| Last Name | First Name | Dates | Confirmed | Volume Number | Page Number | Correspondence Information | Image | Other archives materials |
|---|---|---|---|---|---|---|---|---|
| LaBillardiere | Jacques Julien Houttou de | 1775-1834 | birth and death dates verified TL2 | 3 | 96 | 1 page letter from Paris, France 1824 | sketch 10"x12" | Historic Letters Collection |
| Lacepede | Bernard Germaine Etienne | 1756-1825 | birth and death dates unverified | 3 | 97 | 1 page letter from Paris, 6 November 1822 | no image | |
| Lagasca | Mariane | 1776-1859 | birth and death dates verified TL2 | 3 | 98 | 2 page letter from Madrid, Spain, 12 January 1838 | no image | |
| Lamarck | Jean Baptiste Antoine Pierre Monnet de | 1744-1829 | birth and death dates unverified | 3 | 99 | 1 page letter from Paris, France 1783 | sketch 8"x10" | Photographic Archives #0512, #0513 |
| Lambert | Aylmer Bourke | 1761-1842 | birth and death dates verified TL2 | 3 | 100 | 3 page letter from London, England, 18 April 1837 | sketch 8"x10" | Historic Letters Collection; Photographic Archives #1353 |
| Lamouroux | Jean Vicent Felix | 1779-1825 | birth and death dates unverified | 3 | 101 | 1 page letter from Caen *(unverified) | no image | Historic Letters Collection |
| Lange | Johan Martin Christian | 1818-1898 | birth and death dates verified TL2 | 3 | 102 | 2 page letter from Copenhagen, Denmark, 28 November 1886 | photo 2 1/2"x4" | Historic Letters Collection |
| Lang | Adolph Franz | 1795-1863 | birth and death dates verified TL2 | 3 | 102 | Signature List, Pesth, 1824 | no image | |
| Langsdorf | Georg Heinrich | 1774-1852 | birth and death dates verified TL2 | 3 | 103 | 2 page letter from St. Petersburg, Russia 1810 | no image | |
| Laning | Enoch | no dates | birth and death dates verified Barnhart | 3 | 104 | 1 page letter from Lawrenceville, NJ, 31 March 1854 | no image | |
| Lapham | Increase Allen | 1811-1875 | birth and death dates verified Barnhart and TL2 | 3 | 105 | 2 page letter from Milwaukee, WN, 7 March 1859 | no image | Historic Letters Collection; Photographic Archives #0858, #0251 |
| LaPeyrouse | Philippe Picot Baron de | 1744-1818 | birth and death dates verified TL2 | 3 | 105 | label | no image | |
| LaPylaie | August Jean Marie | 1786-1856 | birth and death dates verified Barnhart | 3 | 106 | 1 page letter from Paris, France, 13 April 1839 | no image | |
| Laseque | Antoine | birth and death dates verified Barnhart | 3 | 107 | 2 page letter from Paris, France, 1855 | no image | ||
| LaTourette | Marc Antoine Louis Claret de | 1729-1793 | birth and death dates verified Barnhart | 3 | 107 | label | no image | |
| Latreille | Perre Andre | 1762-1833 | birth and death dates unverified | 3 | 108 | 2 page letter from Paris, France, 19 November 1817 | no image | |
| Lavallee | Pierre Alphonse Martin | 1836-1884 | birth and death dates verified TL2 | 3 | 109 | 2 page letter from Paris, France, 1884 | photo 2 1/2"x4" | Historic Letters Collection |
| Lawson | George | 1827-1895 | birth and death dates verified TL2 | 3 | 109 | 2 page letter from Kingston, Canada 1859 | no image | Historic Letters Collection |
| Lawson | Marmaduke Alexander | 1840-1896 | birth and death dates verified TL2 | 3 | 110 | 3 page letter from Oxford, England, 1859 | photo 2 1/2"x4" | Historic Letters Collection |
| Lea | Thomas Gibson | 1785-1844 | birth and death dates verified TL2 | 3 | 110 | 3 page letter from Cincinnati, OH, 21 May 1839 | no image | |
| Leavenworth | Melines Conklin | 1796-1862 | birth and death dates verified TL2 | 3 | 111 | 2 page letter from Natchitoches, LA, 25 March 1837 | no image | |
| Lechler | Milibald | 1814-1856 | birth and death dates verified TL2 | 3 | 112 | label | no image | |
