Ronald J. Tyrl

Identifiers

Open LibraryOL1438895A

Top Subjects

Science / Botany (2)
Plants (2)
Identification (2)
Oklahoma (2)
Achillea millefolium (1)
Polyploidy (1)
United States (1)

Books by Ronald J. Tyrl

Total count: 7

Cytogeography of Achillea millefolium L. in western Oregon

1968-01-01
Origin and distribution of polyploid Achillea (Compositae) in western North America

1970-01-01
Dyes from American Native PlantsA Practical Guide

Timber Press, Incorporated2005-06-01
Handbook of Toxic Plants of North America1 edition

Blackwell Publishing Limited2006-06-01
Field guide to Oklahoma plantscommonly encountered prairie, shrubland, and forest species2nd ed. / Ronald J. Tyrl ... [et al.] ; illustrations by Bellamy Parks Jansen.

Dept. of Natural Resource Ecology and Management, Oklahoma State University2008-01-01
Field guide to Oklahoma plantscommonly encountered prairie, shrubland, and forest species2nd ed. / Ronald J. Tyrl ... [et al.] ; illustrations by Bellamy Parks Jansen.

Dept. of Natural Resource Ecology and Management, Oklahoma State University2008-01-01
Toxic Plants of North America

Wiley & Sons, Limited, John2012-01-01