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Publications
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2022. Clade biology, phylogenetic biology, and systematics. Plant Science Bulletin. 68:7-11.
(170.26 KB)
(170.26 KB).
2022. Phylogenetic inference of where species spread or split across barriers. Proceedings of the National Academy of Sciences. 119(13):e2116948119. (2.76 MB)
(2.76 MB).
2022. Replicated radiation of a plant clade along a cloud forest archipelago. Nature Ecology & Evolution. 6:1318-1329. (11.37 MB)
(11.37 MB).
2022. Replicated radiation of a plant clade along a cloud forest archipelago. Nature Ecology & Evolution. (11.37 MB)
(11.37 MB).
2022. What in the world is a species? Arnoldia. 79(2):44–53. (1.06 MB)
(1.06 MB).
2021. Dispersers and environment drive global variation in fruit colour syndromes. Ecology Letters. 24:1387-1399. (23.3 MB)
(23.3 MB).
2021. Joint phylogenetic estimation of geographic movements and biome shifts during the global diversification of Viburnum. Systematic Biology. 70(1):67-85. (6.68 MB)
(6.68 MB).
2021. Modeling phylogenetic biome shifts on a planet with a past. Systematic Biology. 70(1):86-107. (1.58 MB)
(1.58 MB).
2021. Parallelism in endocarp form sheds light on fruit syndrome evolution in Viburnum. Systematic Botany. 46(2):504-517. (4.8 MB)
(4.8 MB).
2021. Phylogenomic insights into the independent origins of sterile marginal flowers in Viburnum. International Journal of Plant Sciences. 182(7):591-608. (10.43 MB) (677.11 KB)
(10.43 MB) (677.11 KB).
2021. Reconstructing Dipsacales phylogeny using Angiosperms353: issues and insights. American Journal of Botany. 108(7):1122–1142. (1.68 MB)
(1.68 MB).
2021. Resolved phylogenetic relationships in the Ocotea complex (Supraocotea) facilitate phylogenetic classification and studies of character evolution. American Journal of Botany. 108(4):664–679. (126.9 KB) (6.84 MB) (2.77 MB)
(126.9 KB) (6.84 MB) (2.77 MB).
2020. Campanulidae, Apiidae. Phylonyms: A Companion to the PhyloCode. :373-375,377-379. (4.08 MB)
(4.08 MB).
2020. Cupressophyta. Phylonyms: A Companion to the PhyloCode. :275-277. (1.99 MB)
(1.99 MB).
2020. Diversification in evolutionary arenas—Assessment and synthesis. Ecology and Evolution. 10:6163–6182. (1.96 MB)
(1.96 MB).
2020. Evolutionary dynamics of genome size in a radiation of woody plants. American Journal of Botany. 107(11):1-15. (705.66 KB)
(705.66 KB).
2020. Fruit syndromes in Viburnum: correlated evolution of color, nutritional content, and morphology in bird-dispersed fleshy fruits. BMC Evolutionary Biology. 20:7. (2.45 MB)
(2.45 MB).
2020. Gnetophyta, Mesangiospermae, Tricolpatae, Eudicotyledonae. Phylonyms: A Companion to the PhyloCode. :265-267,289-292,311-312,313-315. (4.64 MB)
(4.64 MB).
2020. Monilophyta, Pan-Gnetophyta. Phylonyms: A Companion to the PhyloCode. :247-251,263-264. (2.78 MB)
(2.78 MB).
2020. Pan-Coniferae, Coniferae, Pan-Angiospermae. Phylonyms: A Companion to the PhyloCode . :269-270,271-274,279-280. (2.51 MB)
(2.51 MB).
2020. Pan-Spermatophyta, Apo-Spermatophyta, Spermatophyta, Angiospermae. Phylonyms: A Companion to the PhyloCode. :253-254,255-257,259-261,283-287. (4.76 MB)
(4.76 MB).
2020. Pan-Tracheophyta, Apo-Tracheophyta, Trachaeophyta, Pan-Lycopodiophyta, Lycopodiophyta, Pan-Euphyllophyta, Euphyllophyta. Phylonyms: A Companion to the PhyloCode. :227-228,229-230,231-233,235-236,237-240,241-242,243-246. (6.41 MB)
(6.41 MB).
2020. Plant science decadal vision 2020–2030: Reimagining the potential of plants for a healthy and sustainable future. American Society of Plant Biologists. 00:1-24. (4.62 MB)
(4.62 MB).
2020. Viburnum tinus fruits use lipids to produce metallic blue structural color. Current Biology. 30:1-7. (3.13 MB)
(3.13 MB).
2019. Accumulation over evolutionary time as a major cause of biodiversity hotspots in conifers. Proceedings of the Royal Society B. 286:20191887. (853.28 KB)
(853.28 KB).
2019. Adaptation meets dispersal: legumes in the land of succulents. New Phytologist. 222(4):1667–1669. (366.05 KB)
(366.05 KB).
2019. Differences in flowering time maintain species boundaries in a continental radiation of Viburnum. American Journal of Botany. 106(6):1-17. (9.08 MB)
(9.08 MB).
2019. Model clades are vital for comparative biology, and ascertainment bias is not a problem in practice: a response to Beaulieu and O’Meara (2018). American Journal of Botany. 106(3):327-330. (134.01 KB)
(134.01 KB).
2019. Phylogeography of a widespread eastern North American shrub, Viburnum lantanoides. American Journal of Botany. 106(3):389–401. (1.94 MB) (84.86 KB)
(1.94 MB) (84.86 KB).
2019. Restriction-site-associated DNA sequencing reveals a cyptic Viburnum species on the North American Coastal Plain. Systematic Biology. 68(2):187–203. (1.84 MB)
(1.84 MB).
2019. Sterile marginal flowers increase visitation and fruit set in the hobblebush (Viburnum lantanoides, Adoxaceae) at multiple spatial scales. Annals of Botany. 123(2):381–390. (1.04 MB)
(1.04 MB).
2018. Global geographic patterns in the colours and sizes of animal-dispersed fruits. Global Ecology and Biogeography. 27:1339-1351. (1.2 MB)
(1.2 MB).
2018. Leaf form evolution in Viburnum parallels variation within individual plants. The American Naturalist. 191(2):235-249. (7.04 MB)
(7.04 MB).
2018. Plant height and hydraulic vulnerability to drought and cold. Proceedings of the National Academy of Sciences. 115(29):7551–7556. (1.58 MB)
(1.58 MB).
