BOTANIKA

Cephalocereus parvispinus sp. nov.

2020-05-20T20:44:00.000+02:00

A new species of Cephalocereus (Cactaceae) from southern Mexico
ALVADOR ARIAS, HÉCTOR J. TAPIA, ULISES GUZMÁN
Phytotaxa, vol. 392 no. 2 February 2019

Abstract
Cephalocereus parvispinussp. nov. (Cactaceae) from the Mixtecan region (Oaxaca state, Mexico) is described and illustrated. The morphological and molecular evidence support its recognition as a distinct species within the genus Cephalocereus. The new species is characterized by arborescent habit up to 8 m in height, acrotonic branching, stems with 15−23 ribs; flowers 3.5−4 cm long, pericarpel and receptacular tube without podaria nor spines; fruit 1.7−2.2 cm long, dark red, with white flesh; seeds ca. 1.4 ×0.6 mm, dark brown, with a rugose micro-relief. The phylogenetic analysis usingseven cpDNA markers,shows that C. parvispinusis the sister species of C. polylophusand C. euphorbioides.

Rhizomyces forcipatus sp. nov., Rhizomyces ramosus sp. nov., Rhizomyces tschirnhausii sp. nov.

2019-04-20T00:00:00.000+02:00

Walter ROSSI, Hans R. FEIJEN
New species of Rhizomyces (Ascomycota, Laboulbeniales) parasitic on African stalk-eyed flies (Diptera, Diopsidae)
European Journal of Taxonomy
Abstract
Three new species of Rhizomyces Thaxt., parasitic on African stalk-eyed flies, are described. These are R. forcipatus W.Rossi & Feijen sp. nov., parasitic on various species of Centrioncus Speiser from Ivory Coast, Kenya and Malawi and Teloglabrus Feijen from South Africa; R. ramosus W.Rossi & Feijen sp. nov., parasitic on Diopsina nitida (Adams, 1903) from Uganda; R. tschirnhausii W.Rossi & Feijen sp. nov., parasitic on Diopsina africana (Shillito, 1940) from Uganda. All previous records of species of Rhizomyces are presented in tabulated form with updated host names. A key is presented to all species of Rhizomyces. The occurrence of Rhizomyces and other taxa of the Laboulbeniales Lindau in the genera of the Diopsidae Billberg is discussed.

Agapetes yingjiangensis (Ericaceae) new species from Yingjiang County, Yunnan Province, China

2019-03-02T00:00:00.000+01:00

Yi‐Hua Tong Bing‐Mou Wang Nian‐He Xia
Agapetes yingjiangensis (Ericaceae), a new epiphytic species of A. ser. Longifiles from Yunnan, China
Nordic Journal of Botany, 8 February 2019: e02171

Abstract

Agapetes yingjiangensis (Ericaceae), a new species from Yingjiang County, Yunnan Province, China is described and illustrated. This new species is somewhat similar to A. mannii Hemsl., but differs in having brown‐hirsute young branches, acute mucronate apex of the leaf blade and sparsely hirsute pedicel, calyx tube and corolla. A key to Chinese species with small (less than 2.5 cm) entire leaves in Agapetes sect. Agapetes ser. Longifiles is included.

Fouquieria splendens - new article

2019-03-01T00:00:00.000+01:00

Keith T. Killingbeck
Stem succulence controls flower and fruit production but not stem growth in the desert shrub ocotillo (Fouquieria splendens)
American Journal of Botany, 106 (2), 2019

Abstract

Premise of the Study

The C3 desert shrub ocotillo (Fouquieria splendens) completely lacks xeromorphic leaves but is uncommonly both stem succulent and repetitively drought deciduous (documented to have produced many foliation–defoliation cycles during a growing season). Both adaptations conserve water in this xerophyte, but are the roles of succulence and deciduousness merely redundant? The observation that year‐to‐year reproductive effort was relatively consistent while vegetative growth was not offered a critical clue that, coupled with long‐term precipitation data, helped answer this question.

Methods

At two sites in the Chihuahuan Desert in southern New Mexico, United States, 22 ocotillos were studied annually for more than two decades to explore the relationships among reproductive effort, vegetative stem growth, and patterns of precipitation.

Key Results

Vegetative stem growth occurred in mid‐ to late summer (July–September), the season of maximum precipitation in the Chihuahuan Desert, and was significantly related to summer precipitation received in the year of growth. Reproductive effort occurred in early to late spring (April–June), which with winter account for minimum precipitation during the year, but was significantly related to summer precipitation received in the previous year, suggesting the importance of stem succulence and stored water.

