Search Results - "Koehler, Samantha"

The Role of Non-Mycorrhizal Fungi in Germination of the Mycoheterotrophic Orchid Pogoniopsis schenckii Cogn by Sisti, Laís Soêmis, Flores-Borges, Denisele Neuza Aline, de Andrade, Sara Adrián López, Koehler, Samantha, Bonatelli, Maria Letícia, Mayer, Juliana Lischka Sampaio

“…Endophytic fungi are those that inhabit within organs and tissues without causing damage, while mycorrhizal fungi develop hyphal complexes called pelotons…”
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Phylogenetic relationships and infrageneric classification of Epidendrum subgenus Amphiglottium (Laeliinae, Orchidaceae) by Pinheiro, Fábio, Koehler, Samantha, Corrêa, Andréa Macêdo, Salatino, Maria Luiza Faria, Salatino, Antonio, de Barros, Fábio

“…Epidendrum L. is the largest genus of Orchidaceae in the Neotropical region; it has an impressive morphological diversification, which imposes difficulties in…”
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Notes on the pollination biology of Notylia nemorosa (Orchidaceae): do pollinators necessarily promote cross pollination? by Singer, Rodrigo B, Koehler, Samantha

“…The pollination biology of Notylia nemorosa was elucidated from field and ex situ observations. Field observations were carried out in Minas Gerais,…”
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Gametophytic self-incompatibility in Maxillariinae orchids by Ricci, Nícolas Alberto Polizelli, Bento, João Pedro Silvério Pena, Mayer, Juliana Lischka Sampaio, Singer, Rodrigo Bustos, Koehler, Samantha

“…Gametophytic self-incompatibility (GSI) has been mainly described in species-rich clades within Orchidaceae. We report GSI for a genus within Maxillariinae,…”
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Phylogeny of the stink bug tribe Chlorocorini (Heteroptera, Pentatomidae) based on DNA and morphological data: the evolution of key phenotypic traits by Genevcius, Bruno C., Greve, Caroline, Koehler, Samantha, Simmons, Rebecca B., Rider, David A., Grazia, Jocelia, Schwertner, Cristiano F.

“…ABSTRACT Pentatomidae is the third largest family of true bugs, comprising over 40 tribes. Few tribes have been studied in a phylogenetic context, and none of…”
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Apomixis beyond trees in the Brazilian savanna: new insights from the orchid Zygopetalum mackayi by da Costa, Gleicyanne Vieira, Alves, Mariana Ferreira, Duarte, Mariana Oliveira, Caetano, Ana Paula Souza, Koehler, Samantha, Mayer, Juliana Lischka Sampaio

“…Abstract n the Neotropics, the focus of apomictic studies predominantly centres on trees within the Brazilian savanna, characterized, mostly as sporophytic and…”
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Genome size and climate segregation suggest distinct colonization histories of an orchid species from Neotropical high-elevation rocky complexes by Gomes, Shaiany Sabrina Lopes, Vidal, João D, Neves, Camila Siqueira, Zorzatto, Cristiane, Campacci, Thiago Vinicius Silva, Lima, Amanda Kassia, Koehler, Samantha, Viccini, Lyderson Facio

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Secondary origin, hybridization and sexual reproduction in a diploid–tetraploid contact zone of the facultatively apomictic orchid Zygopetalum mackayi by Moura, Y. A., Alves‐Pereira, A., da Silva, C. C., Souza, L. M., de Souza, A. P., Koehler, S., Byers, D.

“…The production of triploids and apomictic reproduction are important processes for polyploid establishment and cytotype coexistence, but we know little about…”
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Taxonomic revision of the neotropical genus Christensonella (Maxillariinae, Orchidaceae) by KOEHLER, SAMANTHA, SINGER, RODRIGO B., AMARAL, MARIA CARMO E.