2018. Reconciling species diversity in a tropical plant clade (Canarium, Burseraceae). PLoS ONE. 13(6):e0198882. (2.74 MB)
(2.74 MB).
2018. Topological data analysis as a morphometric method: using persistent homology to demarcate a leaf morphospace. Frontiers in Plant Science. 9:553. (5.41 MB)
(5.41 MB).
2017. Convergence, consilience, and the evolution of temperate deciduous forests. The American Naturalist. 190:S87–S104. (1.37 MB)
(1.37 MB).
2017. Correlation, causation, and the evolution of leaf teeth: a reply to Givnish and Kriebel. American Journal of Botany. 104(4):509-515. (1.17 MB)
(1.17 MB).
2017. Different clades and traits yield similar grassland functional responses. Proceedings of the National Academy of Sciences United States of America. 114(4):705–710. (1.55 MB)
(1.55 MB).
2017. Future benefits from contemporary evosystem services: a response to Rudman et al.. Trends in Ecology & Evolution. 32(10):717-719. (431.28 KB)
(431.28 KB).
2017. Maximising synergy among tropical plant systematists, ecologists, and evolutionary biologists. Trends in Ecology & Evolution. 32(4):258-267. (1.48 MB)
(1.48 MB).
2017. Misconceptions on missing data in RAD-seq phylogenetics with a deep-scale example from flowering plants. Systematic Biology. 66(3):399-412. (914.13 KB)
(914.13 KB).
2017. The paucity of frugivores in Madagascar may not be due to unpredictable temperatures or fruit resources. PLoS ONE. 12(1):e0168943. (1.23 MB)
(1.23 MB).
2017. On the resurrection of Persicaria puratinorum (Polygonaceae). Phytotaxa. 308(1):20-36. (2.06 MB)
(2.06 MB).
2016. Characterization of 16 microsatellite markers for the Oreinotinus clade of Viburnum (Adoxaceae). Applications in Plant Sciences. 4(12):1600103. (514.1 KB)
(514.1 KB).
2016. Developing an exemplary collection: A vision for the next century at the Arnold Arboretum of Harvard University. Arnoldia. 73:2-18. (2.51 MB)
(2.51 MB).
2016. Hydraulic basis for the evolution of photosynthetic productivity. Nature Plants. 2(6) (1.34 MB)
(1.34 MB).
2016. Implications of lemuriform extinctions for the Malagasy flora. Proceedings of the National Academy of Sciences of the United States of America. (1.04 MB)
(1.04 MB).
2016. Photo Gallery of Vascular Plants.
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2016. Unpacking a century-old mystery: Winter buds and the latitudinal gradient in leaf form. American Journal of Botany. 103(6):975–978. (900.1 KB)
(900.1 KB).
2015. The biogeographic origin of a radiation of trees in Madagascar: Implications for the assembly of a tropical forest biome. BMC Evolutionary Biology. 15:216. (1.76 MB) (1.85 MB)
(1.76 MB) (1.85 MB).
2015. Confluence, synnovation, and depauperons in plant diversification. New Phytologist. 207(2):260-274. (3.21 MB)
(3.21 MB).
2015. Doubtful pathways to cold tolerance in plants. Nature. 521:E5-E6. (167.91 KB)
(167.91 KB).
2015. Functional differences between dominant grasses drive divergent responses to large herbivore loss in mesic savanna grasslands of North America and South Africa. Journal of Ecology. 103:714-724. (487.97 KB) (2.15 MB)
(487.97 KB) (2.15 MB).
2015. Heterogeneous rates of molecular evolution and diversification could explain the Triassic age estimate for angiosperms. Systematic Biology. 64(5):869-878. (1 MB)
(1 MB).
2015. Integration and macroevolutionary patterns in the pollination biology of conifers. Evolution. 69(6):1573-83. (576.18 KB) (1.37 MB)
(576.18 KB) (1.37 MB).
2015. Temperate radiations and dying embers of a tropical past: the diversification of Viburnum. New Phytologist. 207(2):340-354. (1.79 MB) (5.87 MB)
(1.79 MB) (5.87 MB).
2014. Biodiversity only makes sense in the light of evolution. Journal of Biosciences. 39(3):333-337. (118.49 KB)
(118.49 KB).
2014. Biome shifts and niche evolution in plants. Annual Review of Ecology, Evolution, and Systematics. 45:547–572. (1.46 MB)
(1.46 MB).
2014. A chloroplast tree for Viburnum (Adoxaceae) and its implications for phylogenetic classification and character evolution. American Journal of Botany. 101(6):1029-1049. (2.67 MB)
(2.67 MB).
2014. Climates and clades: Biased methods, biased results. arXiv:1406.5211. (303.09 KB)
(303.09 KB).
2014. Cone size is related to branching architecture in conifers. New Phytologist. 203(4):1119-1127. (625.88 KB) (0 bytes)
(625.88 KB) (0 bytes).
2014. Convergent phylogenetic and functional responses to altered fire regimes in mesic savanna grasslands of North America and South Africa. New Phytologist. 203(3):1000-1011. (491.99 KB) (106.57 KB)
(491.99 KB) (106.57 KB).
2014. Historical biogeography. The Princeton Guide to Evolution. :75-81. (1.05 MB)
(1.05 MB).
2014. Leaf life span and the leaf economic spectrum in the context of whole plant architecture. Journal of Ecology. 102:328–336. (1.3 MB)
(1.3 MB).
2014. Long-term morphological stasis maintained by a plant-pollinator mutualism. Proceedings of the National Academy of Sciences of the United States of America. 111(16):5914-5919. (2.52 MB)
(2.52 MB).
2013. The evolution of photosynthetic anatomy in Viburnum (Adoxaceae). International Journal of Plant Sciences. 174(9):1277-1291. (859.09 KB) (144.35 KB)
(859.09 KB) (144.35 KB).
2013. Explaining the distribution of breeding systems and dispersal syndromes in conifers. Proceedings of the Royal Society B: Biological Sciences. 280:20131812. (447.9 KB) (387.89 KB)
(447.9 KB) (387.89 KB).
2013. Fruit evolution and diversification in campanulid angiosperms. Evolution. 67(11):3132-3144. (2.49 MB) (2.21 MB)
(2.49 MB) (2.21 MB).
2013. Functional traits, the phylogeny of function, and ecosystem service vulnerability. Ecology and Evolution. 3(9):2958–2975. (339.53 KB)
(339.53 KB).
