PUBLISHED ABSTRACTS/PRESENTATIONS
(by Donald H. Les):
[1]
1982. Les, D. H. Current
issues concerning the taxonomy of Ceratophyllum. Annual Meeting of the
[2]
1983. Les, D. H. A
comparative study of flavonoids in Ceratophyllum
demersum L. and C. echinatum A.
Gray (Ceratophyllaceae). Annual Meeting
of the
[3] 1983. Les, D. H. Taxonomic
implications
of
aneuploidy
and
polyploidy
in
Potamogeton
(Potamogetonaceae). AIBS Meetings. Amer.
J. Bot. 70(5, pt.2): 121.
[4] 1984. Les, D. H. The
taxonomic significance of plumule
morphology in Ceratophyllum
(Ceratophyllaceae). Annual Meeting of
the
[5] 1985. Les, D. H. The
evolution of achene morphology in Ceratophyllum
(Ceratophyllaceae),
[6] 1985. Les, D. H,
F. Bryan,
L. Tyrrell, and R. Whitkus. Selection and
floral polymorphism in Trillium sessile (Liliaceae). Annual Meeting of the
[7] 1985. Bryan, F., D. H .
Les, L. Tyrrell,
and R. Whitkus.
Selection and floral polymorphism in Trillium
sessile (Liliaceae). AIBS Meetings.
Amer.
J. Bot. 72(5): 944.
[8] 1986. Les, D. H. The
origin and affinities of the
Ceratophyllaceae. AIBS Meetings. Amer.
J. Bot. 73(5): 795.
[9] 1986. Whitkus, R., F.
Bryan, D. H.
Les, and L. Tyrrell.
Genetic structure in a heterocyanic
population of Trillium sessile
(Liliaceae). AIBS Meetings. Amer. J.
Bot. 73(5): 795.
[10] 1987. Les, D. H. Breeding
systems, population structure, and
evolution in hydrophilous angiosperms. In
Symposium on "Reproductive Biology of Freshwater Aquatic Angiosperms." AIBS Meetings (by invitation).
Amer.
J. Bot. 74(5): 720.
[11] 1988. Les, D. H. An
evolutionary interpretation of
differential biochemical expression in heterophyllous Potamogeton
species. AIBS
Meetings. Amer. J. Bot.
75(6, part 2): 131.
[12] 1988. Nadeau, T. L., D.
H. Les, and
C. F. Wimpee.
A molecular approach to determining phylogenetic
relationships in the Nymphaeales.
[13] 1988. Sheri
[14] 1988. Mymudes, M. S. and
D. H. Les. Population
structure
of
Plantago cordata (Plantaginaceae).
[15] 1989. Les, D. H. An
outcrossing paradox of dicliny and trivial
gene flow in the hydrophilous genus Ceratophyllum.
[16] 1989. Esselman, E. J., D.
H. Les, and
J. A. Reinartz.
Population genetic structure in Aster furcatus, a threatened species of
[17] 1989 Mymudes, M. S. and
D. H. Les. Population
Structure
in
Plantago cordata (Plantaginaceae) II.
[18] 1989. Sheri
[19]
1989. Les, D. H., J.
Keough, and G.
Guntenspergen.
Feasibility studies using Large-leaf Pondweed
to revegetate lacustrine littoral zones dominated by Eurasian
Water-milfoil. In
Symposium on "Structure and management of littoral zone
communities." North American
Benthological Society Meetings (by invitation).
Bull. NABS 6: [20] 1989. Les, D. H. Population
genetics
of
Ceratophyllum demersum and C.
echinatum, two primitive hydrophilous angiosperms.
AIBS Meetings. Amer.
J. Bot. 76: 254.
[21] 1989. Les, D. H. and C. F
Wimpee. Preliminary
studies
of
evolutionary
relationships
in
the
Nymphaeales
using
rbcL
sequence data. AIBS Meetings.
Amer.
J. Bot. 76: 255.
[22] 1989. Herendeen, P. S. AND
D. H. Les. Fossil Ceratophyllum
from the Tertiary of
[23] 1989. Les, D. H. and J.
