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1

A Numerical Analysis of Flavonoid Variation in Arnica Subgenus Austromontana (Asteraceae)

Steven J. Wolf and Richard Whitkus

Journal:

American Journal of Botany

Year:

1987

Language:

english

File:

PDF, 1.19 MB

english, 1987

2

Genetics of adaptive radiation in Hawaiian species of Tetramolopium (Asteraceae). III. Evolutionary genetics of sex expression

Whitkus, Richard, Doan, Hahn, Lowrey, Timothy K

Journal:

Year:

2000

Language:

english

File:

PDF, 152 KB

english, 2000

3

Analysis of cross-compatibility inEriastrum densifolium(Polemoniaceae)

Mark S. Brunell, Richard Whitkus

Journal:

Plant Systematics and Evolution

Year:

1999

Language:

english

File:

PDF, 863 KB

english, 1999

4

Chromosomes tell half of the story: the correlation between karyotype rearrangements and genetic diversity in sedges, a group with holocentric chromosomes

ANDREW L. HIPP, PAUL E. ROTHROCK, RICHARD WHITKUS, JAIME A. WEBER

Journal:

Molecular Ecology

Year:

2010

Language:

english

File:

PDF, 674 KB

english, 2010

5

Allozyme Variation within and between Populations of Coreopsis latifolia (Asteraceae)

Daniel J. Crawford, Barbara J. Post, Richard Whitkus

Journal:

Plant Species Biology

Year:

1988

File:

PDF, 1.06 MB

1988

6

Genetic Structure in a Heterocyanic Population of Trillium sessile (Liliaceae)

Richard Whitkus, Finley A. Bryan, Donald H. Les, Lucy E. Tyrrell

Journal:

Plant Species Biology

Year:

1987

File:

PDF, 1.40 MB

1987

7

Susceptibility to Phytophthora ramorum in a key infectious host: landscape variation in host genotype, host phenotype, and environmental factors

Brian L. Anacker, Nathan E. Rank, Daniel Hüberli, Matteo Garbelotto, Sarah Gordon, Tami Harnik, Richard Whitkus, Ross Meentemeyer

Journal:

New Phytologist

Year:

2008

Language:

english

File:

PDF, 426 KB

english, 2008

8

Origins of cacao cultivation

Cruz, Marlene de la, Whitkus, Richard, Gómez-Pompa, Arturo, Mota-Bravo, Luis

Journal:

Year:

1995

File:

PDF, 258 KB

1995

9

Genetics of adaptive radiation in Hawaiian species of Tetramolopium (Asteraceae). III. Evolutionary genetics of sex expression

Richard Whitkus, Hahn Doan, Timothy K. Lowrey

Journal:

Year:

2000

Language:

english

File:

PDF, 152 KB

english, 2000

10

Distribution of Spontaneous Plant Hybrids

Norman C. Ellstrand, Richard Whitkus and Loren H. Rieseberg

Journal:

Proceedings of the National Academy of Sciences

Year:

1996

Language:

english

File:

PDF, 791 KB

english, 1996

11

Editors' Report for Volume 59

Ritter, Matt, Whitkus, Richard

Journal:

Year:

2012

Language:

english

File:

PDF, 25 KB

english, 2012

12

Editors' Report for Volume 58

Lowrey, Tim, Whitkus, Richard

Journal:

Year:

2011

Language:

english

File:

PDF, 20 KB

english, 2011

13

Editors’ Report for Volume 56

Lowrey, Tim, Whitkus, Richard

Journal:

Year:

2009

Language:

english

File:

PDF, 24 KB

english, 2009

14

Editors' Report for Volume 57

Lowrey, Tim, Whitkus, Richard

Journal:

Year:

2010

Language:

english

File:

PDF, 24 KB

english, 2010

15

Editors' Report For Volume 60

Ritter, Matt, Whitkus, Richard

Journal:

Year:

2013

Language:

english

File:

PDF, 24 KB

english, 2013

16

Editors' Note

Lowrey, Timothy, Whitkus, Richard

Journal:

Year:

2010

Language:

english

File:

PDF, 23 KB

english, 2010

17

A contribution to the taxonomy of the Carex macloviana aggregate (Cyperaceae) in western Canada and Alaska

Whitkus, Richard, Packer, John G.

