Anna Luiza Ilkiu-Borges

Museu Paraense Emilio Goeldi - MPEG | MPEG · Coordenação de Botânica (CBO)

The Lower Tocantins region, which includes the municipality of Abaetetuba, is located in the north¬eastern of Pará state, in Eastern Amazonia, Brazil, presenting a heterogeneous set of forests, among which Terra Firme, Várzea, and Freshwater Beach forests stand out for their floristic, economic, and ecological significance. However, the bryophyte f...

The two volumes of the Brazilian mosses provides descriptions, keys and illustrations for 867 species, 268 genera and 71 families. Species data include: substrate, vegetation, elevation, distribution within Brazil and world. Morphological characterization is provided for each species and discussions. 197 plates with 777 species illustrated. Chapter...

O Parque Nacional Chapada das Mesas (PNCM) é a quarta maior Unidade de Conservação (UC) do Maranhão, e nela podemos observar pequenas plantas formando tufos ou tapetes sobre rochas, solo e troncos de árvores vivas ou em decomposição, conhecidas por briófitas ou musgos. A brioflora no PNCM está representada por 132 espécies, divididas entre musgos (...

The discovery of new fossil bryophytes allows refined estimates of divergence times when the fossils have unambiguous synapomorphies enabling their confident assignment to nodes within molecular phylogenies. We use two fossil Radula species from Cretaceous age Burmese amber to estimate divergence times for Radula. One of these fossils, R. cretacea...

A taxonomic study of Radula (Marchantiophyta: Radulaceae) from Madagascar leads to the recognition of thirteen species, in five subgenera. Radula evelynae, R. lindenbergiana and R. retroflexa are new to Madagascar, R. fulvifolia is excluded from the Madagascan flora and R. javanica is considered a doubtful record. Radula ankefinensis is a new synon...

Radula pallens var. marginata and R. smithii (subg. Volutoradula) are newly described from montane forests of Venezuela and Peru, respectively. Both taxa stand out by the presence of bordered leaf lobes. The new variety differs from R. pallens var. pallens in its narrow leaf border of one row of colorless cells with bulging trigones, while R. smith...

The Martrios-Andorinhas Mountain Ridge, in southeastern Par, is located in a transition zone between two important biomes in Tropical America, Amazonia and the Brazilian Cerrado. The aim of this study was to inventory the bryophyte flora in different vegetation formations of the Martrios-Andorinhas Mountain Ridge, as a contribution to the evaluatio...

A collection of bryophytes from Uei tepui in Mount Roraima National Park, Roraima state, northern Brazil, yielded 45 species, in 25 genera and 15 families. Twenty four species are new to state of Roraima, of which seven are new to the Brazilian Amazon domain and six species are new to Brazil: Colura rhynchophora Jovet-Ast, Frullania mirabilis J.B.J...

Mount Roraima, at the geographical tripoint of Brazil, Guyana and Venezuela, is famous for its richness in rare and endemic species. Here we report two unusual ramicolous liverwort species from the north ridge of the mountain, located within the borders of the country of Guyana: Frullania (sect. Microphyllae) trigona and Metzgeria deniseana sp. nov...

Campinaranas are unique vegetation patches in the Amazonian biome, characterized by white-sand soils with relatively low nutrient content and subject to periodic flooding coupled with fluctuating groundwater levels. This study aimed to produce a synopsis of the bryophyte flora in Campinarana habitats by combining information from the literature wit...

A checklist is a good base for gathering registers of biodiversity and supporting further studies. The aim of this paper is to present a checklist of the bryophytes from Amapá State, including the distribution data of the species. In total, 174 species (80 mosses and 94 liverworts) in 78 genera and 30 families are registered for Amapá State, northe...

Chapada das Mesas National Park (CMNP) is the fourth largest conservation unit in Maranhão state and an important area for the study of bryophytes due to its geomorphological characteristics, predominant vegetation, and water potential. The aim of our study was to investigate the richness and composition of leafy liverwort species in CMNP, discuss...

Chapada das Mesas National Park (CMNP) is the fourth largest conservation unit in Maranhão state and an important area for the study of bryophytes due to its geomorphological characteristics, predominant vegetation, and water potential. The aim of our study was to investigate the richness and composition of leafy liverwort species in CMNP, discuss...

