Daniel J. Howard
Title
Cited by
Cited by
Year
The general lineage concept of species, species criteria, and the process of speciation
K De Queiroz
Endless forms: species and speciation, 1998
14911998
Hybrid zones and the evolutionary process
RG Harrison, RG Harrison
Oxford University Press on Demand, 1993
7501993
Endless forms: species and speciation
S Raman
Oxford University Press on Demand, 1998
655*1998
Reinforcement: origin, dynamics, and fate of an evolutionary hypothesis
DJ Howard
Hybrid zones and the evolutionary process, 46-69, 1993
5881993
Clustering of contact zones, hybrid zones, and phylogeographic breaks in North America
NG Swenson, DJ Howard
The American Naturalist 166 (5), 581-591, 2005
4122005
Conspecific sperm and pollen precedence and speciation
DJ Howard
Annual Review of Ecology and Systematics 30 (1), 109-132, 1999
3051999
Genetic analysis of hybrid zones: numbers of markers and power of resolution
WJ Boecklen, DJ Howard
Ecology 78 (8), 2611-2616, 1997
2951997
The nonprofit starvation cycle
AG Gregory, D Howard
Stanford Social Innovation Review 7 (4), 49-53, 2009
2432009
A zone of overlap and hybridization between two ground cricket species
DJ Howard
Evolution 40 (1), 34-43, 1986
1811986
A randomized blinded clinical trial of a rapid colonic lavage solution (Golytely) compared with standard preparation for colonoscopy and barium enema
JJ Ernstoff, DGA Howard, JB Marshall, A Jumshyd, AJ McCullough
Gastroenterology 84 (6), 1512-1516, 1983
1751983
HOW DISCRETE ARE OAK SPECIES? INSIGHTS FROM A HYBRID ZONE BETWEEN QUERCUS GRISEA AND QUERCUS GAMBELII
DJ Howard, RW Preszler, J Williams, S Fenchel, WJ Boecklen
Evolution 51 (3), 747-755, 1997
1481997
Reinforcement: the road not taken
JL Marshall, ML Arnold, DJ Howard
Trends in Ecology & Evolution 17 (12), 558-563, 2002
1442002
A postinsemination barrier to fertilization isolates two closely related ground crickets
PG Gregory, DJ Howard
Evolution 48 (3), 705-710, 1994
1431994
Conspecific sperm precedence is an effective barrier to hybridization between closely related species
DJ Howard, PG Gregory, J Chu, ML Cain
Evolution 52 (2), 511-516, 1998
1341998
GENETIC DIFFERENTIATION AMONG HOST‐ASSOCIATED POPULATIONS OF THE GALLMAKER EUROSTA SOLIDAGINIS (DIPTERA: TEPHRITIDAE)
GL Waring, WG Abrahamson, DJ Howard
Evolution 44 (6), 1648-1655, 1990
1261990
Do suture zones exist?
NG Swenson, DJ Howard
Evolution 58 (11), 2391-2397, 2004
1022004
Reproductive processes in two oak (Quercus) contact zones with different levels of hybridization
JH Williams, WJ Boecklen, DJ Howard
Heredity 87 (6), 680-690, 2001
942001
Post-insemination signalling systems and reinforcement
DJ Howard, PG Gregory
Philosophical Transactions of the Royal Society of London. Series B …, 1993
901993
Endless forms: species and speciation
K De Queiroz, DJ Howard, SH Berlocher
Oxford University press 57, 75, 1998
891998
Sperm and speciation
DJ Howard, SR Palumbi, LM Birge, MK Manier
Sperm biology, 367-403, 2009
872009
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