Papers

3,546,206 papers, each with the model’s scope judgment. Claims were extracted from core papers only.

Scope judgment of all papers

11,758,718 claims extracted from the core papers, 6.5 per paper on average.

Research areas

Published

1960

3,639 papers

Ecology, evolution & diversity ✕1960s ✕
  1. 1969

    Core plant researchdirect plant researchcited 11×

    FINE STRUCTURE OF PETROBINAE (COMPOSITAE‐HELIANTHEAE) POLLEN WALLS

    John J. Skvarla; B. L. Turner American Journal of Botany 1969. doi:10.1002/j.1537-2197.1969.tb07552.x

    2claims
  2. 1969

    Core plant researchplant interactioncited 26×

    Studies in the ecology of the Riverine Plain. V. Plant density response of species in a Danthonia caespitosa grassland to 16 years of grazing by Merino sheep

    OB Williams Australian Journal of Botany 1969. doi:10.1071/bt9690255

    5claims
  3. 1969

    Core plant researchdirect plant researchcited 14×

    THE ORIGIN AND RELATIONSHIPS OF LASTHENIA BURKEI (COMPOSITAE)

    Robert Ornduff American Journal of Botany 1969. doi:10.1002/j.1537-2197.1969.tb09757.x

    11claims
  4. 1969

    Core plant researchdirect plant researchcited 11×

    Chromosome numbers of some North American Arctic and Boreal Salix

    Yutaka Suda; G. W. Argus Canadian Journal of Botany 1969. doi:10.1139/b69-124

    9claims
  5. 1969

    Core plant researchdirect plant researchcited 1×

    Effect of Corn Steep Liquor for Erosion Control and Vegetative Establishment on Highway Backslopes

    B. L. Schmidt; G. S. Taylor; R. W. Miller Agronomy Journal 1969. doi:10.2134/agronj1969.00021962006100020013x

    6claims
  6. 1969

    Core plant researchdirect plant researchcited 4×

    Additions to the Hepaticae of New Mexico

    Paul V. Prior The Bryologist 1969. doi:10.1639/0007-2745(1969)72[69:atthon]2.0.co;2

    2claims
  7. 1969

    Core plant researchdirect plant researchcited 48×

    Plant Succession on the Sand Dunes of the Oregon Coast

    M. L. Kumler Ecology 1969. doi:10.2307/1936262

    8claims
  8. 1969

    Core plant researchdirect plant researchcited 18×

    A Study of Isoetes Common to the Granite Outcrops of the Southeastern Piedmont, United States

    James F. Matthews; William H. Murdy Botanical Gazette 1969. doi:10.1086/336469

    11claims
  9. 1969

    Core plant researchdirect plant researchcited 7×

    NATURAL SELECTION IN A COMPOSITE CROSS OF BARLEY

    L. N. Singh; L. P. V. Johnson Canadian Journal of Genetics and Cytology 1969. doi:10.1139/g69-004

    6claims
  10. 1969

    Core plant researchdirect plant research

    Fissidens asplenioides on the Gulf Coastal Plain

    William D. Reese; Andrew W. Westling The Bryologist 1969. doi:10.1639/0007-2745(1969)72[71:faotgc]2.0.co;2

    1claim
  11. 1969

    Core plant researchdirect plant researchcited 15×

    BIOSYSTEMATIC STUDIES ON SPERGULARIA MEDIA AND S. MARINA IN THE NETHERLANDS II: THE MORPHOLOGICAL VARIATION OF S. MARINA*1

    A. A. Sterk Acta Botanica Neerlandica 1969. doi:10.1111/j.1438-8677.1969.tb00613.x

    9claims
  12. 1969

    Core plant researchdirect plant researchcited 5×

    Studies in the Carex glareosa complex 1. Friut‐shape

    G. Halliday; A. O. Chater Feddes Repertorium 1969. doi:10.1002/fedr.19690800202

    3claims
  13. 1969

    Core plant researchdirect plant researchcited 10×

    Atriplex polycarpa: II. Germination and Growth in Water Cultures Containing High Levels of Boron1