Chapada das Mesas National Park (CMNP) is the fourth largest conservation unit in Maranhão state and an important area for the study of bryophytes due to its geomorphological characteristics, predominant vegetation, and water potential. The aim of our study was to investigate the richness and composition of leafy liverwort species in CMNP, discuss...

A new species of Passiflora series Quadrangulares is described and illustrated from National Forest of Carajás in the Brazilian state of Pará, viz Passiflora carajasensis. This new species is recognized by linear‐lanceolate stipules, long‐ovate to oblong leaf blades, bracts 3–3.5 × 1.5–2.5 cm, erect sepals and petals, and corona with 6 series. It r...

The urge to organise the world around us is an essential part of human nature. Naming and categorising enable us to store and access information ef ciently. The need to name and categorise extends to the natural world and, in particular, to living organisms. The science underpinning this area of knowledge is called Taxonomy, and is as old as humani...

A taxonomic study of the liverwort genus Radula in Brazil based on morphological characters and on examination of types and over 1000 additional collections, leads to the recognition of 31 species and two varieties. A key to all species as well as descriptions, illustrations and comments on recognition, distribution and habitat of the recognized sp...

The aim of this study is to investigate the richness and composition of the bryophytes of two Municipal Natural Parks in Amapá, eastern Amazon. Bryophytes were collected in the Arivaldo Gomes Barreto Municipal Natural Park (AGBMNP), Macapá municipality, and Cancão Municipal Natural Park (CMNP), Serra do Navio municipality, in October 2010 and Octob...

Frullania subg. Frullania (= subg. Thyopsiella) is a little-known group of liverworts in the Neotropics, being represented by only two species. Both are members of the subsect. Microphylla characterized by very small, dioicous plants, ocellate leaves, caducous leaf lobes and very small, distant underleaves. Here we describe and illustrate a third n...

During fieldwork to investigate bryophyte communities in disjunct areas of savannas in the Eastern Amazon, a new species of Cheilolejeunea was collected. The genus contains species mainly inhabiting tropical rain forests, which also occur in seasonal forests or xeromorphic forests, such as Cheilolejeunea adnata , Cheilolejeunea discoidea , and Chei...

In the course of a taxonomic study of Radula in Brazil, a new species from Bahia and a new variety of R. fendleri from Rio de Janeiro were detected. The new species is characterized by plants irregularly pinnate, leaves oblong-ovate with entire to sinuate margins, cell walls with small trigones at leaf base and midleaf, increasing in size toward th...

This work is an inventory of ferns and lycophytes of remnants in Amazônia Maranhense. The data provided are the results of collections made from 2010-2011 and 2016-2019 in various municipalities of Maranhão in the Amazonian part of the state. Sixty-four species of ferns and lycophytes, in 36 genera and 18 families, were recorded. Of these, 24 speci...

Radula yamadae, a species from mountain ranges in the Atlantic forest, is described here as new to science. The new species is characterized by plants occasionally epiphyllous, densely branched, leaf lobes imbricate, ovate, apex obtuse to subacute, cell walls thin, trigones small, lob-ules distant to contiguous, rarely imbricate, subquadrate, 1/2-2...

We describe the new liverwort species Lejeunea ryszardii from montane rainforest in the Central Cordillera of Colombia (Dept. Quindío) and Rectolejeunea halinae from submontane rainforest in the Western Cordillera (Dept. Risaralda). Both species stand out by copious vegetative reproduction via caducous leaves. Lejeunea ryszardii resembles the Carib...

Haplolejeunea is a small Afro-American liverwort genus of two species, H. sticta on the East African islands and H. cucullata in West Africa and tropical South America. A revision of the genus based on morphology shows that the South American plants differ from African H. cucullata in number of ocelli per leaf lobe, shape of the underleaves and sha...

Resumo Este é um tratamento taxonômico para sete espécies de Sematophyllaceae registradas nas áreas de canga na Serra dos Carajás, no estado do Pará, e inclui descrições, ilustrações e comentários morfológicos sobre Brittonodoxa (1 sp.), Microcalpe (1 sp.), Trichosteleum (3 spp.) e Vitalia (2 spp.).