“…A taxonomic revision of the recently proposed neotropical genus Christensonella (tribe Cymbideae, subtribe Maxillariinae) is presented. Twelve species are…”
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Spatially structured genetic diversity of the Amerindian yam (Dioscorea trifida L.) assessed by SSR and ISSR markers in Southern Brazil by Nascimento, Wellington F, Rodrigues, Jucelene F, Koehler, Samantha, Gepts, Paul, Veasey, Elizabeth A

“…Dioscorea trifida L. (Dioscoreaceae) is among the economically most important cultivated Amerindian yam species, whose origin and domestication are still…”
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Molecular phylogenetics of Maxillaria and related genera (Orchidaceae: Cymbidieae) based on combined molecular data sets by Whitten, W. Mark, Blanco, Mario A, Williams, Norris H, Koehler, Samantha, Carnevali, Germán, Singer, Rodrigo B, Endara, Lorena, Neubig, Kurt M

“…The orchid genus Maxillaria is one of the largest and most common of neotropical orchid genera, but its current generic boundaries and relationships have long…”
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Toward a phylogeny of Maxillariinae orchids: multidisciplinary studies with emphasis in Brazilian species by Singer, Rodrigo B., Koehler, Samantha

“…It has been demonstrated that the neotropical sub- tribe Maxillariinae comprises a well-supported mono- phyletic orchid group, according to cladistic analyses…”
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When hybrids are not hybrids: a case study of a putative hybrid zone between Cattleya coccinea and C. brevipedunculata (Orchidaceae) by Leal, Bárbara S. S., Chaves, Cleber J. N., Koehler, Samantha, Borba, Eduardo L.

“…Cattleya coccinea and C. brevipedunculata (Orchidaceae) are closely related species distinguished primarily by geographical distribution, vegetative morphology…”
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Effects of pollen origin on apomixis in Zygopetalum mackayi orchids by Campacci, Thiago Vinicius Silva, Castanho, Camila Toledo, Oliveira, Renata Laurine França, Suzuki, Rogério Mamoru, Catharino, Eduardo Luís Martins, Koehler, Samantha

“…•Zygopetalum mackayi is a food-deceptive, pollinator-dependent, orchid.•Crossed flowers produced more viable monoembryonic seeds than selfed ones.•Apomixis…”
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(2036) Proposal to conserve the name Brasiliorchis against Bolbidium (Orchidaceae) by Singer, Rodrigo B., Blanco, Mario, Carnevali, Germán, Koehler, Samantha

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Taxonomic revision of the neotropical genus Christensonella (Maxillariinae, Orchidaceae): TAXONOMY OF CHRISTENSONELLA (ORCHIDACEAE) by KOEHLER, SAMANTHA, SINGER, RODRIGO B., AMARAL, MARIA CARMO E.

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Species delimitation of Cattleya coccinea and C. mantiqueirae (Orchidaceae): insights from phylogenetic and population genetics analyses by Rodrigues, Jucelene F, van den Berg, Cássio, Abreu, Aluana G, Novello, Mariana, Veasey, Elizabeth A, Oliveira, Giancarlo C. X, Koehler, Samantha

“…The high-altitude Southeastern Brazilian Cattleya coccinea clade includes two taxonomically challenging species, Cattleya coccinea and Cattleya mantiqueirae,…”
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Chromosome mapping of rDNA sites in "Zygopetalum maculatum" (Orchidaceae) polyploid complex by Gomes, Shaiany Sabrina Lopes, Lima, Amanda Kássia, Neves, Camila Siqueira, Campacci, Thiago Vinicius Silva, Koehler, Samantha, Fácio Viccini, Lyderson

“…The "Zygopetalum maculatum" complex (Orchidaceae) comprises species with similar morphological characters making difficult their taxonomic delimitation…”
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Development and cross-validation of microsatellite markers for Rauvolfia weddeliana Müll.Arg. (Apocynaceae) species complex by Vidal Jr, João de Deus, Cortez, Maria Beatriz, Alves, Fábio Matos, Koehler, Samantha, de Souza, Anete Pereira, Koch, Ingrid

“…Rauvolfia weddeliana is an endemic species restricted to plateau landscapes in South American savannahs. Rapid loss of habitat and expansion of agriculture in…”
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Pollinarium Morphology and Floral Rewards in Brazilian Maxillariinae (Orchidaceae) by SINGER, RODRIGO B., KOEHLER, SAMANTHA

“…• Background and Aims There is strong support for the monophyly of the orchid subtribe Maxillariinae s.l., yet generic boundaries within it are unsatisfactory…”
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