |
Fabaceae |
Millettia |
Thailand |
|
 
|
|
Nielsen, I.C. 1908 |
Fabaceae |
Cruddasia insignis |
Thailand |
|
 
|
|
Nielsen, I.C. 1909 |
Zingiberaceae |
Globba obscura |
Thailand |
|
 
|
|
Nielsen, I.C. 1910 |
Fabaceae |
Desmodium triflorum |
Thailand |
|
 
|
|
Nielsen, I.C. 1911 |
Annonaceae |
Artabotrys |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1912 |
Scrophulariaceae |
Scrophulariaceae |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1913 |
Lamiaceae |
Orthosiphon |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1914 |
Arecaceae |
Plectocomiopsis geminiflorus |
Thailand |
|
 
|
|
Nielsen, I.C. 1915 |
Fabaceae |
Bauhinia ornata var. burmanica |
Thailand |
|
 
|
|
Nielsen, I.C. 1916 |
Lauraceae |
Beilschmiedia |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1917 |
Vitaceae |
Cissus |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1918 |
Orchidaceae |
Orchidaceae |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1919 |
Acanthaceae |
Staurogyne lasiobotrys |
Thailand |
|
 
|
|
Nielsen, I.C. 1920 |
Acanthaceae |
Strobilanthes palawanensis |
Thailand |
|
 
|
|
Nielsen, I.C. 1921 |
Acanthaceae |
Asystasia salicifolia |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1922 |
Gelsemiaceae |
Gelsemium elegans |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1923 |
Rutaceae |
Toddalia asiatica |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1924 |
Fabaceae |
Senegalia pennata subsp. pennata |
Thailand |
|
 
|
|
Nielsen, I.C. 1925 |
Fabaceae |
Senegalia pluricapitata |
Thailand |
|
 
|
|
Nielsen, I.C. 1926 |
Lamiaceae |
Premna stenobotrys |
Thailand |
|
 
|
|
Nielsen, I.C. 1927 |
Asclepiadaceae |
Asclepiadaceae |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1928 |
Apocynaceae |
Streptoechites chinensis |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1929 |
Fabaceae |
Bauhinia ornata var. burmanica |
Thailand |
|
 
|
|
Nielsen, I.C. 1930 |
Asclepiadaceae |
Asclepiadaceae |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1931 |
Fabaceae |
Pterolobium |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1932 |
Orchidaceae |
Orchidaceae |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1933 |
Fabaceae |
Bauhinia bracteata |
Thailand |
|
 
|
|
Nielsen, I.C. 1934 |
Fabaceae |
Antheroporum pierrei |
Thailand |
|
 
|
|
Nielsen, I.C. 1935 |
Boraginaceae |
Ehretia acuminata |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1936 |
Fabaceae |
Senegalia caesia |
Thailand |
|
 
|
|
Nielsen, I.C. 1937 |
Convolvulaceae |
Argyreia variabilis |
Thailand |
|
 
|
|
Nielsen, I.C. 1938 |
Fabaceae |
Senegalia comosa |
Thailand |
|
 
|
|
Nielsen, I.C. 1939 |
Fabaceae |
Bauhinia pulla |
Thailand |
 
|
 
|
|
Nielsen, I.C. 1940 |
Fabaceae |
Caesalpinia |
Thailand |
|
 
|
|
Nielsen, I.C. 1941 |
Fabaceae |
Dalbergia |
Thailand |
|
 
|
|