Resumo Duas espécies (Holomitrium arboreum e Leucoloma tortellum) de Dicranaceae foram registradas nas áreas de canga na Serra dos Carajás, no estado do Pará, para as quais é apresentada descrição, ilustração e comentários morfológicos.

Resumo Pylaisiadelphaceae está representada por quatro espécies dos gêneros Isopterygium (2 spp.), Pterogonidium (1 sp.) e Taxithelium (1 sp.) nas áreas de canga na Serra dos Carajás, no estado do Pará, para as quais são apresentadas descrições, ilustrações e comentários morfológicos.

Resumo Este é um tratamento taxonômico para 12 espécies de Calymperaceae registradas nas cangas da Serra dos Carajás, no estado do Pará, e inclui a descrição, ilustração e comentários morfológicos sobre os gêneros Calymperes (3 spp.), Octoblepharum (3 spp.) e Syrrhopodon (6 spp.).

Resumo Os estudos botânicos na Serra dos Carajás iniciaram no final da década de 60. Após isso, foram publicados vários trabalhos sobre florística, ecologia e fitogeografia que resultaram em muitas descobertas sobre a flora local, culminando com a produção da flora das cangas da Serra dos Carajás. Este trabalho objetiva apresentar a riqueza das bri...

Resumo Este estudo apresenta um tratamento taxonômico com descrições, ilustrações e comentários morfológicos de Leucobryaceae das áreas de canga na Serra dos Carajás, estado do Pará, para onde foram identificados os gêneros Campylopus (5 spp.), Leucobryum (2 spp.) e Ochrobryum (1 spp.). Campylopus tallulensis é um novo registro para o Brasil e Camp...

Resumo Este estudo reúne as espécies de Thuidiaceae registradas para as áreas de canga na Serra dos Carajás, no estado do Pará, incluindo descrição, ilustração e comentários morfológicos da espécie Pelekium scabrosulum, única registrada para a área de estudo.

Resumo Foram registradas três espécies de Hypnaceae (Chryso-hypnum diminutivum, Ectropothecium leptochaeton e Rhacopilopsis trinitensis) nas áreas de canga na Serra dos Carajás, no estado do Pará, para as quais se apresenta descrição, ilustração e comentários morfológicos.

Resumo Pilotrichaceae está representada por uma única espécie (Callicostella pallida) nas áreas de canga na Serra dos Carajás, no estado do Pará, para a qual é apresentada descrição, ilustração e comentários morfológicos.

Resumo Apresenta-se um tratamento taxonômico para Frullaniaceae registrada nas áreas de cangas da Serra dos Carajás, no estado do Pará, com descrições, ilustrações e comentários morfológicos das espécies Frullania ericoides, F. exilis, F. gibbosa e F. intumescens.

Resumo Este é um tratamento taxonômico com descrição, ilustração e comentários morfológicos para as espécies de Lejeuneaceae das áreas de canga na Serra dos Carajás, estado do Pará. Foram identificados 12 gêneros e 22 espécies, sendo Lejeunea oligoclada é um novo registro para a região Norte do Brasil e Lejeunea angusta e Schiffneriolejeunea amazon...

New synonyms, morphological characterizations and national records for three neotropical Lejeunea species, including comments on distribution and ecology, are presented. Lejeunea cristulata (Steph.) M.E.Reiner & Goda (= L. resupinata [Steph.] Steph., syn. nov.) is newly recorded for Venezuela, Peru and Bolivia. Lejeunea diversicuspis Spruce (= L. m...

A new species of Prionolejeunea collected in the tropical premontane wet forest of Parque Nacional General de División Omar Torrijos Herrera, El Cope, in Panama, is described and illustrated. The diagnostic characters of Prionolejeunea clementinae are: 1) a straight and well limited vitta extending from the base to the middle of the leaf lobe, 4-5...

