Yazar
ronald j tyrl
7 cilt bulundu.
Cilt sonuçları
Dyes from American native plants
Lynne Richards, Ronald J. Tyrl · Timber Press, Incorporated
340 sayfa · 2005
Dyes and dyeing / Dye plants
Toxic plants of North America
George E. Burrows, Ronald J. Tyrl · Wiley & Sons, Limited, John
1390 sayfa · 2001
Poisonous plants / Botany, north america
Veterinarian's handbook of toxic plants of North America
George E. Burrows, Ronald J. Tyrl, George M. Burrows · Blackwell Pub.
320 sayfa · 2006
Physiological effect / Plant toxins / Poisonous plants / Veterinary toxicology / Botany & plant sciences
Field guide to Oklahoma plants
Ronald J. Tyrl · Dept. of Natural Resource Ecology and Management, Oklahoma State University
664 sayfa · 2008
Plants / Identification
The grasses and grasslands of Oklahoma
James R. Estes, Ronald J. Tyrl · Samuel Roberts Noble Foundation
182 sayfa · 1976
Grasses / Grasslands / Range management / Congresses