Conclusions

While highly variable summer precipitation was responsible for enormous fluctuations in annual ocotillo stem growth, stem succulence insulated reproductive effort from such immense variability. Stem‐stored water allowed the production of flowers and fruits to proceed relatively consistently during the driest years and during the driest time of year in the Chihuahuan Desert.

Cocconeis magnoareolata Al-Handal, Riaux-Gob., R.Jahn & A.K.Wulff sp. nov and Cocconeis vrangoensis Al-Handal & Riaux-Gob. sp. nov

2019-02-28T00:00:00.000+01:00

Adil Y. Al-Handal, Catherine Riaux-Gobin, Regine Jahn, Angela Katarina Wulff, Alison Minerovic
Two new marine species of Cocconeis (Bacillariophyceae) from the west coast of Sweden
European Journal of Taxonomy 497, 2019

Abstract
This paper is part of a project of studying benthic diatom biodiversity on marine coastal regions of Sweden with focus on rare and less known species. Two new species of Cocconeis Ehrenb. are described from Vrångö, a small island in the west coast of Sweden. Both species were found as epiphytic on the green alga Ulva intestinalis L. Cocconeis magnoareolata Al-Handal, Riaux-Gob., R.Jahn & A.K.Wulff sp. nov. is a small species not exceeding 9 µm in length and characterized by having large subquadrangular areolae on the sternum valve. Cocconeis vrangoensis Al-Handal & Riaux-Gob. sp. nov. appears similar to some taxa of the ‘Cocconeis scutellum complex’, but differs by its stria density on both valves and variable features of the areola and valvocopula ultrastructure. Detailed descriptions based on light and electron microscopy examination, a comparison with closely related taxa, as well as a description of the habitat of both species are here presented.

Alergeny zapachowe w wybranych kosmetykach perfumeryjnych

2019-02-27T00:01:00.000+01:00

Halina Bojarowicz, Karolina Okoniewicz, Jerzy Krysiński
Alergeny zapachowe w wybranych kosmetykach perfumeryjnych.

Polish Journal of Cosmetology 21(3), 2018

Streszczenie
Wprowadzenie.
Produkty perfumeryjne to bardzo bogate kompozycje składające się z różnych substancji zapachowych, naturalnych i syntetycznych, należących do wielu grup chemicznych. Substancje zapachowe mogą być przyczyną pokrzywki alergicznej, kontaktowego zapalenia skóry, reakcji fotouczulających czy odczynów fotoalergicznych. Zgodnie z obowiązującymi wymaganiami UE na opakowaniu kosmetyku perfumeryjnego muszą być wyszczególnione składniki zapachowe należące do 26 potencjalnych alergenów.
Cel.
Analiza składu wybranych produktów perfumeryjnych damskich oraz męskich pod kątem występowania alergenów zapachowych.
Materiały i metody.
Analizowano skład (wg INCI) wybranych 16 najlepiej oraz 16 najgorzej ocenianych, przez użytkowników portalu internetowego (wizaz.pl), wód toaletowych (Eau de toilette) dla kobiet oraz dla mężczyzn.
Wyniki.
Większość produktów perfumeryjnych zawiera co najmniej kilka potencjalnych alergenów. Nieco więcej jest ich w wodach toaletowych dla mężczyzn niż w produktach dla kobiet. Najczęściej występującym alergenem zapachowym w damskich wodach toaletowych jest Limonene oraz Alpha-isomethyl ionone, a w męskich - Linalool oraz Limonene. Liczba alergenów zapachowych nie ma wpływu na ocenę konsumentów.
Wnioski.
Większość kosmetyków perfumeryjnych zawiera co najmniej kilka potencjalnych alergenów zapachowych, ale są dostępne także produkty bez takich komponentów.

Więcej można przeczytać kupując artykuł lub czasopismo na stronie Polish Journal of Cosmetology.

Populus primaveralepensis sp. nov

2019-02-26T00:00:00.000+01:00

J. Antonio VÁZQUEZ-GARCÍA, Miguel Ángel MUÑIZ-CASTRO, Rosa Elena MARTÍNEZ-GONZÁLEZ, Gregorio NIEVES-HERNÁNDEZ, María Guadalupe PULIDO-ÁVILA, Gerardo HERNÁNDEZ-VERA, Osvaldo ZUNO DELGADILLO
Populus primaveralepensis sp. nov. (Salicaceae, Malpighiales), a new species of white poplar from the Bosque La Primavera Biosphere Reserve in western Mexico.
European Journal of Taxonomy, No 498 (2019)

Abstract

Populus primaveralepensis A.Vázquez, Muñiz-Castro & Zuno sp. nov., a new species from relict gallery cloud forest in Bosque La Primavera Biosphere Reserve (Mexico), is described and illustrated. The new species belongs to P. subsect. Tomentosae Hart., and is morphologically similar to P. luziarum A.Vázquez, Muñiz-Castro & Padilla-Lepe, but differs from it in having taller trees without root suckers, white and ringed young stems and branches, a branching angle of ca 45º, leaves with higher blade to petiole ratio, leafs frequently elliptic or ovate to widely ovate (vs widely ovate to ovate-deltoid), denser inflorescences, and shorter capsules. The conservation status of the species was assessed as Critically Endangered (CR).