Part of the scientific initiation research of the student Rayssa Ribeiro Costa da Silva entitled "Malvaceae in the great curve of the Xingu River, Pará, Brazil"

This study aimed to compare the richness and composition of the epiphytic bryoflora between várzea and igapó forests in Caxiuanã National Forest, Brazilian Amazon. Bryophytes were collected on 502 phorophytes of Virola surinamensis. Average richness per phorophyte and composition between forests and between dry and rainy periods was tested by two-w...

Resumo Byttneria catalpifolia subsp. catalpifolia é apresentada como um novo registro e Byttneria fulva como uma redescoberta para o estado do Pará, ambas com base em coleções provenientes da região da Volta Grande do rio Xingu. Descrições morfológicas, dados de distribuição geográfica e ilustrações das espécies são fornecidos, e são discutidas as...

Resumo Este estudo apresenta as espécies de Fissidentaceae registradas para as áreas de canga na Serra dos Carajás, no estado do Pará. São apresentadas descrições detalhadas, ilustrações e comentários morfológicos de seis espécies do gênero Fissidens: F. guianensis, F. hornschuchii, F. pellucidus, F. perfalcatus, F. radicans e F. submarginatus.

Resumo Este trabalho apresenta um tratamento taxonômico de Orthotrichaceae registradas para as áreas de canga na Serra dos Carajás, no estado do Pará, com descrição detalhada, ilustração e comentários morfológicos das espécies. São registradas duas espécies na área de estudo: Groutiella tomentosa e Schlotheimia rugifolia.

Resumo Este estudo representa um tratamento para Cephaloziaceae registrada nas áreas de canga na Serra dos Carajás, no estado do Pará, incluindo a descrição detalhada, ilustração e comentários morfológicos sobre a espécie Odontoschisma variabile, única registrada na área de estudo.

Resumo Este estudo apresenta um tratamento taxonômico para Pterobryaceae registrada nas áreas de canga na Serra dos Carajás, no estado do Pará, incluindo a descrição detalhada, ilustração e comentários morfológicos sobre a espécie Orthorrhynchidium planifrons, única registrada na área de estudo.

Resumo Este estudo apresenta um tratamento taxonômico para as espécies de Bryaceae registradas em áreas de canga na Serra dos Carajás, no estado do Pará, com descrição detalhada, ilustração e comentários morfológicos das espécies. Foram registrados três gêneros e três espécies: Bryum coronatum, Rhodobryum subverticillatum e Rosulabryum capillare.

Resumo Este estudo apresenta a família Plagiochilaceae registrada nas áreas de canga na Serra dos Carajás, no estado do Pará, incluindo a descrição detalhada, ilustração e comentários morfológicos sobre a espécie Plagiochila montagnei, única registrada na área de estudo.

Resumo Este trabalho apresenta a família Lophocoleaceae das áreas de canga na Serra dos Carajás, no estado do Pará, incluindo a descrição detalhada, ilustração e comentários morfológicos sobre a espécie Lophocolea bidentata, única registrada na área de estudo.

Resumo Apresenta-se um tratamento taxonômico para Cephaloziellaceae registrada nas áreas de canga na Serra dos Carajás, no estado do Pará, incluindo a descrição detalhada, ilustração e comentários morfológicos sobre a espécie Cephaloziopsis intertexta, única registrada na área de estudo.

Back in 1960 researchers from the Museu Paraense Emílio Goeldi (MPEG) began to study the Serra dos Carajás, resulting in an important series of collections, giving interesting insights in the local flora. During the last decades, intensification of expeditions to the FLONA Carajás was driven by the discovery of a high number of endemic species, cou...

This study gathers the species of Stereophyllaceae recorded for the areas of cangas in the Serra dos Carajás, Pará state, including detailed description, illustration and comments on the morphology of the species. In the study area, two species of the family were recorded: Pilosium chlorophyllum, Neotropical species and Entodontopsis leucostega, Pa...

This study represents a treatment for Calypogeiaceae recorded in the areas of cangas in the Serra dos Carajás, Pará state, including a detailed description, illustration and morphologic comment on the species Calypogeia lechleri, the only one recorded in the study area.

This study gathers the species of Bartramiaceae recorded for the areas of cangas in the Serra dos Carajás, Pará state, including detailed description, illustration and comments on the morphology of the species. Two species of Bartramiaceae were recorded in the study area, Philonothis hastata and Philonothis uncinata.