2013. How colorful are fruits? Limited color diversity in fleshy fruits on local and global scales New Phytologist. 198:617-629. (2.82 MB)
(2.82 MB).
2013. Identifying hidden rate changes in the evolution of a binary morphological character: The evolution of plant habit in campanulid angiosperms. Systematic Biology. 62(5):725-737. (2.8 MB)
(2.8 MB).
2013. Is it easy to move and easy to evolve? Evolutionary accessibility and adaptation Journal of Experimental Botany. 64(13):4047–4052. (542.19 KB)
(542.19 KB).
2013. Phylogenetic nomenclature, hierarchical information, and testability. Systematic Biology. 62:167-74. (152.45 KB)
(152.45 KB).
2013. A Southern Hemisphere origin for campanulid angiosperms, with traces of the break-up of Gondwana. BMC Evolutionary Biology. 13:80. (3.12 MB)
(3.12 MB).
2012. Barcoding success as a function of phylogenetic relatedness in Viburnum, a clade of woody angiosperms. BMC Evolutionary Biology. 12:73. (961.78 KB)
(961.78 KB).
2012. Duplications and expression of RADIALIS-like genes in Dipsacales. International Journal of Plant Sciences. 173:971-983. (665.45 KB)
(665.45 KB).
2012. Evolution of leaf form correlates with tropical-temperate transitions in Viburnum (Adoxaceae). Proceedings of the Royal Society B: Biological Sciences. 279:3905-13. (650.86 KB) (627.02 KB)
(650.86 KB) (627.02 KB).
2012. Expanded phylogenetic and dating analyses of the apples and their relatives (Pyreae, Rosaceae). Molecular Phylogenetics and Evolution. 63:230-43. (1.93 MB) (369.23 KB)
(1.93 MB) (369.23 KB).
2012. Foreward. El arbol de la vida: sistemática y evolución de los seres vivos. :xiii-xv. (340.6 KB)
(340.6 KB).
2012. Hemisphere-scale differences in conifer evolutionary dynamics. Proceedings of the National Academy of Sciences of the United States of America. 109:16217-21. (320.82 KB) (1.12 MB)
(320.82 KB) (1.12 MB).
2012. The historical biogeography of Scabiosa (Dipsacaceae): Implications for Old World plant disjunctions. Journal of Biogeography. 39:1086-1100. (3.83 MB) (93.35 KB)
(3.83 MB) (93.35 KB).
2012. Mapping the biosphere: Exploring species to understand the origin, organization and sustainability of biodiversity. Systematics and Biodiversity. 10:1-20. (329.21 KB)
(329.21 KB).
2012. Phylogenetic and experimental tests of interactions among mutualistic plant defense traits in Viburnum (Adoxaceae). The American Naturalist. 180:450-63. (844.48 KB)
(844.48 KB).
2012. Synthesizing phylogenetic knowledge for ecological research. Ecology. 93:S4-S13. (293.04 KB)
(293.04 KB).
2011. Angiosperm phylogeny: 17 genes, 640 taxa. American Journal of Botany. 98:704-30. (1.22 MB)
(203 KB) (9.35 MB)
(1.22 MB) (203 KB) (9.35 MB).
2011. Bipolar biogeography. Proceedings of the National Academy of Sciences of the United States of America. 108:6341-2. (602.37 KB)
(602.37 KB).
2011. Dissolution of Viburnum Section Megalotinus (Adoxaceae) of Southeast Asia and its implications for morphological evolution and biogeography. International Journal of Plant Sciences. 172:559-573. (1.02 MB)
(1.02 MB).
2011. Diversification of CYCLOIDEA expression in the evolution of bilateral flower symmetry in Caprifoliaceae and Lonicera (Dipsacales). Annals of Botany. 107:1521-32. (931.89 KB)
(931.89 KB).
2011. Diversification of CYCLOIDEA-like genes in Dipsacaceae (Dipsacales): Implications for the evolution of capitulum inflorescences. BMC Evolutionary Biology. 11:325. (641.32 KB) (79.98 KB)
(641.32 KB) (79.98 KB).
2011. Evolutionary history predicts plant defense against an invasive pest. Proceedings of the National Academy of Sciences of the United States of America. 108:7070-4. (445.05 KB)
(445.05 KB).
2011. Extreme environments select for reproductive assurance: Evidence from evening primroses (Oenothera). New Phytologist. 191:555-63. (396.53 KB) (48.76 KB)
(396.53 KB) (48.76 KB).
2011. The iPlant Collaborative: Cyberinfrastructure for plant biology. Frontiers In Plant Science. 2:34. (1.19 MB)
(1.19 MB).
2011. Molecular systematics and character evolution in Caryophyllaceae. Taxon. 60:1637-1652. (4.06 MB)
(4.06 MB).
2011. Phylogenetic nomenclature, three-taxon statements, and unnecessary name changes. Systematic Biology. 60(6):887-892. (132.03 KB)
(132.03 KB).
2011. Understanding angiosperm diversification using small and large phylogenetic trees. American Journal of Botany. 98:404-14. (608.42 KB) (4.37 MB)
(608.42 KB) (4.37 MB).
2010. A clade's-eye view of global climate change. Evolution since Darwin: The First 150 Years. :623-627. (476.14 KB)
(476.14 KB).
2010. Combining historical biogeography with niche modeling in the Caprifolium clade of Lonicera (Caprifoliaceae, Dipsacales). Systematic Biology. 59:322-41. (1.77 MB) (169.61 KB)
(1.77 MB) (169.61 KB).
2010. Evolutionary biology in biodiversity science, conservation and policy: A call to action. Evolution. 64:1517-1528. (776.53 KB)
(776.53 KB).
2010. Evosystem services: An evolutionary perspective on the links between biodiversity and human well-being. Current Opinion in Environmental Sustainability. 2:66-74. (241.45 KB)
(241.45 KB).
2010. Experiencing green pigeons. The Art of Ecology: Writings of G. Evelyn Hutchinson. :243-251. (1.47 MB)
(1.47 MB).
2010. Genetic diversity assessments in the century of genome science. Current Opinion In Environmental Sustainability. 2:43-49. (160.79 KB)
(160.79 KB).
2010. Phylogeny and phylogenetic nomenclature of the Campanulidae based on an expanded sample of genes and taxa. Systematic Botany. 35:425-441. (596.64 KB)
(596.64 KB).
2010. An uncorrelated relaxed-clock analysis suggests an earlier origin for flowering plants. Proceedings of the National Academy of Sciences of the United States of America. 107:5897-902. (1.12 MB) (559.71 KB)
(1.12 MB) (559.71 KB).
