The Effects of Exogenous Cytokinin on the Morphology and Gender Expression of Osmunda regalis GametophytesPublished in American Fern Journal, in 2012, in volume 102, pages 32-46Created: 2017-04-23, modified: 2017-04-23
Thomas Jonathan Burrill April 25, 1839-April 14, 1916Published in Botanical Gazette, in 1916, in volume 62, issue 2, pages 153-155Created: 2017-03-14, modified: 2017-03-14
Henry Clifden Burnup, born April 21, 1852, died April 23, 1928Published in Nautilis, in 1928, in volume 42, pages 62-63Created: 2013-09-28, modified: 2013-09-28
Butterflies in Lanzarote - April 1988-April 1989Published in Entomologist's Record and Journal of Variation, in 1991, in volume 103, issue 3-4, pages 79-81Created: 2016-09-01, modified: 2016-09-01
List of Birds Found in Roane County, Tennessee, during April, 1884, and March and April, 1885Published in The Auk, in 1886, in volume 3, pages 315-320Created: 2013-03-08, modified: 2013-03-08
Bericht über die April-SitzungPublished in Journal für Ornithologie, in 1905, in volume 53, pages 558-560Created: 2014-09-04, modified: 2014-09-04
The April First Bird CensusPublished in The Wilson Bulletin, in 1915, in volume 27, issue 2, pages 337Created: 2016-11-27, modified: 2016-11-27
Bericht über die April-Sitzung 1899Published in Journal für Ornithologie, in 1899, in volume 47, pages 417-418Created: 2014-09-04, modified: 2014-09-04
Bericht über die April-SitzungPublished in Journal für Ornithologie, in 1887, in volume 35, pages 221-222Created: 2014-09-04, modified: 2014-09-04
Bericht über die April-Sitzung 1904Published in Journal für Ornithologie, in 1904, in volume 52, pages 566-570Created: 2014-09-04, modified: 2014-09-04
Bericht über die April-Sitzung 1909Published in Journal für Ornithologie, in 1909, in volume 57, pages 503-504Created: 2014-09-04, modified: 2014-09-04
Some April and May Work SuggestedPublished in The Wilson Bulletin, in 1905, in volume 17, issue 1, pages 22Created: 2016-11-27, modified: 2016-11-27
Additions to the flora of Washington and vicinity, from April 1, 1884 to April 1, 1886Published in Proceedings of The Biological Society of Washington, in 1886, in volume 3, pages 106-132Created: 2011-07-31, modified: 2013-04-10
Bericht über die april-sitzung 1894Published in Journal für Ornithologie, in 1894, in volume 42, pages 347-348Created: 2014-09-04, modified: 2014-09-04
Bericht über die April-SitzungPublished in Journal für Ornithologie, in 1891, in volume 39, pages 220-223Created: 2014-09-04, modified: 2014-09-04
Bericht über die April-SitzungPublished in Journal für Ornithologie, in 1891, in volume 39, pages 22-27Created: 2014-09-04, modified: 2014-09-04
Bericht über die April-SitzungPublished in Journal für Ornithologie, in 1884, in volume 32, pages 252-254Created: 2014-09-04, modified: 2014-09-04
Mitglieder des Berliner Entomologischen Vereins. April 1874Published in Berliner entomologische Zeitschrift, in 1874, in volume 18, issue 1‐2, pages 9-21Created: 2016-12-10, modified: 2016-12-10
Special Meeting, April 2Published in Proceedings of The American Philosophical Society, in 1844, in volume 4, issue 29, pages 51Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April, 5Published in Proceedings of The American Philosophical Society, in 1844, in volume 4, issue 30, pages 53-59Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 19Published in Proceedings of The American Philosophical Society, in 1844, in volume 4, issue 30, pages 59-66Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 4Published in Proceedings of The American Philosophical Society, in 1845, in volume 4, issue 32, pages 151-153Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 18Published in Proceedings of The American Philosophical Society, in 1845, in volume 4, issue 32, pages 153-156Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 3Published in Proceedings of The American Philosophical Society, in 1846, in volume 4, issue 35, pages 245-248Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 17Published in Proceedings of The American Philosophical Society, in 1846, in volume 4, issue 35, pages 248-250Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 2Published in Proceedings of The American Philosophical Society, in 1847, in volume 4, issue 38, pages 323-324Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 16Published in Proceedings of The American Philosophical Society, in 1847, in volume 4, issue 38, pages 324-330Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 7Published in Proceedings of The American Philosophical Society, in 1854, in volume 6, issue 51, pages 21-22Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 6Published in Proceedings of The American Philosophical Society, in 1855, in volume 6, issue 53, pages 113-119Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 20Published in Proceedings of The American Philosophical Society, in 1855, in volume 6, issue 53, pages 119-121Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 4Published in Proceedings of The American Philosophical Society, in 1856, in volume 6, issue 55, pages 182-184Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 18Published in Proceedings of The American Philosophical Society, in 1856, in volume 6, issue 55, pages 185-188Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 3Published in Proceedings of The American Philosophical Society, in 1857, in volume 6, issue 57, pages 247-248Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 17Published in Proceedings of The American Philosophical Society, in 1857, in volume 6, issue 57, pages 249-252Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 2Published in Proceedings of The American Philosophical Society, in 1858, in volume 6, issue 59, pages 302-304Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 6Published in Proceedings of The American Philosophical Society, in 1838, in volume 1, issue 2, pages 9-10Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 20Published in Proceedings of The American Philosophical Society, in 1838, in volume 1, issue 2, pages 11Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 5Published in Proceedings of The American Philosophical Society, in 1839, in volume 1, issue 7, pages 87-90Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 19Published in Proceedings of The American Philosophical Society, in 1839, in volume 1, issue 7, pages 90-95Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 3Published in Proceedings of The American Philosophical Society, in 1840, in volume 1, issue 11, pages 189-193Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 17Published in Proceedings of The American Philosophical Society, in 1840, in volume 1, issue 11, pages 194-201Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 7Published in Proceedings of The American Philosophical Society, in 1848, in volume 5, issue 40, pages 13-17Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 21Published in Proceedings of The American Philosophical Society, in 1848, in volume 5, issue 40, pages 17-22Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 6Published in Proceedings of The American Philosophical Society, in 1849, in volume 5, issue 43, pages 81-83Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 20Published in Proceedings of The American Philosophical Society, in 1849, in volume 5, issue 43, pages 83-86Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 5Published in Proceedings of The American Philosophical Society, in 1850, in volume 5, issue 45, pages 141-143Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 19Published in Proceedings of The American Philosophical Society, in 1850, in volume 5, issue 45, pages 143-144Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 18Published in Proceedings of The American Philosophical Society, in 1851, in volume 5, issue 46, pages 193-196Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 2Published in Proceedings of The American Philosophical Society, in 1852, in volume 5, issue 48, pages 255-262Created: 2017-01-01, modified: 2017-01-01
Stated Meeting, April 1Published in Proceedings of The American Philosophical Society, in 1853, in volume 5, issue 49, pages 322-324Created: 2017-01-01, modified: 2017-01-01