Papers authored by D. H. Les (exclusive of abstracts & reviews)

featured covers:


 Marathrum Mourera Myriophyllum Najas Nymphaea








Nymphoides Posidonia Potamogeton
 Vallisneria Vallisneria Villarsia

(PDF files are available if link is underlined)


  

Year
 Authorship
 Title
 Link
1) 1979. Les, Donald H. and M. A. Miller. Biometric analysis of lenticel development in Red-Osier Dogwood (Cornus stolonifera Michx.) in relation to soil moisture content.  Michigan Academician 12: 217-219. [PDF]
2) 1980. Wunderlin, R. P. and D. H. Les. Nymphaea ampla (Nymphaeaceae) a water-lily new to Florida.  Phytologia 45: 82-84. [PDF]
3)
 1981. Les, D. H. and R. P. Wunderlin. Hygrophila polysperma (Acanthaceae) in Florida.  Florida Scientist 44: 189-192. [PDF]
4)
 1983. Les, D. H. Taxonomic implications of aneuploidy and polyploidy in Potamogeton (Potamogetonaceae).  Rhodora 85: 301-323. [PDF]
5)
 1984. Stuckey, R. L. and D. H. Les. Pistia stratiotes (Water Lettuce) recorded from Florida in Bartram's Travels, 1765-74.  Aquaphyte 4(2): 1,6. [PDF]
6)
 1985. Les, D. H. The taxonomic significance of plumule morphology in Ceratophyllum (Ceratophyllaceae).  Systematic Botany 10: 338-346.
 [PDF]
7)
 1985. Les, D. H. Ceratophyllaceae.  Pp. 97-102 In: G. J. Leach and P. L. Osborne (eds.), The Freshwater Plants of Papua New Guinea. UPNG Press. [PDF]
8)
 1985. Les, D. H. and R. L. Stuckey. The introduction and spread of Veronica beccabunga (Scrophulariaceae) in eastern North America.  Rhodora 87: 503-515.
 [PDF]
9)
 1986. Les, D. H. The phytogeography of Ceratophyllum demersum and C. echinatum (Ceratophyllaceae) in glaciated North America.  Canadian Journal of Botany 64: 498-509. [LINK]
10)
 1986. Les, D. H. The evolution of achene morphology in Ceratophyllum (Ceratophyllaceae), I. Fruit-spine variation and relationships of C. demersum, C. submersum, and C. apiculatum.  Systematic Botany 11: 549-558. [PDF]
11)
 1987. Whitkus, R., F. A. Bryan, D. H. Les and L. E. Tyrrell. Genetic structure in a heterocyanic population of Trillium sessile (Liliaceae).  Plant Species Biology 2: 1-7. [PDF]
12)
 1988. Les, D. H. The evolution of achene morphology in Ceratophyllum (Ceratophyllaceae), II. Fruit variation and systematics of the "spiny-margined" group.  Systematic Botany 13: 73-86. [PDF]
13) 1988. Les, D. H. The origin and affinities of the Ceratophyllaceae.  Taxon 37: 326-345.
 [PDF]
14) 1988. Les, D. H. The evolution of achene morphology in Ceratophyllum (Ceratophyllaceae), III. Relationships of the "facially-spined" group.  Systematic Botany 13: 509-518. [PDF]
15) 1988. Les, D. H. Breeding systems, population structure, and evolution in hydrophilous angiosperms.  Annals of the Missouri Botanical Garden 75: 819-835. [PDF]
16) 1989. Les, D. H., F. A. Bryan, L. E. Tyrrell and R. Whitkus. Biochemical basis of floral color polymorphism in a heterocyanic population of Trillium sessile (Liliaceae).  American Journal of Botany 76: 23-29. [PDF]
17) 1989. Les, D. H. The evolution of achene morphology in Ceratophyllum (Ceratophyllaceae), IV. Summary of proposed relationships and evolutionary trends.  Systematic Botany 14: 254-262. [PDF]
18) 1989. Les, D. H. Correct authorship citation for Ceratophyllales.  Taxon 38: 483-484. [PDF]
19) 1990. Les, D. H. and D. J. Sheridan. Hagstrom's concept of phylogenetic relationships in Potamogeton L. (Potamogetonaceae).  Taxon 39: 41-58. [PDF]
20) 1990. Les, D. H. and D. J. Sheridan. Biochemical heterophylly and flavonoid evolution in North American Potamogeton (Potamogetonaceae).  American Journal of Botany 77: 453-465. [PDF]
21) 1990. Herendeen, P. S., D. H. Les and D. L. Dilcher. Fossil Ceratophyllum (Ceratophyllaceae) from the tertiary of North America.  American Journal of Botany 77: 7-16. [PDF]
22) 1991. Les, D. H. Genetic diversity in the monoecious hydrophile Ceratophyllum (Ceratophyllaceae).  American Journal of Botany 78: 1070-1082. [PDF]