2009. A Bayesian approach for evaluating the impact of historical events on rates of diversification. Proceedings of the National Academy of Sciences of the United States of America. 106:4307-4312. (712.77 KB) (461.17 KB)
(712.77 KB) (461.17 KB).
2009. bioGENESIS: Providing an Evolutionary Framework for Biodiversity Science. :52pp. (4.9 MB)
(4.9 MB).
2009. Climate, niche evolution, and diversification of the “bird-cage” evening primroses (Oenothera, Sections Anogra and Kleinia). The American Naturalist. 173:225-240. (821.7 KB)
(821.7 KB).
2009. Duplications and expression of DIVARICATA-like genes in Dipsacales. Molecular Biology and Evolution. 26:1245-1258. (390.88 KB)
(390.88 KB).
2009. Historical biogeography of the endemic Campanulaceae of Crete. Journal of Biogeography. 36:1253-1269. (677.51 KB)
(677.51 KB).
2009. Mega-phylogeny approach for comparative biology: An alternative to supertree and supermatrix approaches. BMC Evolutionary Biology. 9:37. (4.05 MB) (64.35 KB)
(4.05 MB) (64.35 KB).
2009. Phylogenetic relationships, taxonomy, and morphological evolution in Dipsacaceae (Dipsacales) inferred by DNA sequence data. Taxon. 58:1075-1091. (824 KB)
(824 KB).
2008. Allopolyploid speciation in Persicaria (Polygonaceae): Insights from a low-copy nuclear region. Proceedings of the National Academy of Sciences of the United States of America. 105:12370-5. (1.26 MB)
(1.26 MB).
2008. Bioactive endophytes warrant intensified exploration and conservation. PLoS ONE. 3:1-4. (170.1 KB)
(170.1 KB).
2008. Colloquium paper: A phylogenetic perspective on the distribution of plant diversity. Proceedings of the National Academy of Sciences of the United States of America. 105 Suppl 1:11549-55. (339.83 KB)
(339.83 KB).
2008. Evolution and phylogenetic importance of endocarp and seed characters in Viburnum (Adoxaceae). International Journal of Plant Sciences. 169:409-431. (1.72 MB)
(1.72 MB).
2008. Incongruence between cpDNA and nrITS trees indicates extensive hybridization within Eupersicaria (Polygonaceae). American Journal of Botany. 95:1122-1135. (1.37 MB) (117.07 KB)
(1.37 MB) (117.07 KB).
2008. Mitochondrial sequence data and Dipsacales phylogeny: Mixed models, partitioned Bayesian analyses, and model selection. Molecular Phylogenetics and Evolution. 46:830-843. (232.4 KB)
(232.4 KB).
2008. Molecular phylogeny of Persicaria (Persicarieae, Polygonaceae). Systematic Botany. 33:77-86. (508.3 KB)
(508.3 KB).
2008. Phylogenetics of the Caprifolieae and Lonicera (Dipsacales) based on nuclear and chloroplast DNA sequences. Systematic Botany. 33:776-783. (352.72 KB)
(352.72 KB).
2008. Phylogeny and biogeography of Tsuga (Pinaceae) inferred from nuclear ribosomal ITS and chloroplast DNA sequence data. Systematic Biology. 33:478-489. (565.04 KB)
(565.04 KB).
2008. Rates of molecular evolution are linked to life history in flowering plants. Science. 322:86-89. (733.97 KB) (1.71 MB)
(733.97 KB) (1.71 MB).
2008. Toward a resolution of Campanulid phylogeny, with special reference to the placement of Dipsacales. Taxon. 57:53-65. (567.89 KB)
(567.89 KB).
2008. Tracing patterns of evolution through the tree of life: Introduction. Journal of Systematics and Evolution. 46:237-238. (118.66 KB)
(118.66 KB).
2007. bioGENESIS – a new DIVERSITAS Core Project is launched. DWIPA Newsletter. 21:1-2.
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2007. Correlates of diversification in the plant clade Dipsacales: Geographic movement and evolutionary innovations. The American Naturalist. 170 Suppl 2:S28-55. (1.19 MB)
(1.19 MB).
2007. The Kazbegi Research Agenda of GMBA-DIVERSITAS: For creative use of mountain biodiversity databases. Mountain Research and Development. 27:276-281. (387.54 KB)
(387.54 KB).
2007. Photo Gallery of Vascular Plants. A Companion to Plant Systematics: A Phylogenetic Approach.
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2007. The relevance of phylogeny to studies of global change. Trends in Ecology & Evolution. 22:243-249. (861.13 KB)
(861.13 KB).
2007. Towards a phylogenetic nomenclature of Tracheophyta. Taxon. 56:822-846. (887.91 KB)
(887.91 KB).
2007. Towards a phylogenetic nomenclature of Tracheophyta (Electronic Supplement). Taxon. 56:E1-E44. (9.73 MB)
(9.73 MB).
2006. Diversity without representation. Nature. 442:245-246. (590.78 KB)
(590.78 KB).
2006. Increasing data transparency and estimating phylogenetic uncertainty in supertrees: Approaches using nonparametric bootstrapping. Systematic Biology. 55:662-676. (3.03 MB)
(3.03 MB).
2006. Pereskia and the origin of the cactus life-form. The American Naturalist. 167:777-793. (3.58 MB)
(3.58 MB).
2006. Phylodiversity-dependent seedling mortality, size structure, and disease in a Bornean rain forest. Ecology. 87:S123-131. (213.49 KB)
(213.49 KB).
2006. Phylogenetic analysis of the "ECE" (CYC/TB1) clade reveals duplications predating the core eudicots. Proceedings of the National Academy of Sciences of the United States of America. 103:9101-9106. (897.69 KB)
(897.69 KB).
2005. Basal cactus phylogeny: Implications of Pereskia (Cactaceae) paraphyly for the transition to the cactus life form. American Journal of Botany. 92:1177-1188. (1.45 MB)
(1.45 MB).
2005. Biodiversity Inventory: Reflections on Preparedness and Efficiency. Proceedings of the International Conference "Biodiversity: Science and Governance". :79-86. (1015.45 KB)
(1015.45 KB).
2005. Dating the Dipsacales: comparing models, genes, and evolutionary implications. American Journal of Botany. 92:284-96. (116.42 KB)
(116.42 KB).
2005. Duplications in CYC-like genes from Dipsacales correlate with floral form. International Journal of Plant Sciences. 166:357-370. (559.35 KB)
(559.35 KB).
