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> Ronald J. Tyrl
Ronald J. Tyrl
All books by Ronald J. Tyrl
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Displaying 9 Books
)
Cytogeography of Achillea millefolium L. in western Oregon
Ronald J. Tyrl
Dyes from American native plants
Lynne Richards
Field guide to Oklahoma plants
Ronald J. Tyrl
Field guide to Oklahoma plants
Ronald J. Tyrl
Field guide to Oklahoma plants
Ronald J. Tyrl
Origin and distribution of polyploid Achillea (Compositae) in western North America
Ronald J. Tyrl
The grasses and grasslands of Oklahoma
James R. Estes
Toxic plants of North America
George E. Burrows
Veterinarian's handbook of toxic plants of North America
George E. Burrows
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