Displaying 3851 - 3925 out of 267543 Object(s)

Author(s) Year Article/Chapter Title Book/Journal
Higgins, W. E. 1997 A reconsideration of the genus Prostechea (Orchidaceae).   View Details Phytologia
Berry, C. M. 2000 A reconsideration of Wattieza Stockmans (here attributed to Cladoxylopsida) based on a new species from the Devonian of Venezuela.   View Details Review of palaeobotany and palynology
Galinat, W. C. 2002 A reconstruction of a possible role of crucial observations leading to a rapid domestic transformation of wild teosinte into the first maize.   View Details Economic botany; Devoted to past, present, and future uses of plants by people
Marchant, R., Berrio, J. C., Cleef, Antoine M., Duivenvoorden, J., Helmens, K., Hooghiemstra, H., Kuhry, P., Melief, B., Schreve-Brinkman, E., Van Geel, B., Van Reenen, G., van der Hammen, Tomas 2001 A reconstruction of Colombian biomes derived from modern pollen data along an altitude gradient.   View Details Review of palaeobotany and palynology
Haines, A. 2003 A record for Selaginella eclipes (Selaginellaceae) in Massachusetts.   View Details Rhodora, The Journal of the New England Botanical Club
Tabarelli, Marcelo, Villani, J. P., Mantovani, W. 1993 A recuperação da floresta atlântica sob plantios de Eucalyptus no Núcleo Santa Virgínia - SP.   View Details Revista do Instituto Florestal
Shin, W., Brosnan, S., Triemer, Richard E. 2002 Are cytoplasmatic pockets (MTR/Pocket) present in all photosynthetic euglenoid genera?   View Details Journal of phycology
Yeo, P. F. 1990 A re-definition of Verbena brasiliensis.   View Details Kew Bulletin
Padgett, D. J. 1996 A red-fruited Nuphar advena (Nymphaeaceae) from Virginia.   View Details Castanea; the journal of the Southern Appalachian Botanical Club
Wiehler, H., Chautems, Alain 1995 A reduction of Lietzia to Sinningia.   View Details Gesneriana; a journal for biological research in the plant family Gesneriaceae
Sillett, S. C., Van Pelt, R. 2000 A redwood tree whose crown is a forest canopy.   View Details Northwest Science
Schneider, Craig W., McDevit, D. C. 2002 Are earthworms a possible mechanism for airborne dispersal of the alga Vaucheria?   View Details Northeastern Naturalist
Morales Q., J. Francisco 1997 A reevaluation of Echites and Prestonia sect. Coalitae (Apocynaceae).   View Details Brittonia: a journal of systematic botany
Hickey, R. James, Macluf, C., Taylor, W. C. 2003 A re-evaluation of Isoetes savatieri Franchet in Argentina and Chile.   View Details American Fern Journal; quarterly journal of the American Fern Society
Golden, J. L., Kim, Y. D., Bain, J. F. 2001 A re-evaluation of North American Tephroseris and Sinosenecio (Asteraceae: Senecioneae) based on molecular and micromorphological data.   View Details Canadian Journal of Botany
Lewinsky-Haapasaari, J., Norris, Daniel H. 1998 A re-evaluation of Orthotrichum euryphyllum.   View Details Bryologist: A journal of bryology and lichenology
Schrire, B. D., Simms, J. R. 1997 A re-evaluation of pollen morphology and taxonomy in the tribe Indigoferae (Leguminosae-Papilionoideae).   View Details Kew Bulletin
Scholler, M., Hagedorn, G., Rubner, A. 1999 A reevaluation of predatory orbiliaceous fungi. II. A new generic concept.   View Details Sydowia; An international journal of mycology
Consaul, L. L., Gillespie, Lynn J. 2001 A re-evaluation of species limits in Canadian Arctic Island Puccinellia (Poaceae): resolving key characters.   View Details Canadian Journal of Botany
Wu, Q., Hughes, Karen W., Petersen, Ronald H. 1995 A reevaluation of taxa of Clavicorona subg. Ramosa based on morphology, compatibility, and laccase electrophoretic patterns.   View Details Sydowia; An international journal of mycology
Tronchin, Enrico M., Freshwater, D. W., Bolton, J. J. 2003 A re-evaluation of the genera Beckerella and Ptilophora (Gelidiales, Rhodophyta) based on molecular and morphological data.   View Details Phycological Newsletter
Alderman, S. C., Halse, Richard R., White, J. F. 2004 A reevaluation of the host range and geographical distribution of Claviceps species in the United States.   View Details Plant disease
Hywel-Jones, Nigel L., Evans, H. C., Yan Jun 1997 A re-evaluation of the leafhopper pathogen Torrubiella hemipterigena, its anamorph Verticillium hemipterigenum and V. pseudohemipterigenum sp. nov.   View Details Mycological Research
Turner, Billie L. 1999 A reevaluation of the Mexican species of Glandularia (Verbenaceae).   View Details Lundellia
O'Donnell, K. 1994 A reevaluation of the mitotic spindle pole body cycle in Tilletia caries based on freeze-substitution techniques.   View Details Canadian Journal of Botany