2005. Explosive radiation of Malpighiales supports a mid-cretaceous origin of modern tropical rain forests. The American Naturalist. 165:E36-65. (375.24 KB)
(375.24 KB).
2005. Viburnum phylogeny based on combined molecular data: Implications for taxonomy and biogeography. American Journal of Botany. 92:653-666. (261.74 KB)
(261.74 KB).
2005. John H. Beaman—Recipient of the 2004 Asa Gray Award. Systematic Botany. 30:1-6. (528.56 KB)
(528.56 KB).
2005. Key innovations, convergence, and success: Macroevolutionary lessons from plant phylogeny. Paleobiology. 31:77-93. (1.09 MB)
(1.09 MB).
2005. A likelihood framework for inferring the evolution of geographic range on phylogenetic trees. Evolution. 59:2299-2311. (1.37 MB)
(1.37 MB).
2005. Phylogeny and biogeography of Valerianaceae (Dipsacales) with special reference to the South American valerians. Organisms Diversity and Evolution. 5:147-159. (351.73 KB)
(351.73 KB).
2005. Phylomatic: Tree assembly for applied phylogenetics. Molecular Ecology Notes. 5:181-183. (53.77 KB)
(53.77 KB).
2004. Assembling the Tree of Life.
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2004. Assembling the tree of life: where we stand at the beginning of the 21st century. Assembling the Tree of Life. :553-561. (4.32 MB)
(4.32 MB).
2004. Charting the tree of life. Assembling the Tree of Life. :1-4. (2.09 MB)
(2.09 MB).
2004. Comparisons, Phylogeny, and Teaching Evolution. Proceedings of the Biological Sciences Curriculum Study (BSCS), American Institute of Biological Sciences (AIBS) Symposium. :69-77. (3.03 MB)
(3.03 MB).
2004. Dark and disturbed: A new image of early angiosperm ecology. Paleobiology. 30:82-107. (500.68 KB)
(500.68 KB).
2004. Detecting diversification rate variation in supertrees. Phylogenetic Supertrees: Combining Information to Reveal the Tree of Life. :487-533. (2.78 MB)
(2.78 MB).
2004. Historical biogeography, ecology and species richness. Trends in Ecology & Evolution. 19:639-644. (171.67 KB)
(171.67 KB).
2004. Immeasurable progress on the tree of life. Assembling the Tree of Life. :548-552. (3.33 MB)
(3.33 MB).
2004. Implementing the PhyloCode. Trends in Ecology & Evolution. 19:281-282. (52.48 KB)
(52.48 KB).
2004. Viburnum phylogeny based on the chloroplast trnK intron and nuclear ribosomal ITS DNA sequences. Systematic Botany. 29:188-198. (276.71 KB)
(276.71 KB).
2004. Viburnum phylogeny: evidence from the duplicated nuclear gene GBSSI. Molecular Phylogenetics and Evolution. 33:109-126. (1.06 MB)
(1.06 MB).
2004. Molecular phylogeny and biogeography of Ribes (Grossulariaceae), with an emphasis on gooseberries (subg. Grossularia). Systematic Botany. 29:77-96. (563.22 KB)
(563.22 KB).
2004. Patterns in the assembly of temperate forests around the Northern Hemisphere. Philosophical Transactions of the Royal Society B: Biological Sciences. 359:1633-1644. (299.85 KB)
(299.85 KB).
2003. Adaptive evolution in the photosensory domain of phytochrome A in early angiosperms. Molecular Biology and Evolution. 20:1087-1097. (162.02 KB)
(162.02 KB).
2003. The evolution of reproductive characters in Dipsacales. International Journal of Plant Sciences. 164:S453-S464. (492.07 KB)
(492.07 KB).
2003. Phylogeny and biogeography of Chamaecyparis (Cupressaceae) inferred from DNA sequences of the nuclear ribosomal ITS region. Rhodora. 105:106-117. (2.34 MB)
(2.34 MB).
2003. Phylogeny and biogeography of Morinaceae (Dipsacales) based on nuclear and chloroplast DNA sequences. Organisms, Diversity, and Evolution. 3:227-237. (88.32 KB)
(88.32 KB).
2003. The phylogeny of Rosoideae (Rosaceae) based on sequences of the internal transcribed spacers (ITS) of nuclear ribosomal DNA and the trnL/F region of chloroplast DNA. International Journal of Plant Sciences. 164:197-211. (261.82 KB)
(261.82 KB).
2003. Requirements of Phylogenetic Databases. Annual IEEE International Symposium on Bioinformation and Biomedical Engineering. (169.42 KB)
(169.42 KB).
2003. The small-world dynamics of tree networks and data mining in phyloinformatics. Bioinformatics. 19:1162-1168. (121.5 KB)
(121.5 KB).
2003. Toward an integrative historical biogeography. Integrative and Comparative Biology. 43:261-270. (181.06 KB)
(181.06 KB).
2002. Laurasian migration explains Gondwanan disjunctions: evidence from Malpighiaceae. Proceedings of the National Academy of Sciences of the United States of America. 99:6833-6837. (554.15 KB)
(554.15 KB).
2002. Photo Gallery of Vascular Plants. A companion to Plant Systematics: A Phylogenetic Approach.
.
2002. Phylogenetic relationships and biogeography of Stewartia (Camellioideae, Theaceae) inferred from nuclear ribosomal DNA ITS sequences. Rhodora. 104:117-133. (3.85 MB)
(3.85 MB).
2002. Phylogenies and community ecology. Annual Review of Ecology and Systematics. 33:475-505. (314.27 KB)
(314.27 KB).
2002. Phylogeny and biogeography of Cercis (Fabaceae): Evidence from chloroplast ndhF and nuclear ribosomal ITS sequences. Systematic Botany. 27:289-302. (244.67 KB)
(244.67 KB).
2002. Plant Systematics: A Phylogenetic Approach. (7.27 MB)
(7.27 MB).
2002. Plants. Encyclopedia of Evolution. 2:911-918.
.
2002. Recreating a functional ancestral archosaur visual pigment. Molecular Biology and Evolution. 19:1483-1489. (333.24 KB)
(333.24 KB).
2002. The root of the angiosperms revisited. Proceedings of the National Academy of Sciences of the United States of America. 99:6848-6853. (281.18 KB)
(281.18 KB).
2002. Transference of function, heterotopy, and the evolution of plant development. Developmental Genetics and Plant Evolution. :52-69. (3.26 MB)
(3.26 MB).