The only species, Telaranea nematodes, of Lepidoziaceae recorded for the areas of cangas in the Serra dos Carajás, Pará state, is detailed descripted, illustrated and about the species are presented morphologic comment.

Passifloraceae is mainly characterized by the lianescent habit, and the genus Passiflora is the most representative. In the Serra dos Carajás, 12 species were recorded, but only P. ceratocarpa, P. glandulosa, P. tholozanii, and Passiflora sp1 occur in the cangas. This study provides descriptions, illustrations and morphological comments for these f...

The present study analyzes the richness, floristic composition and ecological aspects of bryophytes of the park. The bryophytes were collected following the usual techniques for this group, with sampling carried out in two plot of a hectare each. Richness, sampling sufficiency, floristic composition, frequency, tolerance guilds and geographic distr...

This work aimed to recognize the reproductive biology of the epiphytic bryoflora of phorophytes of Virola surinamensis (Rol. ex. Rottb.) Warb. in várzea and igapó forests in the Caxiuanã National Forest, to answer the following question: The reproductive period of the bryophyte species is influenced by the environment due the climatic seasonality p...

During the taxonomic revision of the genus Macradenia, we observed that a review was needed concerning four names, M. delicatula, M. paraensis, M. regnellii, and M. rubescens, published by the Brazilian botanist João Barbosa Rodrigues. Original illustrations are designated as lectotypes for M. paraensis, Trichopilia multiflora (a synonym of M. para...

Aechmea xinguana, a new species of Bromeliaceae from the Brazilian Amazonia, is described and illustrated. It is related to Aechmea mertensii, but differs by inflorescences with larger and more lax panicles, and by floral bracts that are red, larger than the flowers, with a linear shape and spinose margins.

A working checklist of accepted taxa worldwide is vital in achieving the goal of developing an online flora of all known plants by 2020 as part of the Global Strategy for Plant Conservation. We here present the first-ever worldwide checklist for liverworts (Marchantiophyta) and hornworts (Anthocerotophyta) that includes 7486 species in 398 genera r...

Microclimatic conditions of tropical forest favour the high richness of bryophytes, which by being sensitive to environmental changes, are important indicators of habitat conditions. The aim of this study was to determine the richness and species composition of the bryophyte flora in fragments of terra firme forest on the great curve of the Xingu R...

Entre os estudos com Orchidaceae na Amazônia, nenhum compreende a região da Volta Grande do rio Xingu, localizada no baixo Xingu. O objetivo deste estudo foi inventariar e estudar taxonomicamente as espécies de Oncidiinae (Orchidaceae) na Volta Grande do rio Xingu, estado do Pará, Brasil. O levantamento florístico foi realizado na área da Usina Hid...

O objetivo deste trabalho foi inventariar as briófitas presentes em um trecho de Floresta Ombrófila Aberta de Terras Baixas na Amazônia Ocidental, localizada no Campus da Universidade Federal de Rondônia. As briófitas foram coletadas dos substratos disponíveis em uma parcela de um hectare dividida em 100 sub-parcelas de 10 x 10 m, tendo sido contem...

O presente trabalho teve como objetivo realizar o estudo do gênero Adiantum no município de Acará, onde se constatou a ocorrência de oito espécies: Adiantum dolosum, A. glaucescens, A. humile, A. latifolium, A. multisorum, A. paraense, A. terminatum e A. tomentosum. Para este fim, foram elaboradas chave de identificação, descrições, ilustrações, pa...

Apresenta-se neste trabalho um inventário das espécies de Bromeliaceae da Volta Grande do Xingu (Pará, Brasil), sendo também fornecida uma chave para identificação das espécies da região, e seus respectivos status de conservação quando existentes. O material utilizado foi obtido através das atividades do Projeto Salvamento e Aproveitamento Científi...

Passiflora echinasteris from a secondary vegetation area on the Great Curve of the Xingu River, in the Brazilian Amazon, is newly described. It belongs to the series Serratifoliae with three other Brazilian species. The new species is illustrated and its affinities with related species are discussed, and a key to the Brazilian species of the series...