A. Reinartz.
Genetic population structure of Aster furcatus
(Asteraceae), a
threatened plant of
[24] 1989. Wakeman, R. and D.
H. Les. Factors
influencing
reintroduction
of
aquatic
macrophytes. Restoration &
Manage. Notes 7: 90.
[25] 1990. Les, D. H., J. A.
Reinartz, and
E. J. Esselman.
A model for recovery following genetic
bottlenecks in a rare self-incompatible species.
[26] 1990. Les, D. H., J. A.
Reinartz, and
E. J. Esselman.
Genetic consequences of rarity in Aster furcatus
(Asteraceae), a
threatened, self-incompatible plant.
AIBS Meetings. Amer. J.
Bot. 7(6, suppl.): 75-76.
[27] 1990. Les, D. H. and C.
F. Wimpee. Phylogenetic
evaluation
of
rbcL divergence in ancient aquatic
angiosperms. In Symposium
on "The use of rbcL sequence data in phylogenetic
reconstruction." AIBS Meetings (by
invitation). Amer.
J. Bot. 77(6, suppl.): 116.
[28] 1990. Sheri
[29] 1990. Mymudes, M. S. and
D. H. Les. The
phytogeography
of
Plantago cordata (Plantaginaceae), a
[30] 1990. Guntenspergen, G.,
J. Keough, and
D. Les. Revegetation
of
northern
lacustrine
littoral
zones
dominated
by Myriophyllum spicatum.
Aquatic Plant Management Society, 30th Annual
Meeting (by invitation).
[31] 1990. Guntenspergen, G.,
D. Les, and
J. Keough. Revegetation
of
lacustrine
littoral
zones
dominated
by
Myriophyllum spicatum.
Society of Wetland Scientists, 11th Annual
Meeting.
[32]
1991. Les, D. H. and C.
T. Philbrick.
Evolutionary studies of aquatic angiosperms. In
Symposium: The Evolution of Aquatic
Angiosperms. AIBS Meetings.
Amer.
J. Bot. 78(6, suppl.): 160.
[33] 1991. Les, D. H. and C.
F. Wimpee. The
phylogenetic
position
of
the
Nymphaeales,
Ceratophyllales,
and
Nelumbonales
among
primitive
angiosperms. AIBS
Meetings. Amer.
J. Bot. 78(6, suppl.): 199-200.
[34] 1991. Reinartz, J. A. and
D. H. Les. Genetic
and
population
factors
influencing
seed
set
in Aster furcatus, a rare,
self-incompatible plant. AIBS
Meetings. Amer. J. Bot. 78(6,
suppl.): 99.
[35] 1991. Mymudes, M. S. and
D. H. Les. Population
structure
of
Plantago cordata (Plantaginaceae).
Society for Conservation Biology 5th Annual Meeting.
[36] 1991. Gerber, D. T., D.
H. Les, and
R. Cuhel. Radioactive
sulfate
uptake
in
Water
Milfoil. Aquatic Plant Management
Society, 31st Annual Meeting.
[37] 1991. Gerber, D. T. and
D. H. Les. Radiolabeled
sulfate
uptake
in
Water
Milfoil.
[38] 1992. Les, D. H., D. K.
Garvin, and C.
F. Wimpee. A
phylogeny
of
the
ancient
genus
Ceratophyllum
(Ceratophyllaceae) derived
from DNA sequence data. AIBS Meetings. Amer. J. Bot. 79(6, suppl.): 151.
[39] 1992. Les, D. H., D. K.
Garvin, C.
F. Wimpee, D. J. Crawford, T. F. Stuessy, and M. W. Chase. Molecular
evidence for the phylogenetic
position of the enigmatic island endemic Lactoris
fernandeziana (Lactoridaceae). AIBS
Meetings. Amer. J. Bot.
79(6, suppl.): 152.
[40] 1992. Les, D. H., D. K.
Garvin, and C.
F. Wimpee. Molecular
phylogenetic
studies
of
the
Alismatidae:
a
preliminary
rbcL phylogeny of
critical taxa. AIBS Meetings.