2002. TreeBASE: a database of phylogenetic knowledge. The Interoperable "Catalog of Life". :41-47. (53.84 KB)
(53.84 KB).
2001. Analysis of character correlations among wood decay mechanisms, mating systems, and substrate ranges in Homobasidiomycetes. Systematic Biology. 50:215-242. (487.55 KB)
(487.55 KB).
2001. Dipsacales phylogeny based on chloroplast DNA sequences. Harvard Papers in Botany. 6:481-500. (567.63 KB)
(567.63 KB).
2001. A likelihood framework for the phylogenetic analysis of adaptation. Adaptation and Optimality. :24-44. (3.29 MB)
(3.29 MB).
2001. Phylogenetic patterns in Northern Hemisphere plant geography. International Journal of Plant Sciences. 162:S41-S52. (499.63 KB)
(499.63 KB).
2001. Phylogenetic relationships of Torreya (Taxaceae) inferred from sequences of the nuclear ribosomal DNA ITS region. Harvard Papers in Botnay. 6:275-281. (3.09 MB)
(3.09 MB).
2001. Phylogenetics of Buckleya (Santalaceae) based on ITS sequences of nuclear ribosomal DNA. Rhodora. 103:137-150. (3.77 MB)
(3.77 MB).
2001. Phylogeny and biogeography of Taxus (Taxaceae) inferred from sequences of the internal transcribed spacer region of nuclear ribosomal DNA. Harvard Papers in Botany. 6:267-274. (3.27 MB)
(3.27 MB).
2001. Phylogeny and phylogenetic taxonomy of Dipsacales, with special reference to Sinadoxa and Tetradoxa (Adoxaceae). Harvard Papers in Botany. 6:459-480. (163.06 KB)
(163.06 KB).
2001. Phylogeny of Malpighiaceae: evidence from chloroplast ndhF and trnl-F nucleotide sequences. American Journal of Botany. 88:1830-1846. (920.68 KB)
(920.68 KB).
2001. Progress in Northern Hemisphere phytogeography: An introduction. International Journal of Plant Sciences. 162:S1-S2. (39.06 KB)
(39.06 KB).
2001. A wish list for systematic biology. Systematic Biology. 50:755-757. (69.47 KB)
(69.47 KB).
2000. Basal angiosperm phylogeny inferred from duplicate phytochromes A and C. International Journal of Plant Sciences. 161:S41-S55. (438.66 KB)
(438.66 KB).
2000. Evolutionary instability of ectomycorrhizal symbioses in basidiomycetes. Nature. 407:506-508. (125.22 KB)
(125.22 KB).
2000. Homoplasy and developmental constraint: a model and an example from plants. American Zoologist. 40:759-769. (130.91 KB)
(130.91 KB).
2000. A new age of discovery. Annals of the Missouri Botanical Garden. 87:110-126. (7.99 MB)
(7.99 MB).
2000. Phylogenetic analysis of dioecy in monocotyledons. The American Naturalist. 155:46-58. (151.44 KB)
(151.44 KB).
2000. Phylogeny and biogeography of Hamamelis (Hamamelidaceae). Harvard Papers in Botany. 5:171-178. (3.34 MB)
(3.34 MB).
2000. Phylogeny and biogeography of Triosteum (Caprifoliaceae). Harvard Papers in Botany. 5:157-166. (3.3 MB)
(3.3 MB).
2000. Phylogeny of the coneflowers and relatives (Heliantheae : Asteraceae) based on nuclear rDNA internal transcribed spacer (ITS) sequences and chlorplast DNA restriction site data. Systematic Botany. 25:539-565. (450.46 KB)
(450.46 KB).
2000. Recreating ancestral proteins. Trends in Ecology & Evolution. 15:109-114. (101.92 KB)
(101.92 KB).
2000. Seed plant phylogeny: Demise of the anthophyte hypothesis? Current Biology. 10:R106-R109. (115.44 KB)
(115.44 KB).
2000. Structure and function of tracheary elements in Amborella trichopoda. International Journal of Plant Sciences. 161:705-712. (760.74 KB)
(760.74 KB).
2000. Taxonomy and temporal diversity patterns. Paleobiology. 26:171-187. (2.29 MB)
(2.29 MB).
1999. Foreword. Plant Systematics: A Phylogenetic Approach. :xi-xii. (616.33 KB)
(616.33 KB).
1999. Guidelines for the use of herbarium materials in molecular research. Managing the Modern Herbarium. :265-276. (2.26 MB)
(2.26 MB).
1999. Inferring rates of change in flower symmetry in asterid angiosperms. Systematic Biology. 48:633-641. (290.72 KB)
(290.72 KB).
1999. More molecular evidence for interspecific relationships in Liquidambar (Hamamelidaceae). Rhodora. 101:87-91. (1.05 MB)
(1.05 MB).
1999. Phylogenetic relationships in the Hamamelidoideae inferred from sequences of TRN non-coding regions of chloroplast DNA. Harvard Papers in Botany. 4:343-356. (5.55 MB)
(5.55 MB).
1999. Phylogenetic relationships of cantharelloid and clavarioid Homobasidiomycetes based on mitochondrial and nuclear rDNA sequences. Mycologia. 91:944-963. (8.81 MB)
(8.81 MB).
1999. Phylogenetic studies within the Pezizales. I. 18s rRNA sequence data and classification. Mycologia. 91:41-50. (4.77 MB)
(4.77 MB).
1999. The root of angiosperm phylogeny inferred from duplicate phytochrome genes. Science. 286:947-950. (194.16 KB)
(194.16 KB).
1999. Species names in phylogenetic nomenclature. Systematic Biology. 48:790-807. (207.23 KB)
(207.23 KB).
1998. Duplicate genes and the root of angiosperms, with an example using phytochrome sequences. Molecular Phylogenetics and Evolution. 9:489-500. (341.94 KB)
(341.94 KB).
1998. Integrating phylogenetic analysis and classification in fungi. Mycologia. 90:347-356. (4.09 MB)
(4.09 MB).
1998. Leaf size, sapling allometry, and Corner’s rules: Phylogeny and correlated evolution in maples (Acer). The American Naturalist. 152:767-791. (475.69 KB)
(475.69 KB).
1998. Phylogenetic analysis of Potentilla using DNA sequences of nuclear ribosomal internal transcribed spacers (ITS), and implications for the classification of Rosoideae (Rosaceae). Plant Systematics and Evolution. 211:155-179. (1.8 MB)
(1.8 MB).