A new species of Uleiorchis from Serra dos Carajás National Forest, Pará, Brazil, is described. This is the fourth species of this mycoheterotrophic genus. The species is illustrated, its affinities with related species are discussed, and a key to the species of the genus is presented. The new species differs from U. ulei, U. pratënsis and U. liesn...

Macradenia grandiflora a new species from southeastern Brazil is described and illustrated. It is related to M. lutescens, but differs by the number of lip calli, the size of sepals, petals and lip, the number of flowers per inflorescence, the cuspidate apex of sepals and petals, and the irregularly lacerate margin of the clinandrium.

A world-wide revision of the liverwort genus Odontoschisma (Cephaloziaceae) based on morphological and molecular evidence, leads to the recognition of 21 species in 5 sections: sect. Odontoschisma (3 spp.), sect. Iwatsukia (3 spp.), sect. Neesia (1 sp.), sect. Cladopodiella (1 sp.) and sect. Denudata (13 spp.). Odontoschisma is the single genus in...

The aim of this study was to investigate the richness of bryophytes (Bryophyta and Marchantiophyta) in two Wildlife Protection Areas at the Environmental Protection Area of Tucuruí Lake and to compare these results with the records of other mainland areas in the state of Pará. The sampling effort by area was of 200 botanical samples. In total, 90 s...

The bryophytes of Gurupi Biological Reserve represent an important component of the biodiversity of the Amazon in the Brazilian state of Maranhao. This study aimed to investigate the richness of bryophytes (Marchantiophyta and Bryophyta) from Gurupi Biological Reserve and compare it with that found in other surveys conducted in Maranhao and in the...

Mirinzal is situated in a region called the Amazonia Maranhense, ecologically important but poorly conserved, where there is only one study on bryophytes. This study aims to investigate the richness and ecological aspects (ecosystem and substrate) of bryophytes in Timbó farm, Terra Firme forest in the municipality of Mirinzal, Maranhão. In total, n...

This paper presents new records of Passiflora L. from the Brazilian Amazon, contributing to the knowledge about the taxonomy and distribution of Passifloraceae in Brazil. The following species are reported for the first time: Passiflora garckei Mast. in Brazil; Passiflora candida (Poepp. & Endl.) Mast. in Amapá state; P. retipetala Mast. in Pará st...

Este trabalho relata o levantamento florístico das Orchidaceae holoepífitas e hemiepífitas na Floresta Nacional de Caxiuanã, localizada nas proximidades da região do Marajó, entre os municípios de Melgaço e Portel, Estado do Pará. Para tanto, foram realizadas quatro coletas não direcionadas de material fértil entre Abril de 2009 e Novembro de 2010....

Abstract— Vanilla labellopapillata , here described and illustrated, is a new species from the floodplain forest of Caxiuanã National Forest, situated in the northeastern Brazilian Amazon. The new species has consistent morphological features that support its inclusion in the Vanilla planifolia group. Vanilla labellopapillata is morphologically s...

This study presents the taxonomic treatment of the epiphytic Bromeliaceae from Caxiuanã National Forest (FLONA), situated 400 km far from Belém, in the municipalities of Melgaço and Portel, state of Pará. The collections of fertile material were randomized and accomplished between April 2009 and November 2010. In the FLONA of Caxiuanã, Bromeliaceae...

A new species of Passiflora is described from reforested post bauxite-mined area in the National Forest of Saracá-Taquera in the Brazilian state of Pará. The species is illustrated and its affinities with related species are discussed, and a key to the species of supersection Laurifoliae, series Quadrangulares is presented. The series Quadrangulare...

This study aims to investigate the richness and ecological aspects (ecosystem and substrate) of mosses and liverworts at two municipalities on Marajó Island, in the state of Pará, Brazil. The study area (6615 km2) encompasses the municipalities of Soure and Cachoeira do Arari. Bryophytes were collected from the 10th to the 16th of January, 2007, du...

There are a few studies on bryophytes from Brazilian Islands. Most of these studies are concentrated in the States of São Paulo and Pará. From the latter state, the Islands of Marajó, Germoplasma (in the Tucuruí dam reservoir), Algodoal-Maiandeua, and Trambioca were previously. However, considering the insular region of Belém municipality by itself...