23) 1991. Les, D. H., J. A. Reinartz and E. J. Esselman. Genetic consequences of rarity in Aster furcatus (Asteraceae), a threatened, self-incompatible plant.  Evolution 45: 1641-1650. [PDF]
24) 1991. Les, D. H., D. K. Garvin and C. F. Wimpee. Molecular evolutionary history of ancient aquatic angiosperms.  Proceedings of the National Academy of Sciences, USA 88: 10119-10123. [PDF]
25) 1992. Les, D. H., J. A. Reinartz and L. A. Leitner. Distribution and habitats of the forked aster (Aster furcatus: Asteraceae), a threatened Wisconsin plant.  Michigan Botanist 31: 143-152. [see also University of Wisconsin-Milwaukee Field Station Bulletin 24: 1-14; 1991. [PDF]
26) 1993. Les, D. H. and C. T. Philbrick. Studies of hybridization and chromosome number variation in aquatic plants: evolutionary implications.  Aquatic Botany 44: 181-228. [PDF]
27) 1993. Les, D. H., D. K. Garvin and C. F. Wimpee. Phylogenetic studies in the monocot subclass Alismatidae: evidence for a reappraisal of the aquatic order Najadales.  Molecular Phylogenetics and Evolution 2: 304-314. [PDF]
28) 1993. Les, D. H. Studies of water lily relationships. Water Garden Journal 9: 16-22. [PDF]
29) 1993. Les, D. H. Ceratophyllaceae. Pp. 246-250 In: K. Kubitzki, J. Rohwer, and V. Bittrich (eds.), The Families and Genera of Vascular Plants, Vol. II. Flowering Plants, Dicotyledons: Magnoliid, Hamamelid and Caryophyllid Families. Springer-Verlag, Berlin. [PDF]
30) 1993. Chase, M. W., D. E. Soltis, R. G. Olmstead, D. Morgan, D. H.
 Les, B. D. Mishler, M. R. Duvall, R. A. Price, H. G. Hills, Y.-L.
Qiu, K.  A. Kron, J. H. Rettig, E. Conti, J. D. Palmer, J. R.
Manhart, K. J. Sytsma, H. J. Michaels, W. J. Kress, K. G.
Karol, W. D. Clark, M. Hedren, B. S. Gaut, R. K. Jansen, K.-J.
Kim, C. F. Wimpee, J. F. Smith, G. R. Furnier, S. H. Strauss,
Q.-Y. Xiang, G. M. Plunkett, P. S. Soltis, S. M. Swensen, S. E.
Williams, P. A. Gadek, C. J. Quinn, L. E. Eguiarte, E.
Golenberg, G. H. Learn, Jr., S. W.  Graham, S. C. H. Barrett,
S. Dayanandan and V. A. Albert.
 Phylogenetics of seed plants: an analysis of nucleotide sequences from the plastid gene rbcL. Annals of the Missouri Botanical Garden 80: 528-580. [PDF]
31) 1993. Mymudes, M. S. and D. H. Les. Morphological and genetic variability in Plantago cordata (Plantaginaceae), a threatened aquatic plant.  American  Journal of Botany 80: 351-359. [PDF]
32) 1993. Philbrick, C. T. and D. H. Les. The evolution of aquatic plants: an introduction and tribute to Cyril Duncan Sculthorpe, author of The Biology of Aquatic Vascular Plants.  Aquatic Botany 44: 101-104. [PDF]
33) 1993. Qiu, Y. L., M. W. Chase, D. H. Les and C. R. Parks. Molecular phylogenetics of the Magnoliidae: Cladistic analyses of nucleotide sequences of the plastid gene rbcL.  Annals of the Missouri Botanical Garden 80: 587-606. [PDF]
34) 1994. Les, D. H. Molecular systematics and taxonomy of lake cress (Neobeckia aquatica; Brassicaceae), an imperiled aquatic mustard.  Aquatic Botany 49: 149-165. [PDF]
35) 1994. Gerber, D. T., T. J. Ehlinger and D. H. Les. An image-analysis technique to determine the surface area and volume for dissected leaves of aquatic macrophytes.  Aquatic Botany 48: 175-182. [PDF]
36) 1994. Gerber, D. T. and D. H. Les. Comparison of leaf morphology among submersed species of Myriophyllum (Haloragaceae) from different habitats and geographical distributions.  American Journal of Botany 81: 973-979. [PDF]
37) 1994. Reinartz, J. A. and D. H. Les. Bottleneck-induced dissolution of self-incompatibility and breeding system consequences in Aster furcatus  (Asteraceae).  American Journal of Botany 81: 446-455. [PDF]
38) 1994. Wakeman, R. W. and D. H. Les. Interspecific competition between Potamogeton amplifolius and Myriophyllum spicatum.  Lake and Reservoir Management 9: 125-129. [PDF]
39) 1994. Wakeman, R. W. and D. H. Les.