Amer. J. Bot. 79(6, suppl.): 152.
[41] 1992. Les, D. H. An
"inverse island" model of
aquatic plant evolution? AIBS Meetings (by
invitation). Amer. J. Bot.
79(6, suppl.): 51.
[42] 1993. Les, D. H. The
phylogenetic position of the Najadaceae
(Najadales, Alismatidae): an evaluation of morphological and molecular
studies.
Amer.
J. Bot. 80(6, suppl.): 161.
[43] 1993. Haynes, R. R. and
D. H. Les. Systematics
of
subclass
Alismatidae:
a
synthesis
of
molecular
and
non-molecular
approaches.
Invited
presentation at the 1993
[44] 1993. Les, D. H. and E.
L. Schneider.
The Nymphaeales, Alismatidae, and the theory
of an aquatic monocot origin. Invited
presentation at the
[45] 1994. Les, D. H. and G.
J. Anderson.
Molecular systematics and biology of the
North American lake cress, Neobeckia
aquatica (Brassicaceae). AIBS
Meetings. Amer. J. Bot.
81(6, suppl.): 168.
[46] 1994. Les, D. H., E.
Landolt, and D.
J. Crawford.
Molecular systematics of the Lemnaceae. AIBS
Meetings.
Amer. J.
Bot. 81(6, suppl.): 168-169.
[47] 1995. Les, D. H. and M.
Waycott. Unisexuality,
hydrophily,
and
marine
radiations
in
the
monocot
subclass
Alismatidae:
an
extreme example of
convergence. AIBS Meetings
Amer.
J. Bot. 82(6):144.
[48] 1995. Les, D. H., M. A.
Cleland, and
C. T. Philbrick.
Taxonomic realignments in the
Potamogetonaceae: Evidence from molecular data.
AIBS Meetings. Amer. J.
Bot. 82(6):144.
[49] 1995. Philbrick, C. T.
and D. H. Les.
Systematics of North American and European Callitriche
(Callitrichaceae). AIBS Meetings. Amer. J. Bot. 82 (6):156.
[50] 1995. Crawford, D. J., E.
Landolt,
D. H. Les and E. T epe. Allozyme
divergence among species of Wolffiella (Lemnaceae).
AIBS Meetings. Amer. J. Bot. 82 (6): 122.
[51] 1995. Les, D. H., M. A.
Cleland, and
M. Waycott. Evolution
of
marine
angiosperms.
Society
for
the
Study
of
Evolution,
Annual
Meeting.
[52] 1995. Waycott, M. and D.
H. Les. An
integrated
approach
to
the
evolutionary
study
of
seagrasses. International
Seagrass Biology Workshop,
[53] 1995. Les, D. H. Evolution of
aquatic angiosperms. 6th Annual Meeting of
the
[54] 1995. Padgett, D., D. H.
Les and G.
E. Crow.
Molecular evidence and the
systematics of Nuphar
(Nymphaeaceae). 6th
Annual NEMEB Meetings [poster].
[55] 1996. Les, D. H. and C.
T. Philbrick.
The phylogeny of river-weeds (Podostemaceae):
Insights from rbcL sequence data.
AIBS Meetings. Amer. J. Bot.
83(6): 174.
[56] 1996. Les, D. H. and J.
D. GABEL. Genetic variation among and within
populations of Neobeckia aquatica (Eaton) Greene (lake
cress), a sexually sterile,
clonal triploid. AIBS Meetings. Amer.
J.
Bot. 83(6): 173-174.
[57] 1996. Les, D. H., U.
Posluszny and A.
Charlton. Evidence for the polyphyly
of angiosperm flowers. AIBS Meetings, Seattle. Amer. J.
Bot. 83(6): 174.
[58] 1996. Padgett, D. J., D.
H. Les and
G. E. Crow. Systematic
studies
of
Nuphar (Nymphaeaceae), the yellow water
lilies. AIBS Meetings. Amer.
J. Bot. 83 (6): 184-185.
[59] 1996. Gabel, J. D. and D.
