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a. Environment of Tillandsia bandensis in Cerro do Tigre, Alegrete, Rio Grande do Sul, Brazil. b-d. Tillandsia bandensis – b. habit in situ; c. habit fertile; d. detail of inflorescence (b-d H.M. Büneker 102 et al.).
Source publication
In this short note are recorded for the first time for Rio Grande do Sul (Brazil) Tillandsia loliacea Mart. ex
Schult.f. and Tillandsia pohliana Mez, and Tillandsia bandensis Baker was rediscovered in the same state
and Brazil. We provide descriptions, photographs and geographical distribution for the species.
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Citations
... New records of Bromeliaceae from states of Brazil and other countries have been published (Versieux et al. 2013;Büneker et al. 2015;Lima andSoares-Silva 2016, Guarçoni et al. 2018), and include first reports of Tillandsia species from the states of Rio Grande do Sul (Büneker et al. 2015), Maranhão (Guarçoni et al. 2018), and Paraná (Kremer 2011) and from the Central-west region (Lima and Soares-Silva 2016). However, there are no recently published data for Bahia. ...
... New records of Bromeliaceae from states of Brazil and other countries have been published (Versieux et al. 2013;Büneker et al. 2015;Lima andSoares-Silva 2016, Guarçoni et al. 2018), and include first reports of Tillandsia species from the states of Rio Grande do Sul (Büneker et al. 2015), Maranhão (Guarçoni et al. 2018), and Paraná (Kremer 2011) and from the Central-west region (Lima and Soares-Silva 2016). However, there are no recently published data for Bahia. ...
We present the first records of five Tillandsia L. species from the state of Bahia, Brazil, which were collected in the field and studied in herbaria. Tillandsia didisticha (E.Morren) Baker occurs in Cerrado and Caatinga biomes, T. line aris Vell. and T. dura Baker in Atlantic Forest fragments, and T. pruinosa Sw. and T. graomogolensis Silveira in an ecotonal transition zone between dry and humid forest. We present photographs, taxonomic notes, distribution ranges of these species in Bahia and discuss their morphological distinctions.
... We analyzed herbarium material of Tillandsia bandensis deposited in the herbaria BA, BAB, CTES, HDCF, LP, MVFA, MVFQ, MVJB, MVM, SI, SMDB (acronyms according Thiers, continuously updated). Additionally, we analyzed type materials, protologues, and relevant literature (Castellanos 1945, Cabrera 1968, Smith & Downs 1977, Büneker et al. 2015 for all the names associated with T. bandensis. ...
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We report the first records of Tillandsia kegeliana, T. loliacea, T. paraensis, T. parvispica, T. recurvata , and T. tenuifolia for Maranhão, Brazil. These species were collected in the Amazonian and Cerrado biomes. This work adds new knowledge to the flora of Maranhão and extends the distribution of these species within Brazil.
... However until the mid-2000s, there is no significant increase in the Bromeliaceae knowledge for this region, except for few studies focused on floristics, which did not reveal many taxonomic novelties (e.g. Cabrera 1968;Smith 1972;Smith & Downs 1974;Winkler 1982;Berhouet & Riaño 2008 (Büneker et al. 2014(Büneker et al. , 2015b(Büneker et al. , 2015cRossado et al. 2018). After 2000, some Dyckia species with very restricted distribution have been described from Pampa biome of Rio Grande do Sul state, southern Brazil (e.g. ...
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Metacommunity ecology investigates how drivers of regional and local scales cause compositional variation in a network of communities potentially linked by dispersal. We examined the metacommunity structure of epiphytic bromeliad assemblages along a coastal‐inland gradient in a subtropical geographic corridor extending from the Atlantic coast to near the Uruguay River, in the central depression of Rio Grande do Sul State, in southernmost Brazil. We surveyed floristic and environmental data on a sequence of 71 testimonial hills. We used elements of metacommunity structure to identify metacommunity patterns (i.e. random, checkerboard, nested, Clementsian, Gleasonian, evenly spaced and quasi‐structured). We ran a canonical correspondence analysis to evaluate how coastal‐inland gradient influenced species distribution. Finally, we employed variation partitioning to determine archetype‐based metacommunity structuring processes (i.e. species sorting, neutral dynamics, patch dynamics and mass effects). We found that temperature‐ and moisture‐based gradients generated environmental heterogeneity that established species filtering, determining the formation of cohesive groups of epiphytic bromeliads with coincidentally occurring boundaries (i.e. quasi‐Clementsian structure). As a result, we identified four metacommunity structures embedded along the coastal‐inland gradient: In the eastern and east‐central metacommunities, species distributions were idiosyncratic due to individual species' responses to environmental gradients (i.e. quasi‐Gleasonian structure), and in the western and west‐central metacommunities, we observed Clementsian and Gleasonian structures, respectively. Habitat heterogeneity and dispersal sufficiency (i.e. species sorting archetype) were the foremost drivers establishing metacommunity structures. Ultimately, and surprisingly, in the east‐central metacommunity, we detected source‐sink dynamics among the testimonial hills (i.e. mass effects archetype). Our findings suggest that epiphytic bromeliad assemblages are linked to a gradient‐driven pattern with moderate heterogeneity (i.e. low turnover) and identify four embedded metacommunity structures. Moreover, they indicate that the species sorting archetype best represents the processes of establishing metacommunity structures.
The Pampa represents one of the domains of highest floristic richness in South America, however, especially in relation to the ferns and lycophytes, it still poorly known. This study aims to list the ferns and lycophytes associated with the Tigre and Palomas hills and discuss the floristic aspects that shape the fern and lycophyte flora at the isolated formations (Cerros) of the Pampa domain. The samples were collected and herborized using standard techniques and identified through specific literature. Herbarium specimens were also analyzed in order to complement the floristic list. Species were classified according to their geographical distribution pattern and also considering their life and growth forms. The inventory resulted in 36 species, representing four lycophytes and 32 ferns, distributed in 11 families and 19 genera. Of these, 18 species were exclusive to Cerro do Tigre, five to Cerro Palomas and 13 shared between both areas. Most of the species (77%) are widely distributed in the Americas, and no endemic species to the pampean domain were identified. The predominant life form was hemicryptophyte, and rosulate was the most represented growth form. In general, the species occurring in the areas presented adaptations to xerophytic conditions. The results showed a high species richness in the studied areas in relation to cited for the whole domain, indicating that the Cerros serve as refuges for the maintenance of ferns and lycophytes in the Pampa region.