1998. Phylogeny and biogeography of Lentinula inferred from an expanded rDNA dataset. Mycological Research. 102:1041-1049. (3.44 MB)
(3.44 MB).
1998. Phylogeny and the evolution of flower symmetry in the Asteridae. Trends in Plant Science. 3:311-317. (193.66 KB)
(193.66 KB).
1998. Step matrices and the interpretation of homoplasy. Systematic Biology. 47:582-588. (150.79 KB)
(150.79 KB).
1998. Stomatal plugs of Drimys winteri (Winteraceae) protect leaves from mist but not drought. Proceedings of the National Academy of Sciences of the United States of America. 95:14256-14259. (360.71 KB)
(360.71 KB).
1997. Analyzing large data sets: rbcL 500 revisited. Systematic Biology. 46:554-563. (1.51 MB)
(1.51 MB).
1997. Evolution of alcohol dehydrogenase genes in peonies (Paeonia): Phylogenetic relationships of putative nonhybrid species. Molecular Biology and Evolution. 14:994-1007. (2.16 MB)
(2.16 MB).
1997. Evolution of Gilled Mushrooms and Puffballs Inferred from Ribosomal DNA Sequences. Proceedings of the National Academy of Sciences of the United States of America. 94:12002-12006. (2.18 MB)
(2.18 MB).
1997. Fossil mushrooms from Miocene and Cretaceous ambers and the evolution of Homobasidiomycetes. American Journal of Botany. 84:981-991. (2.22 MB)
(2.22 MB).
1997. Is Phellinites digiustoi the oldest homobasidiomycete? American Journal of Botany. 84:1005-1011. (6.08 MB)
(6.08 MB).
1997. Viburnum. A Flora of the Chihuahuan Desert Region. (605.64 KB)
(605.64 KB).
1997. Persistent nuclear ribosomal DNA sequence polymorphism in the Amelanchier agamic complex (Rosaceae). Molecular Biology and Evolution. 14:81-90. (1.81 MB)
(1.81 MB).
1997. Phylogenetic relationships of Sambucus and Adoxa (Adoxoideae, Adoxaceae) based on nuclear ribosomal ITS sequences and preliminary morphological data. Systematic Botany. 22:555-573. (2.49 MB)
(2.49 MB).
1996. Implications of phylogenetic studies for conservation of genetic diversity in shiitake mushrooms. Conservation Biology. 10:1321-1327. (602.59 KB)
(602.59 KB).
1996. Morphology and phylogeny of the order Dipsacales. Phylogeny of the Dipsacales, A. Backlund, Doctoral Dissertation. (23.72 MB)
(23.72 MB).
1996. Phylogenetic uncertainties and sensitivity analyses in comparative biology. Philosophical Transactions of the Royal Society B: Biological Sciences. 351:1241-1249. (1.71 MB)
(1.71 MB).
1996. Reconstructing shifts in diversification rates on phylogenetic trees. Trends in Ecology & Evolution. 11:15-20. (841.14 KB)
(841.14 KB).
1996. The relationship between homoplasy and confidence in a phylogenetic tree. Homoplasy: The Recurrence of Similarity in Evolution. :67-89. (5.35 MB)
(5.35 MB).
1995. Choosing among alternative "phylogenetic" species concepts. Systematic Botany. 20:560-573. (1.91 MB)
(1.91 MB).
1995. Cretaceous mushrooms in amber. Nature. 377:487. (297.17 KB)
(297.17 KB).
1995. The evolution of self-incompatibility in flowering plants: A phylogenetic approach. Experimental and Molecular Approaches to Plant Biosystematics. :355-382. (5.54 MB)
(5.54 MB).
1995. The ITS region of nuclear ribosomal DNA: A valuable source of evidence on angiosperm phylogeny. Annals of the Missouri Botanical Garden. 82:247-277. (3.61 MB)
(3.61 MB).
1995. Phylogenetic diversity in shiitake inferred from ribosomal DNA sequences. Mycologia. 87:618-638. (9.54 MB)
(9.54 MB).
1995. Phylogenetic relationships in Maloideae (Rosaceae): Evidence from sequences of internal transcribed spacers of nuclear ribosomal DNA and its congruence with morphology. American Journal of Botany. 82:903-918. (3.17 MB)
(3.17 MB).
1995. Phylogeny and ecology reconsidered. Journal of Ecology. 83:730-733. (429.39 KB)
(429.39 KB).
1995. Progress toward a phylogenetic classification of the Polyporaceae through parsimony analysis of mitochondrial ribosomal DNA sequences. Canadian Journal of Botany-Revue Canadienne de Botanique. 73:S853-S861. (4.4 MB)
(4.4 MB).
1995. Separate versus combined analysis of phylogenetic evidence. Annual Review of Ecology and Systematics. 26:657-681. (1.65 MB)
(1.65 MB).
1995. Winged fruits of Linnaeeae (Caprifoliaceae) in the Tertiary of Western North America: Diplodipelta gen. nov.. International Journal of Plant Sciences. 156:709-722. (4.62 MB)
(4.62 MB).
1994. Angiosperm family pairs: Preliminary phylogenetic analyses. Harvard Papers in Botany. 5:1-51. (23.87 MB)
(23.87 MB).
1994. Complexity and homology in plants. Homology: The Hierarchical Basis of Comparative Biology. :393-421. (10.14 MB)
(10.14 MB).
1994. Integration of morphological and ribosomal RNA data on the origin of angiosperms. Annals of the Missouri Botanical Garden. 81:419-450. (4.61 MB)
(4.61 MB).
1994. Interoperability of biological data bases: A meeting report. Systematic Biology. 43:585-589. (656.96 KB)
(656.96 KB).
1994. Progress and prospects in reconstructing plant phylogeny. Annals of the Missouri Botanical Garden. 81:405-418. (2.17 MB)
(2.17 MB).
1994. Shifts in diversification rate with the origin of angiosperms. Science. 264:1590-1593. (1000.28 KB)
(1000.28 KB).
1993. Crusade? A reply to Nelson. Systematic Biology. 42:216-217. (219.16 KB)
(219.16 KB).
1993. The growth of phylogenetic information and the need for a phylogenetic database. Systematic Biology. 42:562-568. (1.03 MB)
(1.03 MB).
1993. Monophyly of the aneuploid species of Astragalus: Evidence from nrDNA internal transcribed spacer sequences. American Journal of Botany. 80:711-722. (2.33 MB)
(2.33 MB).