    N. J. Chatterton; C. M. McKell; J. R. Goodin; et al. Agronomy Journal 1969. doi:10.2134/agronj1969.00021962006100030036x

    9claims
  14. 1969

    Core plant researchdirect plant researchcited 3×

    SOME COMMENTS CONCERNING THE REDUCTION OF THE GENUS THYSANOSPERMUM TO COPTOSAPELTA (RUBIACEAE)

    C. G. G. J. van Steenis American Journal of Botany 1969. doi:10.1002/j.1537-2197.1969.tb09729.x

    2claims
  15. 1969

    Core plant researchdirect plant researchopen accesscited 13×

    Karyotype Analysis inTriticum: II — Analysis ofT. AraraticumJakubz. andT. TimopheeviZhuk. and Their Relationships with Other Tetraploid Wheats

    A. Bozzini; B. Giorgi Caryologia 1969. doi:10.1080/00087114.1969.10796345

    5claims
  16. 1969

    Core plant researchdirect plant researchcited 32×

    Oil glands and ducts in Eucalyptus L'Hérit. I. The phloem and the pith

    SGM Carr; DJ Carr Australian Journal of Botany 1969. doi:10.1071/bt9690471

    10claims
  17. 1969

    Core plant researchdirect plant researchopen accesscited 12×

    Karyotype Analysis inTriticum: IV — Analysis of (Aegilops Speltoides×Triticum Boeoticum) Amphiploid and a Hypothesis on the Evolution of Tetraploid Wheats

    B. Giorgi; A. Bozzini Caryologia 1969. doi:10.1080/00087114.1969.10796348

    8claims
  18. 1969

    Core plant researchdirect plant researchopen accesscited 19×

    A synopsis of infrageneric categories in Celmisia (Astereae‐compositae)

    D. R. Given New Zealand Journal of Botany 1969. doi:10.1080/0028825x.1969.10428854

    3claims
  19. 1969

    Core plant researchdirect plant research

    The biosystematics of Trillium rugelii from Rutherford County, North Carolina

    Cornelia Ann Serota Canadian Journal of Botany 1969. doi:10.1139/b69-060

    8claims
  20. 1969

    Core plant researchdirect plant researchcited 31×

    VARIATION OF CHEMICAL CONSTITUENTS AND MORPHOLOGICAL CHARACTERS WITHIN AND BETWEEN ALFALFA POPULATIONS

    D. H. Heinrichs; J. E. Troelsen; F. G. Warder Canadian Journal of Plant Science 1969. doi:10.4141/cjps69-051

    7claims
  21. 1969

    Core plant researchdirect plant researchcited 9×

    The use of lodicule type in assessing the origin of Avena fatuoids

    Bernard R. Baum Canadian Journal of Botany 1969. doi:10.1139/b69-134

    4claims
  22. 1969

    Core plant researchdirect plant researchopen accesscited 8×

    NOTE ON THE CYTOLOGY OF AN F1 HYBRID BETWEEN SILENE DICLINIS (LAG.) M. LAINZ AND S. HEUFFELII SÓO

    PIERRE MORISSET; GABRIELLE V. BOZMAN New Phytologist 1969. doi:10.1111/j.1469-8137.1969.tb06519.x

    9claims
  23. 1969

    Core plant researchdirect plant researchcited 27×

    ON STROMATOPTERIS AND ITS ILL‐DEFINED ORGANS

    David W. Bierhorst American Journal of Botany 1969. doi:10.1002/j.1537-2197.1969.tb07519.x

    9claims
  24. 1969

    Core plant researchplant reviewcited 6×

    Evolutionary mechanisms in tropical ferns

    I. MANTON Biological Journal of the Linnean Society 1969. doi:10.1111/j.1095-8312.1969.tb01820.x

    5claims
  25. 1969

    Core plant researchdirect plant researchcited 18×

    Ecotypic Variation of Eurotia lanata Populations in Utah

    John P. Workman; Neil E. West Botanical Gazette 1969. doi:10.1086/336465

    7claims