 Optimum growth conditions for Potamogeton amplifolius, Myriophyllum spicatum and Potamogeton richardsonii. Lake and Reservoir Management 9: 129-133. [PDF]
40) 1995. Les, D. H. and R. R. Haynes. Systematics of subclass Alismatidae: a synthesis of approaches. Pp. 353-377 In P. J .Rudall,  P. J. Cribb, D.F. Cutler, and C. J. Humphries (eds.), Monocotyledons: Systematics and Evolution. Royal Botanic Gardens, Kew. [PDF]
41) 1995. Les, D. H. and E. L. Schneider. The Nymphaeales, Alismatidae, and the theory of an aquatic monocotyledon origin. Pp. 23-42 In P. J .Rudall,  P. J. Cribb, D.F. Cutler, and C. J. Humphries(eds.), Monocotyledons: Systematics and Evolution. Royal Botanic Gardens, Kew. [PDF]
42) 1995. Les, D. H., G. J. Anderson and M. A. Cleland. Sterility in North American lake cress, Neobeckia aquatica (Brassicaceae): inferences from chromosome number.  Rhodora 97: 185-200. [PDF]
43) 1996. Les, D. H. Hydrilla verticillata threatens Connecticut. Aquatic Exotics News 3: 1-2. [PDF]
44) 1996. Les, D. H. and R. R. Haynes. Coleogeton (Potamogetonaceae), a new genus of pondweeds.  Novon 6: 389-391. [PDF]
45) 1996. Crawford, D. J., E. Landolt and D. H. Les. An allozyme study of two sibling species of Lemna (Lemnaceae) with comments on their morphology, ecology, and distribution.  Bulletin of the Torrey Botanical Club 123: 1-6. [PDF]
46) 1996. Gerber, D. T. and D. H. Les. Habitat differences among seven species of Myriophyllum (Haloragaceae) in Wisconsin and Michigan.  Michigan Botanist 35: 75-86. [PDF]
47) 1996. Philbrick, C. T. and D. H. Les. Evolution of aquatic angiosperm reproductive systems.  BioScience 46: 813-826. [featured cover article] [PDF]
48) 1996. Waycott, M. and D. H. Les. An integrated approach to the evolutionary study of seagrasses.   Pp. 71-78 In R. C. Philipps, D. I. Walker and H. Kirkman (eds.), Seagrass Biology: Proceedings of an International Workshop, Rottnest Island, Western Australia, 25-29 January, 1996.  Faculty of Sciences, University of Western Australia, Nedlands.
 [PDF]
49) 1997. Les, D. H. Ceratophyllaceae (Chapter 14).  Pp. 81-84 In N. R. Morin (Convening Ed.), Flora of North America North of Mexico, Vol. 3: Magnoliophyta: Magnoliidae and Hamamelidae.  Oxford University Press, New York. [Ceratophyllaceae;  Ceratophyllum] [PDF]
[PDF]
50) 1997. Les, D. H., M. A. Cleland and M. Waycott. Phylogenetic studies in Alismatidae, II: evolution of marine angiosperms ('seagrasses') and hydrophily.  Systematic Botany 22: 443-463. [PDF]
51) 1997. Les, D. H., E. Landolt and D. J. Crawford. Systematics of Lemnaceae: inferences from micromolecular and morphological data.  Plant Systematics and Evolution  204: 161-177. [PDF]
52) 1997. Les, D. H., L. J. Mehrhoff, M. A. Cleland and J. D. Gabel. Hydrilla verticillata (Hydrocharitaceae) in Connecticut.  Journal of Aquatic Plant Management 35: 10-14. [PDF]
53) 1997. Les, D. H., C. T. Philbrick and A. Novelo R. The phylogenetic position of river-weeds (Podostemaceae): insights from rbcL sequence data.  Aquatic Botany 57: 5-27. [PDF]
54) 1997. Crawford, D. J., E. Landolt, D. H. Les and E.Tepe. Allozyme variation and the taxonomy of Wolffiella (Lemnaceae).  Aquatic Botany 58: 43-54. [PDF]
55) 1997. Les, D. H., E. L. Schneider and D. J. Padgett. Water lily relationships revisited: lessons learned from anatomy, morphology and molecules.  Water Garden Journal 13: 21-28. [PDF]
56) 1998. Les, D. H. Often overlooked: aquatic plants.  World Conservation 2: 5-6. [invited contribution] [PDF]
57) 1998. Les, D. H. An Ambiguous Aquatic Plant.  P. 226 In P. H. Raven, R. F. Evert and S. E. Eichhorn, Biology of Plants, 6th ed. W. H. Freeman & Co., Worth Publishers, New York. [PDF]
58) 1998. Bremer, K., M. W. Chase, P. F. Stevens, A. Anderberg, A. Backlund, B. Bremer, B. Briggs, P. K. Endress,  M.
 F. Fay, P. Goldblatt, M. H. G. Gustafsson, S. B. Hoot,
 W. S. Judd, M. Kallersjo, E. A. Kellogg, K. A. Kron,
 D. H. Les, C. M. Morton, D. L. Nickrent, R. G.
 Olmstead, R. A. Price, C. J. Quinn, J. E. Rodman, P. J.
 Rudall, V. Savolainen, D. E. Soltis, P. S. Soltis, K. J.