| LeConte | John Eatton | 1784-1860 | birth and death dates verified TL2 | 3 | 112 | 1 page letter from Savannah, GA, 20 February 1853 | no image | |
| LeConte | John Lawrence | 1825-1883 | birth and death dates unverified | 3 | 113 | 2 page letter from New York, NY, 2 August 1843 | no image | |
| LeConte | Joseph | 1823-1902 | birth and death dates verified TL2 | 3 | 114 | 2 page letter from Oakland, CA 1876 | no image | Historic Letters Collection; Photographic Archives; Personal Papers of Gray Archives |
| Lecoyer | Joseph-Cyprien | 1835-1899 | birth and death dates verified TL2 | 3 | 114 | 4 page letter from Hainaut, Belgium, 22 November 1882 | no image | |
| Ledebour | Karl Friedrich von | 1785-1851 | birth and death dates verified TL2 | 3 | 115 | 1 page letter from Munich, Bavaria 1848 | no image | Historic Letters Collection; Photographic Archives #1230 map case |
| Lefroy | John Henry | 1817-1890 | birth and death dates verified TL2 | 3 | 115 | 3 page letter from Penquite, Cornwall, England, 20 September 1887 | no image | Historic Letters Collection; Photographic Archives #0253 |
| Leggett | William Henry | 1816-1882 | birth and death dates verified TL2 | 3 | 116 | 3 page letter from New York, NY, 10 March 1874 | no image | Historic Letters Collection; Photographic Archives #0699 |
| Lehmann | Johann Georg Christian | 1792-1860 | birth and death dates verified TL2 | 3 | 117 | 1 page letter from Hamburg, Germany, 25 November 1851 | no image | Historic Letters Collection |
| Leighton | William Allport (Rev.) | 1805-1889 | birth and death dates verified TL2 | 3 | 118 | 2 page letter from Shrewsbury, England, 20 March 1865 | photo 4"x5" | Historic Letters Collection |
| LeJolis | Auguste Francois | 1823-1906 | birth and death dates verified TL2 | 3 | 118 | 1 page letter from France, 7 November 1854 | photo 2 1/2"x4" | |
| Lemaire | Charles Antoine | 1800-1871 | birth and death dates verified TL2 | 3 | 119 | 2 page letter from Paris, France, 20 June 1831 | no image | |
| Lemann | Charles Morgan, M.D. | 1806-1852 | birth and death dates verified Barnhart | 3 | 119 | 2 page letter from London, England, 23 March 1849 | no image | |
| Lemmon | John Gill | 1832-1908 | birth and death dates verified Barnhart | 3 | 120 | 4 page letter from Sierra Valley, CA, 6 December 1874 | photo 4"x6" | Historic Letters Collection; Photographic Archives #0609 |
| Lemmon | Sara | no dates | birth and death dates verified | 3 | 120 | 4 page letter from Oakland, CA, 14 February 1881 regarding "Ferns of the Pacific Coast" | no image | Historic Letters Collection; Photographic Archives #0610 |
| Lenormand | Rene [Sebastien] | 1796-1871 | birth and death dates verified TL2 | 3 | 121 | 3 page letter from France, 18 January 1849 | no image | Historic Letters Collection; Photographic Archives #0726 |
| Leroy | Andre | 1801-1875 | birth and death dates verified TL2 | 3 | 121 | 2 page letter from Anvers, France, 1860 | no image | |
| Lesquereux | Charles Leo | 1806-1889 | birth and death dates verified TL2 | 3 | 122 | 1 page letter from Columbus, OH, 21 June 1857 | photo 2 1/2"x4" | Historic Letters Collection; Photographic Archives #0677 |
| Lettson | John Coakley, M.D. | 1744-1815 | birth and death dates verified | 3 | 123 | 2 page letter from London, England, 1784 | sketch 3"x5" | |
| Leveille | Joseph Henri | 1796-1870 | birth and death dates verified TL2 | 3 | 124 | 1 page letter from Paris, France, 23 June 1848 | no image | |
| Lewis | J. Harbord | no dates | birth and death dates verified Barnhart | 3 | 124 | photo 2 1/2"x4" | ||
| Licopoli | Gaetano | 1833-1897 | birth and death dates verified TL2 | 3 | 125 | 1 page from Naples, Italy, 1868 | no image | |
