Ronald J. Tyrl

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Books by Ronald J. Tyrl (50 max)

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Toxic Plants of North America

2001

George E. Burrows, Ronald J. Tyrl

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Handbook of Toxic Plants of North America

2006

George E. Burrows, Ronald J. Tyrl, George M. Burrows

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Cytogeography of Achillea millefolium L. in western Oregon

1968

Ronald J. Tyrl

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

1970

Ronald J. Tyrl

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The grasses and grasslands of Oklahoma: status of current research on the native and introduced grasses of the State : a symposium

1976

James R. Estes, Ronald J. Tyrl

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Field guide to Oklahoma plants: commonly encountered prairie, shrubland, and forest species

2002

Ronald J. Tyrl

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Dyes from American Native Plants: A Practical Guide

2005

Lynne Richards, Ronald J. Tyrl

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Field guide to Oklahoma plants commonly encountered prairie, shrubland, and forest species

2008

Ronald J. Tyrl

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Field guide to Oklahoma plants commonly encountered prairie, shrubland, and forest species

2008

Ronald J. Tyrl