During a study of the bryophytes from Amazonia Maranhense, in a remnant of non-flooded forest in Mirinzal municipality (Maranhão, Brazil), an unknown species of Ceratolejeunea was collected. It showed few morphological differences to Ceratolejeunea laetefusca (Austin) R.M.Schust. in the gametophyte, but characters of the perianth suggested that the...

Cololejeunea panamensis G. Dauphin & Pócs was described in 2006 and cited as endemic to Barro Colorado Island in Panama, Central America. During a study on the bryophytes of Marajó Island, one of the Cololejeunea collected showed differences from the species recorded in Brazil, proving to be a new record for South America. The aim of this study is...

An unknown species of Lejeunea was identified among the liverworts collected in the framework of a study of the bryophyte flora from the Varzea forest in Combu Island (Belem municipality, Para) in lower Amazon. The species, characterized by autoicous plants, ovate leaves with crenulate to crenate margins, sometimes with 1-2 obtuse subapical teeth o...

A revised moss checklist for Brazil recognizes 892 species of mosses in 255 genera and 70 families. Endemic taxa comprise 23% of the known flora. The Brazilian distribution, altitudinal range in the country, and world distribution are provided for all species. A list of 383 excluded species is provided.

River banks are home to unusual, morphologically highly specialized bryophyte taxa, which have been little studied. Here we describe a novel rheophilous and epiphyllous liverwort from Ecuador, Cololejeunea stotleriana, with many unusual morphological features such as robust stem, flat, triangular lobules, large rhizoids fields that are not produced...

A new species of Lejeuneaceae from Cerro de la Neblina in Venezuela, Cheilolejeunea neblinensis, is described and illustrated. The species is easily recognized by the row of enlarged cells along the lobule keel, a unique feature that has not been observed in any other species of Lejeuneaceae. Further diagnostic characters include the asymmetrically...

Ceratolejeunea atlantica, a new species of Lejeuneaceae collected in a remaining fragment of Brazilian Atlantic forest from Murici Ecological Station in Alagoas, Brazil, is described and illustrated. The main diagnostic characters of the species are bifid underleaves and perianths constantly with 4-bulbous horns. Additionally, it is recognized by l...

Lejeunea huctumalcensis (Lejeuneaceae), a species widely distributed in the Neotropics, is characterized by the presence of ocelli in leaf lobes, innovations of lejeuneoid- and pycnolejeuneoid-type, perianths with five entire to ramified laciniae and vegetative reproduction via regenerants and caducous leaves. The species is a member of Lejeunea su...

The systematic position of the enigmatic Asiatic liverwort Metzgeriopsis pusilla (Marchantiophyta), the single thalloid member of the largest family of leafy liverworts, Lejeuneaceae, was investigated based on sequences of the rbcL gene and the trnL-F region of chloroplast DNA, and morphology. Metzgeriopsis is not phylogenetically isolated from oth...

Echinocolea R.M. Schust. was usually considered close to Prionolejeunea (Spruce) Schiffn. but a taxonomic revision shows that they are unrelated. The rough external face of the leaf, the typical distinguishing feature of Echinocolea, proves to be highly variable and is also found in some species of Lejeunea Lib. As the genus Echinocolea shares all...

A survey of the Lejeuneaceae (Hepaticae) family was performed at Ferreira Penna Research Station, Melgaço municipality, Pará State, where was observed eight species of Cololejeuneae. The species Aphanolejeunea truncatifolia Horik., Cololejeunea obliqua (Nees & Mont.) S.W. Arnell and C. surinamensis Tixier are new records for the State, while A. con...

Com o objetivo de contribuir para o conhecimento da família Lejeuneaceae no Estado do Pará, realizou-se o levantamento da mesma na Estação Científica Ferreira Penna, onde foi observada a ocorrência de sete espécies pertencentes a Cyclolejeunea, Haplolejeunea,Harpalejeunea, Lepidolejeunea e Rectolejeunea. Todas as espécies estão descritas, ilustrada...