Thomson, G. 2002 A re-evaluation of the taxonomic status of the genus Melocactus in Aruba, Netherland Antilles.   View Details Bradleya; yearbook of the British Cactus and Succulent Society
Rova, J. H. E., Andersson, Lennart 1995 A reevaluation of the tribes Hippotideae and Tammsieae (Rubiaceae).   View Details Nordic Journal of Botany
Platt, P. L., Spatafora, J. W. 1999 A re-examination of generic concepts of baeomycetoid lichens based on phylogenetic analyses of nuclear SSU and LSU ribosomal DNA.   View Details The Lichenologist
Cantino, Philip D., Wagstaff, Steven J. 1998 A reexamination of North American Satureja s.l. (Lamiaceae) in light of molecular evidence.   View Details Brittonia: a journal of systematic botany
Broyles, S. B., Wyatt, R. 1995 A reexamination of the pollen-donation hypothesis in an experimental population of Asclepias exaltata.   View Details Evolution; international journal of organic evolution
Galen, C., Shserry, R. A., Carroll, A. B. 1999 Are flowers physiological sinks or faucets? Costs and correlates of water use by flowers of Polemonium viscosum.   View Details Oecologia
Tabarelli, Marcelo, Mantovani, W. 1999 A regeneração de uma floresta tropical montana após corte e queima (São Paulo-Brasil).   View Details Revista Brasileira de Biologia
Behrens, C. A., Baksh, M. G., Mothes, M. 1994 A regional analysis of Barí land use intensification and its impact on landscape heterogrneity.   View Details Human ecology; an interdisciplinary journal
Gómez, J. A. A., Bellon, M. R., Smale, M. 2000 A regional analysis of maize biological diversity in southeastern Guanajuato, Mexico.   View Details Economic botany; Devoted to past, present, and future uses of plants by people
Nelson, T. A., Lee, D. J., Smith, B. C. 2003 Are "green tides" hearmful algal blooms? Toxic properties of water-soluble extracts from two bloo-forming macroalgae, Ulva fenestrata and Ulvaria obscura (Ulvophyceae).   View Details Journal of phycology
Spribille, T., Stroh, H. G., Triepke, F. J. 2002 Are habitat types compatible with floristically-derived associations?   View Details Journal of vegetation science
Hennon, P. E. 1995 Are heart rot fungi major factors of disturbance in gap-dynamic forests?   View Details Northwest Science
Leuschner, Christoph 2000 Are high elevations in tropical mountains arid environments for plants?   View Details Ecology
Rogers, J. D., Ju, Yu-Ming, Watling, Roy, Whalley, A. J. S. 1999 A reinterpretation of Daldinia concentrica based upon a recently discovered specimen.   View Details Mycotaxon
Petryna, L., Moora, M., Nuñes, C. O., Cantero, J. J., Zobel, M. 2002 Are invaders disturbance-limited? Conservation of mountain grasslands in Central Argentina.   View Details Applied vegetation science. Uppsala
Mitchell, R. 1999 Are invasive plants really a serious danger to native plants & communities?   View Details Wildflower
Buckley, Y. M., Downey, P., Fowler, S. V., Hill, R., Memmot, J., Norambuena, H., Pitcairn, M., Shaw, R., Sheppard, A. W., Winks, C., Wittenberg, R., Rees, M. 2003 Are invasives bigger? A global study of seed size variation in two invasive shrubs.   View Details Ecology
Galtier, J., Beck, C. B. 1995 A reinvestigation of Calamopitys americana with a description of two species from the Lower Carboniferous of U.S.A. and France.   View Details Palaeontographica. Abteiling B. Paläophytologie
Guevara, S., Laborde, J., Sánchez, G. 1998 Are isolated remnant trees in pastures a fragmented canopy?   View Details Selbyana
Taylor, D. C., Robinson, H. 1999 A rejection of Pepinia (Bromeliaceae: Pitcairnioideae) and taxonomic revisions.   View Details Harvard Papers in Botany
Taisma, María A., Herrera, A. 1998 A relationship between fecundity, survival, and the operation of crassulacean acid metabolism in Talinum triangulare.   View Details Canadian Journal of Botany
Pannewitz, S., Schlensog, M., Green, T. G. A., Sancho, L. G., Schroeter, B. 2003 Are lichens active under snow in continental Antarctica?   View Details Oecologia
Williams-Linera, Guadalupe, Devall, M. S., Alvarez-Aquino, Claudia 2000 A relict population of Fagus grandifolia var. mexicana at the Acatlan Volcano, Mexico: Structure, litterfall, phenology and dendroecology.   View Details Journal of Biogeography
Higgins, S. I., Nathan, R., Cain, M. L. 2003 Are long-distnace dispersal events in plants usually caused by nonstandard means of dispersal?   View Details Ecology