 Sytsma, and M. Thulin (The Angiosperm Phylogeny Group).		 An ordinal classification for the families of flowering plants.  Annals of the Missouri Botanical Garden 85: 531-553. [PDF]
59) 1998. Haynes, R. R., D. H. Les  and L. B. Holm-Nielsen. Alismataceae.  Pp. 11-18 In: K. Kubitzki (ed.), The Families and Genera of Vascular Plants, Vol. IV, Flowering Plants: Monocotyledons, Alismatanae and Commelinanae (except Gramineae).  Springer-Verlag, Berlin. [PDF]
60) 1998. Haynes, R. R., D. H. Les  and L. B. Holm-Nielsen. Juncaginaceae.  Pp. 261-263 In: K. Kubitzki (ed.), The Families and Genera of Vascular Plants, Vol. IV, Flowering Plants: Monocotyledons, Alismatanae and Commelinanae (except Gramineae).  Springer-Verlag, Berlin. [PDF]
61) 1998. Haynes, R. R., D. H. Les  and L. B. Holm-Nielsen. Limnocharitaceae.  Pp. 271-275 In: K. Kubitzki (ed.), The Families and Genera of Vascular Plants, Vol. IV, Flowering Plants: Monocotyledons, Alismatanae and Commelinanae (except Gramineae).  Springer-Verlag, Berlin. [PDF]
62) 1998. Haynes, R. R., L. B. Holm-Nielsen and D. H. Les. Najadaceae.  Pp. 301-306 In: K. Kubitzki (ed.), The Families and Genera of Vascular Plants, Vol. IV, Flowering Plants: Monocotyledons, Alismatanae and Commelinanae (except Gramineae).  Springer-Verlag, Berlin. [PDF]
63) 1998. Haynes, R. R., D. H. Les  and L. B. Holm-Nielsen. Potamogetonaceae.  Pp. 408-414 In: K. Kubitzki (ed.), The Families and Genera of Vascular Plants, Vol. IV, Flowering Plants: Monocotyledons, Alismatanae and Commelinanae (except Gramineae). Springer-Verlag, Berlin. [PDF]
64) 1998. Haynes, R. R., L. B. Holm-Nielsen and D. H. Les. Ruppiaceae.  Pp. 445-448 In: K. Kubitzki (ed.), The Families and Genera of Vascular Plants, Vol. IV, Flowering Plants: Monocotyledons, Alismatanae and Commelinanae (except Gramineae).  Springer-Verlag, Berlin. [PDF]
65) 1998. Haynes, R. R., D. H. Les and L. B. Holm-Nielsen. Scheuchzeriaceae.  Pp. 449-451 In: K. Kubitzki (ed.), The Families and Genera of Vascular Plants, Vol. IV, Flowering Plants: Monocotyledons, Alismatanae and Commelinanae (except Gramineae).  Springer-Verlag, Berlin. [PDF]
66) 1998. Haynes, R. R., D. H. Les  and L. B. Holm-Nielsen. Zannichelliaceae.  Pp. 470-474 In: K. Kubitzki (ed.), The Families and Genera of Vascular Plants, Vol. IV, Flowering Plants: Monocotyledons, Alismatanae and Commelinanae (except Gramineae).  Springer-Verlag, Berlin.
[PDF]
67) 1998. Haynes, R. R., D. H. Les  and M. Kral. Two new combinations in Stuckenia, the correct name for Coleogeton (Potamogetonaceae).  Novon 8: 241. [PDF]
68) 1998. Padgett, D. J., D. H. Les  and G. E. Crow. Evidence for the hybrid origin of Nuphar xrubrodisca (Nymphaeaceae).  American Journal of Botany 85: 1468-1476. [PDF]
69) 1999. Les, D. H. and R. Capers. Limnobium spongia (Hydrocharitaceae) discovered in New England.  Rhodora 101: 419-423. [PDF]
70) 1999. Les, D. H. and D. J. Crawford. Landoltia (Lemnaceae), a new genus of duckweeds. Novon 9: 530-533. [PDF]
71) 1999. Les, D. H., E. L. Schneider, D. J. Padgett, P. S. Soltis, D. E. Soltis
and M. Zanis.		 Phylogeny, classification and floral evolution of water lilies (Nymphaeales): A synthesis of non-molecular, rbcL, matK and 18S rDNA data.  Systematic Botany 24: 28-46. [PDF]
72) 1999. Les, D. H. and L. J. Mehrhoff. Introduction of nonindigenous aquatic vascular plants in southern New England: a historical perspective. Biological Invasions 1: 281-300. [PDF]
73) 1999. Baldo, A. M., D. H. Les and L. D. Strausbaugh. Potentials and limitations of histone repeat sequences for phylogenetic reconstruction of Sophophora.  Molecular Biology and Evolution 16: 1511-1520. [PDF]
