The pages of the classic Flora of North America, (1838- 1843), by John Torrey and Asa Gray, contain approximately 200 references to plants from Alabama, Georgia, Louisiana, Arkansas, and Texas, collected by a certain Dr. Leavenworth….He was indeed the author of a number of botanical papers, but the promise of his early years was never fulfilled. His work is of interest to modern students chiefly because of the material from the then inaccessible West and Southwest , which he contributed to Torrey. He spent about five years at frontier posts in western Louisiana and what is now southeastern Oklahoma, and more than two years in northern Florida, and doubtless collected and turned over to Torrey considerably more than the 200 specimens that...
The southeastern United States, and in particular the part now embraced within the state of Florida,...
The author grew up in the prairie region of Kay County where he learned to appreciate proper managem...
Includes indexes.Vol. II has imprint: London : Henry G. Bohn, 1840.Botanical descriptions in Latin; ...
A herbarium is the means by which the plant life of a large area is sampled and made conveniently ac...
This paper lists published sources pertaining to the lives and work of seventy individuals who contr...
Published originally under title: Nouveaux voyages aux Indes Occidentales, Paris, 1768, and comprisi...
One of the more prolific botanical collectors in Texas in the late 19th century was G. C. Nealley, w...
Author Institution: Department of Botany, The University of Michigan, Ann Arbor, MichiganFrom 1836 t...
For about three months in 1945, and for a similar period in 1947, I was able to carry on field-work ...
by Prof. Amos EatonHandschriftliches Exlibris: "Georg Engelmann St Louis 1833" Exemplar der ETH-BIBH...
While the senior author was in training at Camp Barkeley, Taylor County, Texas, from September 1942 ...
In 1888 and 1889 the writer had the pleasure of spending a few months of two summers in studying a d...
I aim: (1) to distinguish by key the species of Dyssodia in Texas; (2) to map their Texas distributi...
Brown named Woodsia, is best known for his Tourist's Flora (1850) and for his pioneer work on t...
The first written descriptions of the flora of North America were those of sixteenth-century Europea...
The southeastern United States, and in particular the part now embraced within the state of Florida,...
The author grew up in the prairie region of Kay County where he learned to appreciate proper managem...
Includes indexes.Vol. II has imprint: London : Henry G. Bohn, 1840.Botanical descriptions in Latin; ...
A herbarium is the means by which the plant life of a large area is sampled and made conveniently ac...
This paper lists published sources pertaining to the lives and work of seventy individuals who contr...
Published originally under title: Nouveaux voyages aux Indes Occidentales, Paris, 1768, and comprisi...
One of the more prolific botanical collectors in Texas in the late 19th century was G. C. Nealley, w...
Author Institution: Department of Botany, The University of Michigan, Ann Arbor, MichiganFrom 1836 t...
For about three months in 1945, and for a similar period in 1947, I was able to carry on field-work ...
by Prof. Amos EatonHandschriftliches Exlibris: "Georg Engelmann St Louis 1833" Exemplar der ETH-BIBH...
While the senior author was in training at Camp Barkeley, Taylor County, Texas, from September 1942 ...
In 1888 and 1889 the writer had the pleasure of spending a few months of two summers in studying a d...
I aim: (1) to distinguish by key the species of Dyssodia in Texas; (2) to map their Texas distributi...
Brown named Woodsia, is best known for his Tourist's Flora (1850) and for his pioneer work on t...
The first written descriptions of the flora of North America were those of sixteenth-century Europea...
The southeastern United States, and in particular the part now embraced within the state of Florida,...
The author grew up in the prairie region of Kay County where he learned to appreciate proper managem...
Includes indexes.Vol. II has imprint: London : Henry G. Bohn, 1840.Botanical descriptions in Latin; ...