H. Les. Genetic variation among and within
populations of Neobeckia aquatica (Eaton) Greene (lake
cress), a rare
triploid. APMS meetings,
[60] 1996. Padgett, D. J., D.
H. Les and
G. E. Crow. Taxonomic
studies
of
of
the
yellow
water
lilies. APMS
meetings,
[61] 1996. Waycott, M. and D.
H. Les. Seagrass
evolution:
a
molecular
phylogenetic
perspective. Genetics
Society
of
[62] 1997. Les, D. H. and L.
J. Mehrhoff. Nonindigenous
aquatic angiosperms in
[63] 1997. Les, D. H., E. L.
Schneider and
D. J. Padgett. Phylogeny of
the Nymphaeales: on the verge of
a synthesis. AIBS Meetings,
[64] 1997. Les, D. H., D. J.
Crawford,
[65] 1997. Copley, G and D. H.
Les. Life history study of Hottonia
inflata, a species of special concern in
[66] 1998. Balcom, N. C., D.
H. Les and
[67] 1998. Les, D. H., C. T. Philbrick and A. NOVELO
RETANA. Phylogeography of the Podostemaceae sensu
lato: a hypothesis of multiple tropical radiations.
AIBS Meetings, Baltimore. Amer.
J. Bot. 85(6): 141.
[69] 1999. Les, D. H. and L.
J. Mehrhoff. Introduction of
nonindigenous aquatic vascular plants in southern
[70] 1999. Les, D. H. Phylogenetic studies
of water plants. In Symposium on aquatic
angiosperm systematics and evolution.
International Botanical Congress,
[71] 2000. Les, D. H., D. J.
Crawford, E.
Landolt, J. D. Gabel and R. T.
Kimball. Phylogenetic
relationships
in Lemnaceae Dumortier, the duckweed family. Botany 2000 Meetings,
[72] 2000. Crawford, D. J.,
D. H. Les, E. Landolt, R. T. Kimball and J. D. Gabel. A phylogenetic study of the
genus Wolffiella
(Lemnaceae). Botany 2000 Meetings,
[73] 2000.
Moody, M. L. and
D. H. Les.
Phylogenetic relationships
in Myriophyllum (Haloragaceae).
Botany 2000 Meetings,
[74] 2000. Gabel, J.D., D. H.
Les, W. A.
Charlton and A. J. Coombes. Phylogeny of Azara
(Flacourtiaceae). Botany 2000
Meetings,
[75] 2000. Soros, C. L., D H.
Les, M. L. Moody
and U. Posluszny.
Phylogenetic relationships in the
Hydrocharitaceae. Botany 2000 Meetings,
[76] 2001.
Schuster,
[77] 2001. Les, D. H., M. L.
Moody, S. W.
L. Jacobs and R. J. Bayer. Systematics and taxonomy of
Australian seagrasses (family Zosteraceae). Botany 2001 Meetings,
[78] 2001. Moody, M. L. and D. H. Les. Phylogenetic relationships in Haloragaceae
emphasizing the aquatic genus Myriophyllum.
Botany 2001 Meetings,
[79] 2001. Soros, C. L. and D.
H. Les. Phylogenetic
relationships
in
the
Alismataceae.
Botany
2001
Meetings,
[80] 2001. Mione, T., G.
Segundo Leiva and
D. H. Les. The
biogeography
of
South
American
Jaltomata (Solanaceae).
Botany 2001
Meetings,
[81] 2001. Padgett, D. J. and
D. H. Les.* Preliminary
phylogenetic studies in the Menyanthaceae. Botany
2001
Meetings,
[82] 2001. Philbrick, C. T.,
A. Novelo R.
and D. H. Les. Taxonomy and Systematics of Podostemum
(Podostemaceae). Botany 2001 Meetings,
[83] 2001. Philbrick, C. T.,
A. Novelo
R., R. Rutishauser and D. H. Les. Phylogeny of New World Riverweeds
(Podostemaceae): morphology. Botany 2001
Meetings,
[84] 2001. Shimoda, M., D. J.
