Published in American Fern Journal, in 1987, in volume 77, pages 73-89

Created: 2017-04-23, modified: 2017-04-23

Published in Mitteilungen der Münchner Entomologischen Gesellschaft, in 2004, in volume 94, pages 87-95

Created: 2016-09-15, modified: 2016-09-15

Published in Journal of Hymenoptera Research, in 2001, in volume 10, issue 2, pages 181-230

Created: 2011-10-04, modified: 2011-10-04

Published in Annals of the Missouri Botanical Garden, in 1982, in volume 69, pages 420-425

Created: 2010-01-08, modified: 2015-12-16

Published in Bull Br Mus nat Hist (Zool), in 1971, in volume 21, issue 4, pages 67-98

Created: 2013-04-12, modified: 2013-04-12

Published in Contributions In Science (Los Angeles), in 2003, in volume 497, pages 1-78

Created: 2017-01-02, modified: 2023-02-16

Published in Journal of The New York Entomological Society, in 1973, in volume 81, issue 1, pages 42-49

Created: 2016-06-13, modified: 2016-06-13

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1921, pages 1-0

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1952, in 1884, pages 1-7

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1927, in 1878, pages 1-0

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1901, in 1867, pages 1-0

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1899, in 1860, pages 1-0

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1897, in 1860, pages 1-0

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1895, in 1859, pages 1-0

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1923, in 1874, pages 1-0

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1917, in 1873, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1913, in 1873, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1971, in 1885, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1907, in 1871, pages 1-0

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1905, in 1871, pages 1-0

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1925, in 1875, pages 1-0

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1903, in 1870, pages 1-0

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1910, in 1873, pages 1

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1990, in 1887, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1975, in 1886, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1979, in 1886, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1983, in 1886, pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1973, in 1886, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2125, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2021, pages 1-5

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2080, in 1890, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1909, in 1871, pages 1

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2123, in 1895, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2017, pages 1-4

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2060, pages 1-9

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2054, pages 1-6

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1948, in 1884, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1950, in 1884, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1929, in 1880, pages 1-31

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1931, in 1881, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1933, in 1881, pages 1-4

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1937, in 1881, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1939, in 1881, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1941, in 1882, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1943, in 1882, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1945, in 1884, pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1966, in 1884, pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1969, in 1885, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1959, in 1884, pages 1-39

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-1963, in 1884, pages 1-3

Created: 2017-06-24, modified: 2017-06-24