Acta Botanica Brasilica, v. 27, n.2, 2013

Sumário

Artigos

Taxonomic studies of centric diatoms (Diatomeae): unusual nanoplanktonic forms and new records for Brazil PDF

Kaoli Pereira Cavalcante, Priscila Izabel Tremarin, Thelma Alvim Veiga Ludwig 237-251

Lycophytes and monilophytes of Parque Estadual do Rio Preto, Minas Gerais, Brazil PDF

Alexandre Salino, Nara Furtado de Oliveira Mota, Thais Elias Almeida 252-263

Sowing seeds for the future: the need for establishing protocols for the study of seed dormancy PDF

Fernando Augusto Oliveira Silveira 264-269

Community dynamics in a species-rich patch of old-growth forest in a global changing scenario PDF

Markus Gastauer, João Augusto Alves Meira Neto 270-285

Litterfall dynamics in a iron-rich rock outcrop complex in the southeastern portion of the Iron Quadrangle of Brazil PDF

Eduardo André Ribeiro Valim, Hermínio Arias Nalini Jr, Alessandra Rodrigues Kozovits 286-293

Species richness and distribution of bryophytes within different phytophysiognomies in the Chapada Diamantina region of Brazil PDF

Emilia de Brito Valente, Kátia Cavalcanti Pôrto, Cid José Passos Bastos 294-310

Seed vigor, antioxidant metabolism and initial growthcharacteristics of red rice seedlings under different light intensities PDF

Tiago Zanatta Aumonde, Tiago Pedó, Junior Borella, Luciano do Amarante, Francisco Amaral Villela 311-317

Effects that nutritional and saline gradients have on the growth of Passiflora mucronata Lam. and Canavalia rosea (Sw.) DC. found in the restinga of Brazil PDF

Jehová Lourenço Junior, Oberdan Zambom, Magda Santos Rossi, Geraldo Faustini Cuzzuol 318-326

Phytoplankton diversity in the middle Rio Doce lake system of southeastern Brazil PDF

Cristiane Freitas de Azevedo Barros, Aline Morena Menezes dos Santos, Francisco Antônio Rodrigues Barbosa 327-346

Floristic overview of the epiphytic bryophytes of terra firme forests across the Amazon basin PDF

Sylvia Mota de Oliveira, Hans ter Steege 347-363

Phytoplankton of two rivers in the eastern Amazon: characterization of biodiversity and new occurrences PDF

Elane Domênica de Souza Cunha, Alan Cavalcanti da Cunha, Arialdo Martins da Silveira Jr., Silvia Maria Mathes Faustino 364-377

Floristic composition and community structure of epiphytic angiosperms in a terra firme forest in central Amazonia PDF

Mariana Victória Irume, Maria de Lourdes da Costa Soares Morais, Charles Eugene Zartman, Iêda Leão Amaral 378-393

Salt stress: antioxidant activity as a physiological adaptation of onion cultivars PDF

Natália Silveira Corrêa, Juliana de Magalhães Bandeira, Patrícia Marini, Isabel Cristina Gouvea de Borba, Nei Fernandes Lopes, Dario Munt de Moraes 394-399

The systematic value of pollen morphology in trees and shrubs species of Bauhinia L. (Caesalpinioideae- subg. Bauhinia- sect. Pauletia) occurring in Brazil PDF

Fábio de França Moreira, Ângela Maria Studart da Fonseca Vaz, Claudia Barbieri Ferreira Mendonça, Vania Lourenço Gonçalves-Esteves 400-417

Taxonomic revision of Pseudolaelia Porto & Brade (Laeliinae, Orchidaceae) PDF

Luiz Menini Neto, Rafaela Campostrini Forzza, Cassio van den Berg 418-435

Pollen morphology of Menispermaceae in the state of Bahia, Brazil PDF

Michella Del Rei Teixeira, André Márcio Araújo Amorim, Francisco de Assis Ribeiro dos Santos 436-444

Influence of edaphic factors on the floristic composition of an area of cerradão in the Brazilian central-west PDF

Marcelo Leandro Bueno, Danilo Rafael Mesquita Neves, Anderson Fernandes Souza, Elio Oliveira Junior, Geraldo Alves Damasceno Junior, Vanessa Pontara, Valdemir Antonio Laura, James Alexander Ratter 445-455

Notas Científicas

Reproductive phenological pattern of Calotropis procera (Apocynaceae), an invasive species in Brazil: annual in native areas; continuous in invaded areas of caatinga PDF

Mellissa Sousa Sobrinho, George Machado Tabatinga, Isabel Cristina Machado, Ariadna Valentina Lopes 456-459

Wood-decaying Agaricomycetes (Basidiomycota, Fungi): new records for the state of Santa Catarina, Brazil PDF

Alice da Cruz Lima Gerlach, Marisa de Campos-Santana, Márcio Gutjahr, Clarice Loguercio-Leite 460-463