Padgett, L.
A. Horky, D. H. Les and Y. Otakara.
Investigation of Nuphar japonica
var. saijoensis: genetics, morphology
and ecology. 65th meeting of Botanical
Society of Japan.
[85] 2001. Horky, L. A., D. J.
Padgett,
D. H. Les, and
[86] 2001. Horky, L. A., D. J.
Padgett,
M. Shimoda and D. H. Les. Natural hybridization and the
rare Japanese Pond-Lily Nuphar japonica
var. saijoensis. Nat'l. Conf. on
Undergraduate Research (NCUR 2001),
[87] 2001. Horky, L. A., D. J.
Padgett,
M. Shimoda and D. H. Les. Natural hybridization and the
rare Japanese Pond-Lily Nuphar japonica
var. saijoensis. 59th
Eastern New England Biological
Conference,
[88] 2001. Horky, L. A., D. J.
Padgett,
M. Shimoda and D. H. Les. Natural hybridization and the
rare Japanese Pond-Lily Nuphar japonica
var. saijoensis.
[89] 2001. Schuster, L. A. and
D. H. Les.* Conservation
of
Eriocaluon parkeri (Parker's pipewort) in Hamburg
Cove,
[90] 2001. Shimoda, M., D. J.
Padgett, L.
A. Horky, D. H. Les and Y. Otakara.
Investigation of Nuphar japonica
var. Saijoensis: genetics, morphology
and ecology. Journal of Plant
Research 114
(Supplement): 32.
[91] 2002. Crawford, D. J., R.
T. Kimball, D. H. Les, E. Landolt,
and
L. E. Wallace.
The origin of Lemna
japonica:
insights from molecular data. Botany
2002 Meetings,
[92] 2002. Moody, M.
L. and D. H. Les. Foiled
again: hybridity in invasive hydrophyte populations. Botany 2002 Meetings,
[93] 2002. Soros, C. L. and D.
H. Les.* Phylogenetic
relationships
in
the
Alismataceae. Botany 2002
Meetings,
[94]
2003. Les, D. H., M. L.
Moody and C. L. Soros. A reappraisal of phylogenetic
relationships
in the monocotyledon family Hydrocharitaceae (Alismatidae). Monocots III,
[95] 2003. Waycott, M., D. H.
Les * and
P. A. G. Barnes.
Insights into the marine monocotyledons
based on molecular phylogenetic studies.
Monocots III,
[96] 2003. Crawford, D. J.,
J., E. Landolt, D. H. Les and R.
T. Kimball.
Speciation
in duckweeds (Lemnaceae): phylogenetic and ecological inferences. Monocots III,
[97] 2003.
Thompson,
L.G.,
H.
Brecher, M. Davis, B. León, D. Les, P.-N. Lin, T. Mashiotta,
E.
Mosley-Thompson and K. Mountain. Holocene climate
change in the tropics: evidence
of abrupt climate change past and
present. XVI INQUA Congress, Geological
Society of
[98]
2003. Les, D.
H., M. L. Moody, A. S. Doran and W. E. Philipps. The first genetically confirmed
intersubgeneric F1
hybrid in Nymphaea L. (Nymphaeaceae Salisb.). Botany
2003 meetings,
[99]
2003. Moody, M. L. and
D. H. Les. Hybrid
watermilfoil (Myriophyllum spicatum × M. sibiricum; Haloragaceae) populations: an invasive
threat to
North American lakes. Botany 2003 Meetings,
[100]
2004. Les, D.
H., M. L. Moody
and S. W.
L. Jacobs. Phylogeny and systematics of Aponogeton
(Aponogetonaceae) with an emphasis on Australian species. Botany 2004 Meetings, Snowbird,
[101] 2004. Moody, M. L. and D. H. Les. Getting
wet in a sunburnt
country: Phylogenetics of Haloragaceae R. Br. inferred from nuclear and
chloroplast DNA sequences.
Botany 2004 Meetings, Snowbird,
[102] 2005.
Les, D. H., M. L.