74) 1999. Padgett, D. J., D. H. Les and G. E. Crow. Phylogenetic relationships in Nuphar Sm. (Nymphaeaceae): evidence from morphology, chloroplast DNA and nuclear ribosomal DNA.  American Journal of Botany 86: 1316-1324. [PDF]
75) 1999. Procaccini, G., L. Mazzella , R. S. Alberte and D. H. Les. Chloroplast tRNALeu (UAA) intron sequences provide phylogenetic resolution of seagrass relationships.  Aquatic Botany 62: 269-283. [PDF]
76) 2000. Philbrick, C. T. and D. H. Les. Phylogenetic studies in Callitriche (Callitrichaceae): implications for interpretation of ecological, karyological and pollination system evolution.  Aquatic Botany 68: 123-141. [PDF]
77) 2000. Posluszny, U., W. A. Charlton and D. H. Les. Modularity in Helobial flowers.  Pp. 63-74 In K. L. Wilson and D. Morrison (eds.), Monocots: Systematics and Evolution.  CSIRO Publishing, Collingwood, Victoria, Australia. 738 pp. [PDF]
78) 2000. Waycott, M. and D. H. Les. Current perspectives on marine angiosperm evolution.  Biologia Marina Mediterranea 7: 160-163. [PDF]
79) 2001. Gabel, J. D. and D. H. Les. Neobeckia aquatica North American lake cress.  New England plant conservation program, conservation and research plan. New England Wild Flower Society, Framingham, MA. 42 pp. [PDF]
80) 2001. Les, D. H. Ceratophyllaceae.  Pp. 601-602 (vol. I.) In: W. D. Stevens, C. Ulloa, A. Pool and M. Montiel (eds.), Flora de Nicaragua. 3 vols. Monogr. Syst. Botany, 85. XLII. Missouri Botanical Garden Press, St. Louis. 2,666 pp. [LINK]
81) 2001. Capers, R. S. and D. H. Les. An unusual population of Podostemum ceratophyllum Michx. (Podostemaceae) in a tidal, Connecticut river.  Rhodora 103: 219-223. [PDF]
82) 2001. Fu, D. and D. H. Les Ceratophyllaceae.  Pp. 121-122 In: Z. Wu and P. H. Raven (eds.), Flora of China, vol. 6, Caryophyllaceae through Lardizabalaceae.  Science Press, Beijing/Missouri Botanical Garden Press, St. Louis. 512 pp. [PDF]
83) 2001. Crawford, D. J., E. Landolt, D. H. Les and R. T. Kimball.

Allozyme studies in Lemnaceae: variation and relationships in Lemna sections Alatae and Biformes.  Taxon 50: 987-999.		 [PDF]
84) 2002. Les, D. H. Aquatic plants. Pp. 82-84 In: B. Ness (Ed.), Magill's Encyclopedia of Science: Plant Life, Vol. 1.  Salem Press, Hackensack, NJ. 1322 pp. [PDF]
85) 2002. Les, D. H. Nonindigenous aquatic plants: a garden of earthly delight.  Lakeline 22(1): 20-24. [PDF]
86) 2002. Les, D. H., D. J. Crawford, E. Landolt, J. D. Gabel and R. T.
 Kimball.		 Phylogeny and systematics of Lemnaceae, the duckweed family.  Systematic Botany 27: 221-240. [PDF]
87) 2002. Les, D. H., M. L. Moody, S. W. L. Jacobs and R. J. Bayer. Systematics of seagrasses (Zosteraceae) in Australia and New Zealand.  Systematic Botany 27: 468-484. [PDF]
88) 2002. Padgett, D. J., M. Shimoda, L. A. Horky and D. H. Les. Natural hybridization and the imperiled Nuphar (Nymphaeaceae) of western Japan.  Aquatic Botany 72: 161-174. [PDF]
89) 2002. Moody, M. L. and D. H. Les. Evidence of hybridity in invasive watermilfoil (Myriophyllum) populations.  Proceedings of the National Academy of Sciences, USA 99: 14867-14871.  [selected as an "APIRS Pick" in Aquaphyte 22(2):15 (2002)] [PDF]
90) 2003. Les, D. H. Nymphaeales.  In Encyclopedia of Life Sciences.  John Wiley & Sons, Inc. [PDF]
91) 2003. Kimball, R. T., D. J. Crawford, D. H. Les and E. Landolt. Out of Africa: molecular phylogenetics and biogeography of Wolffiella (Lemnaceae).  Biological Journal of the Linnaean Society 79: 565-576. [PDF]
92) 2003. Les, D. H. The biology of aquatic plants. English translation of H. Schenck (1886), Die Biologie der Wassergewaechse, with introduction and appendix.  A.R.G. Gantner Verlag K.G., Ruggell, Lichtenstein.162 pp.
 [INFO]
93) 2003. Les, D. H., D. J. Crawford, R. T. Kimball, M. L. Moody and E.