Sérsic, A. N., Cocucci, Andrea A. 1996 A remarkable case of ornithophily in Calceolaria: Food bodies as rewards for a non-nectarivorous bird.   View Details Botanica acta; Berichte der Deutschen Botanischen Gesellschaft (Journal of the German Botanical Society)
Till, W., Halbritter, H., Zecker, E. 1989 A remarkable, new, large Tillandsia from western Mexico.   View Details Journal of the Bromeliad Society
Hodel, Donald R., Herrera, G., Cascante, A. 1997 A remarkable new species and additional novelties of Chamaedorea from Costa Rica and Panamá.   View Details The Palm journal
Klitgaard, Bente B., Queiroz, Luciano P. de, Lewis, Gwilym P. 2000 A remarkable new species of Pterocarpus (Leguminosae: Papolonoideae: Dalbergieae) from Bahia, Brazil.   View Details Kew Bulletin
Erskine, A. J. 1994 A remembrance of John Steuart Erskine, 1900--1981   View Details Canadian field-naturalist
Brison, A. L., Philippe, M., Thevenard, F. 2001 Are Mesozoic wood rings climate-induced?   View Details Paleobiology
Tanabe, Y., Watanabe, M. M., Sugiyama, J. 2002 Are Microsporidia really related to fungi?: A reappraisal based on additional gene sequences from basal fungi.   View Details Mycological Research
Chen, H. Y. H., Kilnka, K., Mathey, A. H., Wang, X., Varga, P., Chourmouzis, C. 2003 Are mixed-species stands more productuve than single-species stands: An empirical test of three forest types in British Columbia and Alberta.   View Details Canadian journal of forest research
DeFalco, L. A., Bryla, D. R., Smith-Longozo, V., Nowak, R. S. 2003 Are Mojave Desert annual species equal? Resource acquisition and allocation for the invasive grass Bromus madritensis subsp. rubens (Poaceae) and two native species.   View Details American Journal of Botany; official publication of the Botanical Society of America
Schaechter, E., Pirlot, J. M. 2001 A Renaissance Phallus.   View Details McIlvainea
Volponi, C. R. 1995 Arenaria lanuginosa (Caryophyllaceae) en México: Morfología foliar.   View Details Anales del instituto de biologia de la universidad nacional autonoma de Mexico. Serie Botanica
Ross, T. S., Boyd, S. 1996 Arenaria macradenia var. kuschei (Caryophyllaceae), re-collection of an obscure Californian taxon, with notes on known habitat and morphological variation.   View Details Crossosoma. Claremont, CA
Maloof, J. E., Inouye, D. W. 2000 Are nectar robbers cheaters or mutualists?   View Details Ecology
Torres, C., Galetto, Leonardo 2002 Are nectar sugar composition and corolla tube length related to the diversity of insects that visit Asteraceae flowers?   View Details Plant biology
Kraan, S., Rueness, J., Guiry, M. D. 2001 Are North Atlantic Alaria esculenta and A. grandifolia (Alariaceae, Phaeophyceae) conspecific?   View Details European journal of phycology
Campbell, S. P., Boecklen, W. J. 2002 Are plant hybrid zones centers of vertebrate biodiversity? A test in the Quercus grisea × Quercus gambelli species complex.   View Details Biodiversity and Conservation.
Bruna, E. M. 2003 Are plant populations in fragmented habitats recruitment limited? Tests with an Amazonian herb.   View Details Ecology
Thébaud, C., Simberloff, D. 2001 Are plants really larger in their introduced ranges?   View Details The American Naturalist
Strand, A. E., Milligan, B. G., Pruitt, C. M. 1996 Are populations islands? Analysis of chloroplast DNA variation in Aquilegia [Ranunculaceae].   View Details Evolution; international journal of organic evolution
St. Hilaire, L. 2003 A report from the twenty-seventh annual Andrews Foray September 2002, Saco, Maine.   View Details Evansia
Carter, R., Mears, R. L., Burkes, K. C., Bryson, Charles T. 1996 A report of four exotic Cyperus (Cyperaceae) species new to Florida, U.S.A.   View Details Sida; Contributions to Botany
Higgins, S. S. 1999 A report on some rare, threatened, endangered, or endemic plant species of the Wenatchee National Forest, Washington.   View Details Douglasia occasional papers
Gordon, J. E., Barrance, A. J., Schreckenberg, K. 2003 Are rare apecies useful species? Obstacles to the conservation of tree diversity in the dry forest zone agro-ecosystems of Mesoamerica.   View Details Global ecology and biogeography
Ragan, M. A., Gutell, R. R. 1995 Are red algae plants?   View Details Botanical Journal of the Linnean Society
Walters, M. B., Reich, Peter B. 1996 Are shade tolerance, survival, and growth linked? Low light and nitrogen effects on hardwood seedlings.   View Details Ecology
Kampny, C. M. 1995 Are Synthyris and Besseya closely related to Wulfenia (Scrophulariaceae -- Veroniceae)? Evidence from floral development.   View Details Canadian Journal of Botany