The wild flowers of California; their names, haunts, and habits; by Mary Elizabeth Parsons; illustrated by Margaret Warriner Buck - Parsons, Mary Elizabeth (Payot, Upham, & company, 1902)

The wild flowers of California : their names, haunts, and habits / by Mary Elizabeth Parsons ; illustrations by Margaret Warriner Buck - Parsons, Mary Elizabeth (Cunningham, Curtiss & Welch, 1907)

Wild medicinal plants of the United States - United States. Bureau of Plant Industry. (G.P.O, 1906)

Wissenschaftliche Ergebnisse der Deutschen Tiefsee-Expedition auf dem Dampfer "Valdivia" 1898-1899 - Chun, Carl, 1852 -1914 (G. Fischer, 1922)

Wissenschaftliche Ergebnisse der Deutschen Tiefsee-Expedition auf dem Dampfer "Valdivia" 1898-1899 - Chun, Carl, 1852 -1914 (G. Fischer, 1906)

Wissenschaftliche Mitteilungen aus Bosnien und Herzegovina (1893)

Woolson & Co.'s catalogue of hardy perennial plants and price list : spring and fall of 1879 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Woolson & Co, 1879)

Woolson & Co.'s catalogue of hardy perennial plants, bulbs, ferns, and climbers : spring and fal of 1881 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Woolson & Co, 1881)

Woolson & Co.'s descriptive catalogue of hardy perennial plants and price list : spring and fall of 1880 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Woolson & Co, 1880)

you hua zhi wu ke zhi shuang zi ye zhi wu - Hutchinson, J. (John) 1884 -1972 (shang wu yin shu guan)

yun nan zhi wu zhi - yun nan sheng zhi wu yan jiu suo (ke xue chu ban she, 1977)

zhong guo zhong zi zhi wu ke shu ci dian - Hou, Kuanzhao 侯宽昭 (ke xue chu ban she, 1982)

Ziva : casopis pro biologickou práci - Akademie ved Ceské republiky (Academia, 1858)

Zoe:a biological journal (Zoe Publishing Co, 1890)

Zoe:a biological journal (Zoe Publishing Co, 1891)

Zoe:a biological journal (Zoe Publishing Co, 1892)

Zoe:a biological journal (Zoe Publishing Co, 1893)

Zoe:a biological journal (Zoe Publishing Co, 1894)

Les zoocécidies des plantes d'Afrique, d'Asie et d'Océanie : description des galles, illustration, bibliographie détaillée, répartition géographique, index bibliographique - Houard, C. (Clodomir), 1873 -1943 (J. Hermann, 1922)