Frequencies of nodulation response alleles, Rj₂ and Rj₄, in soybean plant introduction and breeding lines /

Chiefly tables.

The American plant migration. The potato. / by Berthold Laufer, Late Curator, Dept. of Anthropology. Prepared for publication by C. Martin Wilbur, Curator, Chinese Archaeology and Ethnology.

v.28(1938)

Inventory of seeds and plants imported / U.S. Department of Agriculture, Bureau of Plant Industry.

62-73, 1923-1924

Inventory of seeds and plants imported / U.S. Department of Agriculture, Bureau of Plant Industry.

48-61, 1921-1922

Inventory of seeds and plants imported / U.S. Department of Agriculture, Bureau of Plant Industry.

37-47

Annual technical report of the National Plant Materials Center.

Description based on: 1979.

Bulletin of foreign plant introductions.

Description based on: No. 8 (Dec. 8 to 28, 1908); title from caption.

Chinese plant names,

Electrotyped for the Office of foreign seed and plant introduction, Bureau of plant industry, Department of agriculture ...

The Botanical register :consisting of coloured figures of ...

v. 1 (1815)

The Botanical register :consisting of coloured figures of ...

v. 2 (1816)

The Botanical register :consisting of coloured figures of ...

v. 3 (1817)

The Botanical register :consisting of coloured figures of ...

v. 4 (1818)

The Botanical register :consisting of coloured figures of ...

v. 5 (1819)

The Botanical register :consisting of coloured figures of ...

v. 6 (1820)

The Botanical register :consisting of coloured figures of ...

v. 7 (1821)