 Landolt.		 Biogeography of discontinuously distributed hydrophytes: a molecular appraisal of intercontinental disjunctions.  International Journal of Plant Science 164: 917-932. [Featured as one of "Mary's Picks!" in Aquaphyte 25: 4, 2005] [PDF]
94) 2004. Les, D. H. Cabombaceae. Pp. 72-73 In: Flowering plants of the Neotropics (N. Smith, S. A. Mori, A. Henderson, D. W. Stevenson, & S. V. Heald eds.).  Princeton University Press, Princeton, New Jersey. 594 pp. [INFO]
95) 2004. Padgett, D. J. and D. H. Les. Nymphaeaceae. Pp. 271-273 In: Flowering plants of the Neotropics (N. Smith, S. A. Mori, A. Henderson, D. W. Stevenson, & S. V. Heald eds.).  Princeton University Press, Princeton, New Jersey. 594 pp. [INFO]
96) 2004. Les, D. H., M. L. Moody, A. Doran and W. L. Phillips. A genetically confirmed intersubgeneric hybrid in Nymphaea L. (Nymphaeaceae Salisb.).  HortScience 39: 219-222. [cover article] [PDF]
97) 2004. Doran, A., D. H. Les, M. L. Moody and W. L. Phillips. Nymphaea 'William Phillips', a new intersubgeneric hybrid.  HortScience 39: 446-447. [PDF]
98) 2005. Haynes, R. R. and D. H. Les. Alismatales.  In Nature Encyclopedia of Life Sciences.  Nature Publishing Group, London. (published electronically). [PDF]
99) 2005. Les, D. H., M. L. Moody and S. W. L. Jacobs. Phylogeny and systematics of Aponogeton (Aponogetonaceae): the Australian species.  Systematic Botany 30: 503-519. [PDF]
100) 2005. Crawford, D. J., E. Landolt, D. H. Les, R. T. Kimball and J. K.
 Archibald.		 Allozyme variation within and divergence between Lemna gibba and L. disperma (Lemnaceae): systematic and biogeographic implications.  Aquatic Botany 83: 119-128. [PDF]
101) 2005. Capers, R. S. and D. H. Les. Plant community structure in a freshwater tidal wetland.  Rhodora 107: 386-407. [PDF]
102) 2006. Waycott, M., G. Procaccini, D. H. Les and T. B. H. Reusch. Seagrass evolution, ecology and conservation: a genetic perspective. Pp. 25-50 In: A. W. D. Larkum, R. J. Orth and C. M. Duarte (Eds.). Seagrasses: Biology, ecology and conservation. Springer-Verlag. 691 pp. [PDF]
103) 2006. Les, D. H., M. L. Moody and C. Soros. A reappraisal of phylogenetic relationships in the monocotyledon family Hydrocharitaceae. Pp. 211-230 In J. T. Columbus, E. A. Friar, J. M. Porter, L. M. Prince, and M. G. Simpson [eds.], Monocots: comparative biology and evolution, 2 vols.  Rancho Santa Ana Botanic Garden, Claremont, California, USA. [Aliso 22: 211-230]
 [PDF]
104) 2006. Crawford, D. J., E. Landolt, D. H. Les and R. T. Kimball. Speciation in duckweeds (Lemnaceae): phylogenetic and ecological inferences. Pp. 231-242 In J. T. Columbus, E. A. Friar, J. M. Porter, L. M. Prince, and M. G. Simpson [eds.], Monocots: comparative biology and evolution, 2 vols.  Rancho Santa Ana Botanic Garden, Claremont, California, USA. [Aliso 22: 231-242] [PDF]
105) 2006. Jacobs, S. W. L., D. H. Les and M. L. Moody. New combinations in Australasian Zostera (Zosteraceae).  Telopea 11: 127-128. [PDF]
106) 2006. Jacobs, S. W. L, D. H. Les, M. L. Moody and C. Barre Hellquist.
 Two new species of Aponogeton (Aponogetonaceae) and a key to species from Australia.  Telopea 11: 129-134. [PDF]
107) 2006. Martine, C. T., D. Vanderpool, G. J. Anderson and D. H. Les. Phylogenetic relationships of the andromonoecious and dioecious species of Australian Solanum subgenus Leptostemonum section Melongena: inferences from ITS sequence data. Systematic Botany 31: 410-420. [PDF]
108) 2006. Les, D. H., R. S. Capers and N. P. Tippery. Introduction of Glossostigma (Phrymaceae) to North America: a taxonomic and ecological overview.  American Journal of Botany 93: 927-939. [PDF]
109) 2006. Thompson, L. G., E. Mosley-Thompson, H. Brecher, M. Davis,
 B. Leon, D. Les, P.-N. Lin, T. Mashiotta and K. Mountain.		 Abrupt tropical climate change: past and present.  Proceedings of the National Academy of Sciences, USA 103: 10536-10543. [NAS inaugural article for L. G. Thompson] [PDF]
110) 2006. Chen, L., D. H. Les, L. Xu, X. Yao, M. Kang and H. Huang.