1993. Phylogenies and angiosperm diversification. Paleobiology. 19:141-167. (3.95 MB)
(3.95 MB).
1992. The evolution of endosperm: a phylogenetic account. Ecology and Evolution of Plant Reproduction: New Approaches. :356-389. (8.26 MB)
(8.26 MB).
1992. Fossils and seed plant phylogeny reanalyzed. Brittonia. 44:89-106. (2.71 MB)
(2.71 MB).
1992. Homology. Keywords in Evolutionary Biology. :170-179. (2.62 MB)
(2.62 MB).
1992. Phylogenetic relationships of Dipsacales based on rbcL sequences. Annals of the Missouri Botanical Garden. 79:333-345. (2.03 MB)
(2.03 MB).
1992. The suitability of molecular and morphological evidence in reconstructing plant phylogeny. Molecular Systematics of Plants. :340-368. (7.86 MB)
(7.86 MB).
1992. Walter Zimmerman and the growth of phylogenetic theory. Systematic Biology. 41:74-85. (1.74 MB)
(1.74 MB).
1991. Against consensus. Systematic Zoology. 40:486-493. (1.09 MB)
(1.09 MB).
1991. Angiosperm monophyly. Trends in Ecology & Evolution. 6:407. (161.4 KB)
(161.4 KB).
1990. Phylogenetic systematics and species revisited. Cladistics. 6:83-90. (2.94 MB)
(2.94 MB).
1990. Phylogenetic systematics or Nelson’s version of cladistics? Cladistics. 6:61-75. (5.52 MB)
(5.52 MB).
1990. Sociology, selection, and success: a critique of David Hull’s analysis of science and systematics. Biology and Philosophy. 5:459-472. (5.06 MB)
(5.06 MB).
1990. Why parsimony? (Review of Sober, E. 1988. Reconstructing the Past: Parsimony, Evolution, and Interference. Cambridge: M.I.T. Press.) Evolution. 44:1121-1123. (476.32 KB)
(476.32 KB).
1989. Angiosperm origins. Nature. 342:131. (144.72 KB)
(144.72 KB).
1989. The importance of fossils in phylogeny reconstruction. Annual Review of Ecology and Systematics. 20:431-460. (1.69 MB)
(1.69 MB).
1989. Patterns of variation in levels of homoplasy. Evolution. 43:1781-1795. (2.33 MB)
(2.33 MB).
1989. Phylogenetic analysis of angiosperms and the relationships of Hamamelidae. Evolution, Systematics, and Fossil History of the Hamamelidae. 1:17-45. (1.74 MB)
(1.74 MB).
1989. Phylogenetic studies of seed plants and angiosperms based on morphological characters. The Hierarchy of Life: Molecules and Morphology in Phylogenetic Analysis: Proceedings from Nobel Symposium 70. (3.19 MB)
(3.19 MB).
1989. Phylogenies and the analysis of evolutionary sequences, with examples from seed plants. Evolution. 43:1137-1156. (2.99 MB)
(2.99 MB).
1988. Paraphyly, ancestors, and the goals of taxonomy: a botanical defense of cladism. Botanical Review. 54:107-128. (8.08 MB)
(8.08 MB).
1988. Phylogenetic systematics and the species problem. Cladistics. 4:317-338. (8.1 MB)
(8.1 MB).
1987. Experiments and hypotheses in systematics. Taxon. 36:584-587. (1.75 MB)
(1.75 MB).
1987. The importance of fossils in elucidating seed plant phylogeny and macroevolution. Review of Paleobotany and Palynology. 50:63-95. (2.6 MB)
(2.6 MB).
1987. The origin of angiosperms: a cladistic approach. The Origins of Angiosperms and Their Biological Consequences. (8.42 MB)
(8.42 MB).
1987. South African perspectives on species: an evaluation of the recognition concept. Cladistics. 2:285-294. (4.54 MB)
(4.54 MB).
1986. Miscellaneous cladistics. Systematic Botany. 11:496-499. (551.2 KB)
(551.2 KB).
1986. Polarity assessment in phylogenetic systematics: a response to Meacham. Taxon. 35:534-538. (1.71 MB)
(1.71 MB).
1986. Relationships of angiosperms and Gnetales: a numerical cladistic analysis. Systematic and Taxonomic Approaches in Palaeobotany. (7.71 MB)
(7.71 MB).
1986. Seed plant phylogeny and the origin of angiosperms: an experimental cladistic approach. Botanical Review. 52:321-431. (28.26 MB)
(28.26 MB).
1985. A critique of the biological species concept and recommendations for a phylogenetic alternative. The Bryologist. 88:172-181. (1.69 MB)
(1.69 MB).
1985. Pollen diversity and exine evolution in Viburnum and the Caprifoliaceae sensu lato. Journal of the Arnold Arboretum. 66:421-469. (11.83 MB)
(11.83 MB).
1984. The logic and limitations of the outgroup substitution approach to cladistic analysis. Systematic Botany. 9:192-202. (1.43 MB)
(1.43 MB).
1984. Outgroup analysis and parsimony. Systematic Zoology. 33:83-103. (3.13 MB)
(3.13 MB).
1984. A revision of Caprifoliaceae of Japan with reference to allied plants in other districts and to Adoxaceae (Book Review). Systematic Botany. 9:126-127. (272.79 KB)
(272.79 KB).
1983. The phylogenetic relationships of Viburnum. Advances in Cladistics. :143-166. (8.34 MB)
(8.34 MB).
1983. A preliminary analysis of phylogenetic relationships in Viburnum (Caprifoliaceae s.l.). Systematic Botany. 8:45-58. (1.85 MB)
(1.85 MB).
1982. A botanical classification (Review of Dahlgren, R.M.T., and H.T. Clifford. 1982. The Monocotyledons. A Comparative Study.). Science. 217:1133-1134. (529.45 KB)
(529.45 KB).
1982. Species concepts: A case for pluralism. Systematic Zoology. 31(4):491-503. (1.98 MB)
(1.98 MB).
1981. Characters, computers, and cladograms: A review of the Berkeley cladistics workshop. Systematic Botany. 6:359-372. (1.62 MB)
(1.62 MB).
1981. Growth patterns in woody plants with examples from the genus Viburnum. Arnoldia. 41(1):2-23. (7.03 MB)
(7.03 MB).
1980. Flowering times in Viburnum. Arnoldia. 40(1):2-22. (4.8 MB)
(4.8 MB)