- Biosystematics of Triticeae : Volume II. Genera: Secale, Tritiosecale, Pseudosecale, Eremopyrum, Henrardia, Taeniantherum, Heteranthelium, Crithopsis, and Hordeum
- Biosystematics of Triticeae: Volume I. Triticum-Aegilops complex
- Biosystematics of Triticeae: Volume V. Genera: Campeiostachys, Elymus,Pascopyrum, Lophopyrum, Trichopyrum, Hordelymus, Festucopsis, Peridictyon, and Psammopyrum
- Constitution of Organs of the Higher Plants: The multiple secondary axis theory
- Biosystematics of Triticeae: Volume V. Genera: Campeiostachys, Elymus,Pascopyrum, Lophopyrum, Trichopyrum, Hordelymus, Festucopsis, Peridictyon, and Psammopyrum






