An illustrated guide to the ferns and fern allies of Shenandoah National Park, Virginia

Peter M. Mazzeo

1981

Reports upon the botanical collections made in portions of Nevada, Utah, California, Colorado, New Mexico and Arizona

Joseph T. Rothrock

1878

Flora of North America

Flora of North America Editorial Committee

1993

The ferns of Great Britain and their allies the club-mosses, pepperworts, and horsetails

Anne Pratt

1871

An analysis of the British ferns and their allies

George William Francis

1850

Flora Malesiana

C. G. G. J. van Steenis

1959

The ferns of Britain and Ireland

C. N. Page

1982

Systematics of the New World species of Marsilea (Marsileaceae)

Johnson, David M.

1986

Catalogue of Canadian plants

John Macoun

1883

Ferns

C. Colston Burrell

1994

Ferns and fern allies of Canada

William J. Cody

1989

Field book of common ferns

Herbert Durand

1928

The illustrated field guide to ferns and allied plants of the British Isles

Clive Jermy, A. C. Jermy, Josephine Camus

1991

The British ferns popularly described

George William Johnson

1859

The morphology of pteridophytes

K. R. Sporne

1962

Malayan fern allies

C. R. W. K. van Alderwerelt van Rosenburgh

1915

The morphology of pteridophyles

K. R. Sporne

1970

The fern guide

Edgar Theodore Wherry

1961

Ferns to know and grow

F. Gordon Foster

1971

The Ferns of Ceylon

Lorenzo Gordin Yates

1887

The morphology of pteridophytes

K. R Sporne

1962

On the germination, development, and fructification of the higher Cryptogamia

Wilhelm Friedrich Benedict Hofmeister

1862

Index filicum

Carl Frederik Albert Christensen

1973

Ferns of Kentucky

Williamson, John

1878

Our native ferns and their allies

Lucien Marcus Underwood

1888

The ZX programmer's companion

Grant, John

1984

Ferns: British & foreign

John Smith

1866

Species filicum

Hooker, William Jackson Sir

1846

Revised list of Hawaiian Pteridophyta

Carl Frederik Albert Christensen

1925

British ferns and their allies

Moore, Thomas

1861