Books

2012

    

Colorado Flora: Eastern Slope, A Field Guide to the Vascular Plants. Fourth Edition [with Ronald C. Wittmann; and with the assistance of Linna Weber Müller-Wille]. 555 pp., 104 line drawings, 1 map, 4 tables. University Press of Colorado. Paperback ISBN: 978-1-60732-140-8 ; EISBN: 978-1-60732-141-5
Colorado Flora: Western Slope, A Field Guide to the Vascular Plants. Fourth Edition [with Ronald C. Wittmann; and with the assistance of Linna Weber Müller-Wille]. 532 pp., 108 line drawings, 1 map, 4 tables. University Press of Colorado. Paperback ISBN: 978-1-60732-142-2 ; EISBN: 978-1-60732-143-9

2007

Bryophytes of Colorado: Mosses, Liverworts, and Hornworts [with R. C. Wittmann]. 238 pp. 8 plates. Pilgrims Process, Inc., Santa Fe.

2004

The Valley of the Second Sons: Letters from Theodore Dru Alison Cockerell written to his sweetheart and her brother about his life in West Cliff, Wet Mountain Valley, Colorado, 1887–1890. 566 pages, illustr. Pilgrims’ Process, Inc., Longmont, Colorado.

(As editor of) Horner, John. Colorado University—The Austere Years. 179 pp., illustr. University of Colorado.

2001

    

Colorado Flora: Eastern Slope. Third edition [with R. C. Wittmann]. 521 pp., 103 line drawings. University Press of Colorado.
Colorado Flora: Western Slope. Third edition [with R. C. Wittmann]. 488 pp., 107 line drawings. University Press of Colorado.

2000

The American Cockerell: A Naturalist’s Life, 1860–1948. 352 pages, 11 plates. University Press of Colorado. February. Hardcover ISBN: 978-0-87081-544-7

1998

A Rocky Mountain Lichen Primer [with J. N. Corbridge]. 47 pp., 72 plates. University Press of Colorado. Paperback ISBN: 978-0-87081-490-7

1997

King of Colorado Botany. Charles Christopher Parry, 1823–1890. 183 pp., 5 plates. University Press of Colorado.

1996

    

Colorado Flora: Eastern Slope. Second Edition. 524 pp., 103 line drawings. University Press of Colorado.
Colorado Flora: Western Slope. Second Edition. 496 pp., 107 line drawings. University Press of Colorado.

1992

Catalog of the Colorado Flora: a Biodiversity Baseline. (with Ronald C. Wittmann). 215 pp. University Press of Colorado.

1990

Colorado Flora: Eastern Slope. 530 pp, 64 colored plates, 115 line drawings. University Press of Colorado.

1987

Colorado Flora: Western Slope. 530 pp, 64 color plates, 107 line drawings, 1 map. University Press of Colorado.

1976

Theodore D. A. Cockerell: Letters from West Cliff, Colorado, 1887–1889. 222 pp., illustr. Colorado Associated University Press. (received Centennial Medal)

Rocky Mountain Flora, Fifth edition revised. 479 pp., 375 figs., 32 colored plates. Colorado Associated University Press. Paperback ISBN: 978-0-87081-068-8
Natural History Inventory of Colorado, I. Vascular plants, lichens and bryophytes (with Barry C. Johnston). 206 pp. Computer-generated. Univ of Colorado Museum.

1973

Guide to the mosses of Colorado; keys and ecological notes based on field and herbarium studies. INSTAAR, Occ. Pap. 6: iii+48 pp. offset.

1972

[Scheda for] Cryptogamae Formationum Coloradensium. Centuries I–VI, numbers 1–615, 1905-1908, distributed by Frederick Edward Clements (1874–1945) and Edith Gertrude Schwartz Clements (1877–1971). 66 pages, offset. Printed by the New York Botanical Garden.
Catalogue of the lichens of Australia exclusive of Tasmania [with Clifford Wetmore]. Nova Hedwigia, Beihefte. 41:i–vi, –137.

Rocky Mountain Flora. Fourth edition. 437 pp., 16 color plates. Colorado Associated University Press.
Random-Access key to the genera of Colorado mosses [with Patricia Nelson]. 203 cards, booklet. Univ. of Colorado Museum.

The Torrey Botanical Club Centennial Celebration of the dedication of Gray’s and Torrey’s Peaks. Souvenir Booklet. 22 pp., with facsimile reproduction of The Colorado Miner for Aug. 22, 1872.

1969

Grand Canyon. Daily Log and Guide Book for Field Trip No. 1. XI International Botanical Congress. 100 pages.

Wildlife and Plants of the Southern Rocky Mountains [with R. C. Beidleman, C. F. Yocom & D. Malick]. The Naturegraph Company.

1967

Rocky Mountain Flora. 437 pp., 346 illustr. Univ. of Colorado Press.

1965

Theodore Dru Alison Cockerell, 1866-1948 (Biobibliography). Univ. Colorado Studies, Ser. Bibliography 1:1–124. frontispiece.
Wildlife and Plants of the Southern Rocky Mountains [with R. C. Beidleman & C. F. Yocom]. The Naturegraph Company.

1961

Handbook of Plants of the Colorado Front Range. 2nd ed., revised. Univ. of Colorado Press.

1953

Handbook of Plants of the Colorado Front Range. 232 pp., 68 figs. Univ. of Colorado Press, Boulder.