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Periodical

On the valid publication of Collinsia violacea Nuttall (Scrophylariaceae).

  • Authors : University of Maryland, College Park, MD; United States. Forest Service. Pacific Northwest Region.; Reveal J.L.

Subjects: Plant production; Plant taxonomy and geography; nomenclature

  • Source: Phytologia, 74, v.190-192(3).Phytologia (USA). (Mar 1993). v. 74(3) p. 190-192.

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Periodical

Infrageneric taxonomy of New World Erigeron (Compositae: Astereae).

  • Authors : University of Texas, Austin, TX; United States. Soil Conservation Service.; Nesom G.L.

Subjects: Plant production; Plant taxonomy and geography; america del sur

  • Source: Phytologia, 67, v.67-93(1).Phytologia (USA). (Jul 1989). v. 67(1) p. 67-93.

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Periodical

Reduction of the genera Piqueriopsis and Iltisia to Microsperum (Asteraceae, Eupatorieae).

  • Authors : United States. Forest Service. Intermountain Region.; Turner B.L.

Subjects: Plant production; Plant taxonomy and geography; genre

  • Source: Phytologia, 63, v.428-430(6).Phytologia (USA). (Nov 1987). v. 63(6) p. 428-430.

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Periodical

A Haleakala variety of Lobelia (Lobeliaceae). Hawaiian plant studies. 147.

  • Authors : United States. Forest Service. Intermountain Region.; St John H.; Medeiros A.C.

Subjects: Plant production; Plant taxonomy and geography; variedades

  • Source: Phytologia, 63, v.366(5).Phytologia (USA). (Sep 1987). v. 63(5) p. 366.

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Periodical

New combinations and taxa of Hepaticae. I.

  • Authors : United States. Agricultural Marketing Service. Cotton Division.; Schuster R.M.

Subjects: Plant production; Plant taxonomy and geography

  • Source: Phytologia, 45, v.415-437(5).Phytologia (USA). (Apr 1980). v. 45(5) p. 415-437.

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Periodical

New combinations in Tetraneuris Greene (Heliantheae, Asteraceae).

  • Authors : United States. Agricultural Marketing Service. Cotton Division.; Parker K.F.

Subjects: Plant production; Plant taxonomy and geography

  • Source: Phytologia, 45, v.467(6).Phytologia (USA). (Jun 1980). v. 45(6) p. 467.

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Periodical

Spiranthes chiangii (Orchidaceae), new species from the Chicuahuan desert region [Mexico].

  • Authors : United States. Agricultural Marketing Service. Cotton Division.; Johnston M.C.

Subjects: Plant production; Plant taxonomy and geography

  • Source: Phytologia, 45, v.449-450(6).Phytologia (USA). (Jun 1980). v. 45(6) p. 449-450.

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Periodical

Phytoplankton of the Tittabawassee River, Midland, Michigan.

  • Authors : United States. Forest Service.; Wujek D.E.; Rupp P.M.

Subjects: Plant production; Plant taxonomy and geography

  • Source: Phytologia, 45, v.255-269(3).Phytologia (USA). (Mar 1980). v. 45(3) p. 255-269.

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Periodical

Contribution to the lichen flora of Uruguay XIII. Lichens from Sierra Mahoma, San Jose department.

  • Authors : United States. Forest Service.; Osorio H.S.

Subjects: Plant production; Plant taxonomy and geography

  • Source: Phytologia, 45, v.217-220(3).Phytologia (USA). (Mar 1980). v. 45(3) p. 217-220.

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Periodical

Additional notes on the genus Congea. II.

  • Authors : United States. Forest Service.; Moldenke H.N.

Subjects: Plant production; Plant taxonomy and geography

  • Source: Phytologia, 45, v.270-280(3).Phytologia (USA). (Mar 1980). v. 45(3) p. 270-280.

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  • 1-10 of  19 results for ""United States""