 Isolation and characterization of a set of microsatellite loci in the submerged macrophyte, Vallisneria spinulosa Yan (Hydrocharitaceae).  Molecular Ecology Notes 6: 1243-1245. [PDF]
111) 2006. Moline, P., D. Les, C. T. Philbrick, A. Novelo. R., E. Pfeifer
 and R. Ruthishauser.		 Comparative morphology and molecular systematics of Podostemum (including Crenias) -- American river-weeds (Podostemaceae).  Botanische Jahrbucher fur Systematik 126: 427-476. [PDF]
112) 2007. Moody, M. L. and D. H. Les. Geographic distribution and genotypic composition of invasive hybrid watermilfoil (Myriophyllum spicatum x M. sibiricum) populations in North America.  Biological Invasions 9: 559-570. [PDF]
113) 2007. Moody, M. L., and D. H. Les. Phylogenetic systematics and character evolution in the angiosperm family Haloragaceae.  American Journal of Botany 94: 2005-2025. [PDF]
114) 2008. Les, D. H., S. W. L. Jacobs, N. P. Tippery, L. Chen,
 M. L. Moody, and M. Wilstermann-Hildebrand.		 Systematics of Vallisneria L. (Hydrocharitaceae Juss.). Systematic Botany 33: 49-65. ["Top 20" cited article for Systematic Botany].
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115) 2008. Moody, M. L., D. H. Les and J. M. DiTomaso. The role of plant systematics in invasive aquatic plant management. Journal of Aquatic Plant Management 46: 7-15. [PDF]
116) 2008. Tippery, N. P., D. H. Les, D. J. Padgett and S. W. L. Jacobs.
 Generic circumscription in Menyanthaceae: a phylogenetic approach. Systematic Botany 33: 598-612. [PDF]
117) 2008. Les, D. H. Ceratophyllaceae. Pp. 322-323 In: O. Hokche, P. E. Berry  and O. Huber (eds.), Nuevo Catalogo de la Flora vascular de Venezuela. Fundacion Instituto Botanico de Venezuela Dr. Tobias Lasser. Caracas, Venezuela. [INFO]
118) 2008. Tippery, N. P. and D. H. Les. Phylogenetic analysis of the internal transcribed spacer (ITS) region in Menyanthaceae using predicted secondary structure. Molecular Phylogenetics & Evolution 49: 526-537. [PDF]
119) 2008. Les, D. H. Ceratophyllaceae. Pp. 1908-1909 In: F. O. Zuloaga, & O. Morrone & M. J. Belgrano (eds.), Catalogo de las Plantas vasculares del Cono Sur (Catalogue of the vascular plants of the southern cone). Monographs in Systematic Botany from the Missouri Botanical Garden 107.  Missouri Botanical Garden Press, St. Louis. 3,486 pp. [PDF]
120) 2009. Martine, C. T., G. J. Anderson and D. H. Les. Gender-bending aubergines: Molecular phylogenetics of cryptically dioecious Solanum in Australia. Australian Systematic Botany 22: 107-120. [PDF]
121) 2009. Les, D. H., R. R. Haynes and A. Novelo-Retana. Chapter 10: Plants (Embryophyta) of the Gulf of Mexico. Pp. 261-284 In: D. L. Felder & D. K. Camp (eds.), Gulf of Mexico Origin, Waters, and Biota. Volume I, Biodiversity. Texas A&M University Press, College Station, Texas. 1393 pp. [INFO] [PDF]
122) 2009. Tippery, N. P. and D. H. Les. A new genus and new combinations for Villarsia (Menyanthaceae) taxa in Australia. Novon 19: 404-411. [PDF]
123) 2009. Jacobs, S. W. L. and D. H. Les. New combinations in Zostera (Zosteraceae). Telopea 12: 419-423. [PDF]
124) 2009. Les, D. H., N. M. Murray and N. P. Tippery. Systematics of two imperiled pondweeds (Potamogeton vaseyi, P. gemmiparus) and taxonomic ramifications for subsection Pusilli (Potamogetonaceae). Systematic Botany 34: 643-651. [PDF]
125) 2009. Tippery, N. P., D. H. Les, J. C. Regalado, Jr., L. V.
 Averyanov, V. N. Long and P. H. Raven.		 Transfer of Villarsia cambodiana to Nymphoides (Menyanthaceae). Systematic Botany 34: 818-823. [PDF]
126) 2010. Capers, R. S. and D. H. Les. Website promotes plant data as a novel educational resource. Connecticut Journal of Science Education 47(2): 35-38. [PDF]
127) 2010. Moody, M. L. and D. H. Les. Systematics of the aquatic angiosperm genus Myriophyllum (Haloragaceae). Systematic Botany 35: 121-139. [PDF]
128) 2010. Les, D. H., S. P. Sheldon and N. P. Tippery. Hybridization in hydrophiles: natural interspecific hybrids in Najas L. (Hydrocharitaceae).  Systematic Botany 35: 736-744. [PDF]
129) 2011. Tippery, N. P., C. T. Philbrick, C. P. Bove and D. H. Les. Systematics and phylogeny of Neotropical riverweeds (Podostemaceae: Podostemoideae).  Systematic Botany 36: 105-118. [PDF]
130) 2011. Les, D. H. Surrey W. L. Jacobs (1946-2009) and aquatic plant research in Australia. Telopea 13: 23-35. [invited contribution for SWJ commemorative volume] [PDF]
131) 2011. Tippery, N. P. and D. H. Les. Evidence for the hybrid origin of Nymphoides montana Aston (Menyanthaceae). Telopea 13: 285-294. [invited contribution for SWJ commemorative volume]
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132) 2011. Bogner, J., M. Wilstermann-Hildebrand and D. Les. Die Gattung Vallisneria.  Aqua-Planta 1/2011: 4-15. [PDF]
133) 2011. Tippery, N. P. and D. H. Les. Phylogenetic relationships and morphological evolution in Nymphoides (Menyanthaceae).  Systematic Botany 36: 1101-1113.