[103] 2005. Martine,
C.,
G. J. Anderson, D. H. Les and D.
[104] 2006. Crawford,
D.
J.,
E.
Landolt,
D.
H.
Les
and
R.
T. Kimball. Biogeography
and
speciation
in
the family Lemnaceae: interpreting
ecological data within a molecular phylogenetic context. XVII Reunión Anual de la Sociedad de Botánica
de Chile.
[105]
2006. Les, D.
H., R.
S. Capers and N. P. Tippery. Glossostigma (Phrymaceae)
in
North
America:
taxonomy
and
invasive
potential.
Botany
2006
Meetings,
[106] 2006. Tippery,
N.
P.,
D.
H.
Les,
D.
J.
Padgett
and
S. L. W.
Jacobs. Clades and grades: an evaluation of generic
circumscriptions in
Menyanthaceae Dumort. (Asterales). Botany
2006 Meetings,
[107] 2006. Martine,
C.,
G. J. Anderson and D. H. Les. Two
in the bush: on the evolution, distribution, and natural history of
dioecy in
Australian Solanum. Botany
2006
Meetings,
[108]
2006. Jacobs,
S. W.L., D. Les, C. B. Hellquist, C. Löhne, & T. Borsch.
Progress
on
studies
in
Australian
Aponogeton, Vallisneria
and Nymphaea. ASBS
Conference,
[109] 2007. Les, D. H., D. J. Crawford, N. P. Tippery, R. T. Kimball and
[110] 2007. Tippery,
N.
P.
and
D.
H.
Les.
Expanding the phylogenetic
utility of the
internal transcribed spacer (ITS) region using predicted secondary
structure. Botany
2007 Meetings,
[111]
2007. Benoit,
L. K. and D. H. Les. Assessment of genetic diversity in Hydrilla verticillata (L.f.) Royle
(Hydrocharitaceae) populations in the
[112] 2007.
Benoit, L. K. and D. H. Les.
Hydrilla verticillata in
[113]
2008. Clausen,
J. C. and D.
H. Les. Sensitivity of inland wetlands to watershed changes:
proposed
responses. CCNR Meetings,
[114]
2008. Les, D. H., S. Sheldon and
N. P. Tippery. Systematics of Najas
(Hydrocharitaceae). Botany
2008 Meetings,
[115] 2008. Moody, M. L. and D. H. Les. Molecules,
morphology
and
madness:
Systematics
of
the
aquatic
plant
genus
Myriophyllum
(Haloragaceae). Botany 2008 Meetings,
[116]
2008. Tippery, N. P., D. H. Les, D. J.
Padgett and S.
L. W. Jacobs. Taxonomic revision
of Villarsia (Menyanthaceae) in
[117]
2009.
Les, D. H, N. M. Murray and N. P. Tippery. Systematics
of Potamogeton vaseyi and P. gemmiparus
(Potamogetonaceae), two
imperiled aquatic plants. Botany 2009 Meetings, Snowbird,
[118]
2009.
Tippery, N. P. and D. H. Les. But will
it float? Evolution of inflorescence architecture in Nymphoides(Menyanthaceae).
Botany
2009
Meetings,
Snowbird,
[119] 2009. Benoit, L. and
D. H. Les.
Indications of hybridization between monoecious and dioecious
biotypes
of Hydrilla verticillata
(Hydrocharitaceae). Botany 2009 Meetings, Snowbird,
[120] 2009.
Tippery, N. P., C. T.
Philbrick and
D. H. Les. Systematics and
phylogenetic analysis of neotropical riverweeds (Podostemaceae). Botany
2009
Meetings,
Snowbird,
Utah.
[121]
2010. Capers,
R. S. and
D. H. Les. The CONN
virtual herbarium. Botany 2010 Meetings,
Providence, Rhode Island.
[122] 2010. Les, D. H. & N. P. Tippery. In time and with water ... the systematics of alismatid monocotyledons. Early Events in Monocot Evolution. A joint meeting of the Royal Botanic Gardens, Kew and the Linnean Society of London. London, England.