| Liebmann | Frederick Michael | 1813-1856 | birth and death dates verified | 3 | 126 | 2 page letter from Copenhagen, Denmark, 26 December 1853 | no image | Historic Letters Collection |
| Lilienthal | (Dr.) | no dates | birth and death dates unverified | 3 | 127 | 1 page letter from Lancaster, PA , 1840 | no image | |
| Lindberg | Sextus Otto | 1835-1889 | birth and death dates verified TL2 | 3 | 127 | 3 page letter from Helsingfors, Finland, 30 May 1879 | photo 2 1/2"x 4" | Historic Letters Collection |
| Lindheimer | Ferdinand | 1801-1879 | birth and death dates verified TL2 | 3 | 128 | 1 page letter from Neibraunfels, TX, 22 November 1857 | photo 2 1/2"x4" | Historic Letters Collection; Photographic Archives #0256 |
| Lindley | John | 1799-1865 | birth and death dates verified TL2 | 3 | 129 | 2 page letter (no dates or place) | sketch 3"x5"; photo 2 1/2"x4" | Historic Letters Collection; Photographic Archives #0522, #0521, #0257, #1354 map case |
| Lindsay | William Lauder | 1829-1880 | birth and death dates verified TL2 | 3 | 129 | 2 page letter from Perth, Scotland, 19 June 1866 | no image | |
| Link | Johann Heinrich Friedrich, M.D. | 1767-1851 | birth and death dates verified TL2 | 3 | 130 | 3 page letter from Rostock, Germany, 25 May 1806 | sketch 3"x5" | |
| Linnaeus | Carl | 1707-1778 | birth and death dates verified TL2 | 3 | 131 | 3 page letter from Upsale, Sweden, | 3 sketches (various) | Photographic Archives #1027, 1232 map case, #0258, #0812, #1409 map case, #0516, #0846, #0517, #0518 |
| Lippold | J.F., M.D. | no dates | birth and death dates unverified | 3 | 132 | label | no image | |
| Locke | John, M.D. | 1792-1856 | birth and death dates verified TL2 | 3 | 132 | 4 page letter (no dates or place) | no image | Historic Letters Collection |
| Loddiges | George | 1784-1846 | birth and death dates verified TL2 | 3 | 132 | 1 page letter from London, England, 20 July 1844 | no image | |
| Loomis | H | no dates | birth and death dates unverified | 3 | 134 | 2 page letter from Newbern, North Carolina, 14 February 1834 | no image | |
| Lorey | Henri, M.D. | no dates | birth and death dates unverified | 3 | 135 | 2 page letter from Dijon, France 1835 | no image | |
| Loring | Charles Greely | 1827-1902 | birth and death dates unverified | 3 | ? | no image | ||
| Loudon | John Claudius | 1783-1843 | birth and death dates verified Barnhart and TL2 | 3 | 136 | 2 page letter from Bayswater, London, England, 31 October 1840 | sketch 3"x5" | Historic Letters Collection |
| Lowell | John Amory | 1798-1881 | birth and death dates verified Barnhart | 3 | 137 | 1 page letter from Botston, MA, 29 April 1845 | no image | Historic Letters Collection |
| Lubbock | John | 1834-1813 | birth and death dates verified Barnhart | 3 | 138 | 1 page letter from Copington, England, 1881 | no image | |
| Ludwig | Christian Gottlieb | 1709-1773 | birth and death dates verified Barnhart | 3 | 138 | 2 page list of Risengeberg's Cryptogams | no image | |
| Lund | Peter William, M.D. | 1801-1880 | birth and death dates verified | 3 | 139 | 4 page letter from Rio de Janeiro, Brazil, 26 September, 1833 | no image | |
| Lyell | Charles (Kinnordy) | 1767-1849 | birth and death dates verified Barnhart | 3 | 140 | 4 page letter from Kinnordy, Scotland, 9 January 1849 | no image | |
| Lyell | Charles (Sir) (son of preceding) | 1797-1875 | birth and death dates verified Barnhart | 3 | 140 | 2 page letter from London, England, 11 November 1868 | sketch 8"x10" | |
| Lyell | Katherine Murray | 1817-1915 | birth and death dates verified TL2 | 3 | 141 | 3 page letter from London, England, 1872 | 2 sketches (both 4"x6") | Photographic Archives #0510 |
| Lyon | William Schugham | 1851-1916 | birth and death dates verified Barnhart | 3 | 141 | 1 page letter from Los Angeles, CA, 1885 | no image | Historic Letters Collection |