Journal:

Canadian Journal of Botany

Year:

1984

Language:

english

File:

PDF, 1.11 MB

english, 1984

18

Assessment of Morphological Variation in Eriastrum densifolium (Polemoniaceae): Implications for Subspecific Delimitation and Conservation

Brunell, Mark S., Whitkus, Richard

Journal:

Systematic Botany

Year:

1998

Language:

english

File:

PDF, 1.96 MB

english, 1998

19

Experimental Hybridizations Among Chromosome Races of Carex pachystachya and the Related Species C. macloviana and C. preslii (Cyperaceae)

Whitkus, Richard

Journal:

Systematic Botany

Year:

1988

Language:

english

File:

PDF, 957 KB

english, 1988

20

Allozyme Divergence and the Mode of Speciation for Coreopsis gigantea and C. maritima (Compositae)

Crawford, Daniel J., Whitkus, Richard

Journal:

Systematic Botany

Year:

1988

Language:

english

File:

PDF, 1.01 MB

english, 1988

21

A New Species Of Tetramolopium (Asteraceae) from Mitiaro, Cook Islands: Biogeography, Phylogenetic Relationships, and Dispersal

Lowrey, Timothy K., Whitkus, Richard, Sykes, William R.

Journal:

Systematic Botany

Year:

2005

Language:

english

File:

PDF, 282 KB

english, 2005

22

Allozyme Variation within the Carex pachystachya Complex (Cyperaceae)

Richard Whitkus

Journal:

Systematic Botany

Year:

1992

Language:

english

File:

PDF, 892 KB

english, 1992

23

A New Species of Tetramolopium (Asteraceae) from Mitiaro, Cook Islands: Biogeography, Phylogenetic Relationships, and Dispersal

Timothy K. Lowrey, Richard Whitkus and William R. Sykes

Journal:

Systematic Botany

Year:

2005

Language:

english

File:

PDF, 1.61 MB

english, 2005

24

Chromosome Counts of Carex Section Ovales

Richard Whitkus

Journal:

Botanical Gazette

Year:

1991

Language:

english

File:

PDF, 1.29 MB

english, 1991

25

RAPD Marker Variation in Eriastrum densifolium (Polemoniaceae): Implications for Subspecific Delimitation and Conservation

Mark S. Brunell and Richard Whitkus

Journal:

Systematic Botany

Year:

1997

Language:

english

File:

PDF, 1.23 MB

english, 1997

26

Genetics of Adaptive Radiation in Hawaiian and Cook Islands Species of Tetramolopium (Asteraceae; Astereae). I. Nuclear RFLP Marker Diversity

Miki Okada, Richard Whitkus and Timothy K. Lowrey

Journal:

American Journal of Botany

Year:

1997

Language:

english

File:

PDF, 1.89 MB

english, 1997

27

CHROMOSOME NUMBERS OF SOME NORTHERN NEW JERSEY CARICES

Richard Whitkus

Journal:

Year:

1981

Language:

english

File:

PDF, 358 KB

english, 1981

28

Susceptibility to Phytophthora ramorum in a Key Infectious Host: Landscape Variation in Host Genotype, Host Phenotype, and Environmental Factors

Brian L. Anacker, Nathan E. Rank, Daniel Hüberli, Matteo Garbelotto, Sarah Gordon, Tami Harnik, Richard Whitkus and Ross Meentemeyer

Journal:

New Phytologist

Year:

2008

Language:

english

File:

PDF, 2.31 MB

english, 2008

29

FORTRAN program for computing genetic statistics from allelic frequency data

Whitkus, Richard

Journal:

Journal of Heredity

Year:

1985

Language:

english

File:

PDF, 117 KB

english, 1985

30

A NUMERICAL ANALYSIS OF FLAVONOID VARIATION IN ARNICA SUBGENUS AUSTROMONTANA (ASTERACEAE)

Wolf, Steven J., Whitkus, Richard

Journal:

American Journal of Botany

Year:

1987

File:

PDF, 540 KB

1987

31

Development of Arm Specific RAPD Markers for Rye Chromosome 2R in Wheat

Brunell, Mark S., Lukaszewski, Adam J., Whitkus, Richard

Journal:

Year:

1999

File:

PDF, 69 KB

1999