[PDF]
134) 2011. Martine, C. T., E. M. Lavoie, N. P. Tippery, F. D. Vogt and
 D. H. Les.		 DNA analysis identifies Solanum from Litchfield National Park as a lineage of S. dioicum.  Northern Territory Naturalist 23: 29-38. [PDF]
135) 2011. Tippery, N. P., D. H. Les and C. R. Williams. Nymphoides humboldtiana (Menyanthaceae) in  Uvalde County, Texas - a new record for the U.S.A. Journal of the Botanical Research Institute of Texas 5: 889-890. [PDF]
136) 2011. Les, D. H. Dedication: Daniel J. Crawford.  Madrono 58: 283-284. [invited contribution]. [PDF]
137) 2012. Kendrick, G. A., M. Waycott, T. J. B. Carruthers, M. L.
Cambridge, R. Hovey, S. L. Krauss, P. S. Lavery, D. H. Les,
R. J. Lowe, O. Mascaro I Vidal, J. L. S. Ooi, R. J. Orth, D. O.
Rivers, L. Ruiz-Montoya, E. A.Sinclair, J. Statton, J. K.
van Dijk and J. J. Verduin.		 The central role of dispersal in the maintenance and persistence of seagrass populations.  BioScience 62: 56-65. [featured cover article].

[PDF]
138) 2012. Les, D. H. Ceratophyllaceae. Pp. 156-157 In: B. G. Baldwin, D. H. Goldman, D. J. Keil, R. Patterson, T. J. Rosatti & D. H. Wilkin (eds.), The Jepson Manual: Vascular Plants of California, 2nd ed. University of California Press, Berkeley, California. [LINK]
139) 2012. Tippery, N. P., D. H. Les and C. S. Jones. Evolution of inflorescence architecture in Nymphoides (Menyanthaceae).  Aquatic Botany 99: 11-19. [PDF]

2012. Les, D. H. California's aquatic flora (part 1).  Regional Parks Botanic Garden Newsletter. September, 2012. [LINK]

2012. Les, D. H. California's aquatic flora (part 2).  Regional Parks Botanic Garden Newsletter. October, 2012 [LINK]
140) 2012. Les, D. H., N. P. Tippery and H. Razifard.
 Noteworthy collections.  California. Najas minor.  Madrono 59: 232. [PDF]
141) 2012. Les, D. H., N. P. Tippery and H. Razifard Noteworthy collections.  Texas. Najas minor.  Madrono 59: 232-233. [PDF]
142) 2012. Les, D. H. and R. S. Capers. Glossostigma. Pp. xxx-xxx In Flora North America Editorial Committee (Eds.), Flora of North America North of Mexico, Vol. 17: Magnoliophyta: Lamiales, part 2. Oxford University Press, New York (on-line 13 March, 2012).
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143) 2012. Lopez Peredo, E., D. H. Les, U. M. King and L. K. Benoit. Extreme conservation of the psaA/psaB intercistronic spacer reveals a translational motif coincident with the evolution of land plants.  Journal of Molecular Evolution 75: 184-197. [PDF]
144) 2013. Tippery, N. P. and D. H. Les. Hybridization and systematics of dioecious North American Nymphoides (N. aquatica and N. cordata; Menyanthaceae).  Aquatic Botany 104: 127-137. [PDF]
145) 2013. Benoit, L. K. and D. H. Les. Rapid identification and molecular characterization of phytoene desaturase mutations in fluridone-resistant hydrilla (Hydrilla verticillata). Weed Science 61: 32-40 [PDF]
146) 2013. Les, D. H. and N. P. Tippery. In time and with water ... the systematics of alismatid monocotyledons.  Pp. 118-164 in  P. Wilkin & S. J. Mayo (eds.), Early Events in Monocot Evolution. Cambridge University Press. [LINK]
147) 2013. Lopez Peredo, E., U. M. King and D. H. Les. The chloroplast genome of Najas flexilis: adaptation to submersed environments is accompanied by the complete loss of the ndh complex in an aquatic angiosperm.  PLoS ONE 8(7): e68591. doi:10.1371/journal.pone.0068591. [PDF]
148) 2013. Les, D. H., E. L. Peredo,  L. K. Benoit, N. P. Tippery, U. M. King  and S. P. Sheldon. Phytogeography of Najas gracillima (Hydrocharitaceae) in North America and its cryptic introduction to California.  American Journal of Botany 100: 1905-1915. [PDF]



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