Charakterystyka gum roślinnych, ich zastosowanie w kosmetologii oraz roślinne źródła ich pozyskiwania

2019-02-25T00:01:00.000+01:00

Halina Ekiert, Natalia Morawska, Karolina Stańczyk, Agnieszka Szopa
Charakterystyka gum roślinnych, ich zastosowanie w kosmetologii oraz roślinne źródła ich pozyskiwania

Polish Journal of Cosmetology 21 (3), 2018

Streszczenie
W pracy przedstawiono podstawowe informacje dotyczące gum roślinnych - ich chemizmu, właściwości fizyko-chemicznych, lokalizacji w roślinach oraz ich rozpowszechnienia w świecie roślin. Podkreślono ważną pozycję tej grupy surowców bezpostaciowych w produkcji kosmetyków, leków i środków spożywczych. Zasadniczą częścią pracy jest szczegółowa charakterystyka botaniczno-chemiczna ośmiu gum roślinnych oraz gatunków roślin będących ich źródłem. W przeglądzie uwzględniono zarówno gatunki roślin będące źródłem gum, które są surowcami farmakopealnymi (Acacia sp., Astragalus sp., Cyamopsis tetragonolobus), jak i liczne inne gatunki dostarczające gum ważnych w produkcji kosmetyków oraz środków spożywczych.

Ther influence of biostimulants on the ...

2019-02-23T00:30:00.000+01:00

THE INFLUENCE OF BIOSTIMULANTS ON THE MICROELEMENT CONTENT OF TUBERS IN SELECTED POTATO CULTIVARS

Małgorzata Głosek-Sobieraj, Bożena Cwalina-Ambroziak, Jadwiga Wierzbowska, Agnieszka Waśkiewicz

Acta Scientiarum Polonorum: Hortorum Cultus (Ogrodnictwo), 17(6) 2018, 37–48

The aim of this study was to determine the influence of biostimulants on the content of selected microelements in the skin and flesh of potato tubers. Five potato cultivars were grown: Irga, Satina (with cream-and yellow-colored flesh), Valfi, Blaue St. Galler (with purple-colored flesh) and Highland Burgundy Red -HB Red (with red-colored flesh). Potatoes were treated with thefollowing biostimulants: Asahi SL, Bio-Algeen S 90, Kelpak SL and Trifender WP.Control plants were not treated with biostimulants. Samples of potato tubers were analyzed immediately after the harvest and after 5 months of storage (4°C).The highest content of micronutrients in the skin and flesh of potato tubers was determined at harvest in the driest 2015 year. In all years of the experiment, micronutrient concentrations were lower in the flesh than in the skin of potato tubers, and the greatest differences were noted in the content of Fe. The concentrations of Zn, Mn and Fe in the skin and flesh of potato tubers increased as a response to the Bio-Algeen S 90 biostimulant, and the content of Fe was also higher in the skin of potatoes treated with Kelpak SL. In general, the skin and flesh of potatoes cvs. Valfi, Blaue St. Galler and HB Red were more abundant in microelements than cvs. Irga and Satina potatoes. Content of Zn and Mn increased and the content of Cu and Fe decreased (excluding the first year ofthe study) in the skin and flesh of stored potatoes. The skin and flesh of stored potato tubers treated with biostimulants were characterized by Mn concentrations that were higher or similar to those recorded in the control treatment (excluding the skin of potatoes treated with Bio-Algeen S 90) and a smaller decrease in Cu content.

Sumptuastic - Za jeden uśmiech Twój

Epipactis albensis

2019-02-21T00:01:00.000+01:00

Epipactis albensis (Orchidaceae) in Transcarpathia
Ljubka T.T.
Ukrainian Botanical Journal 2018, 75(6): 533–537

Abstract:
Data on Epipactis albensis (Orchidaceae), a species listed in the Red Data Book of Ukraine, is analyzed. The information on this species given in the Red Data Book of Ukraine is considered. A distribution map of all currently known localities of the species is provided; in particular, its distribution within the Cis-Tisza lowland (Transcarpathian Region, Ukraine) is discussed. A new locality of the species found in 2018 in vicinity of Pritysianske village (Vynohradiv District), near the Tisza River in the Salici-Populetum association, is reported. Original photographs of the species are presented since in the Red Data Book of Ukraine for E. albensis a photo of another species is provided.

Andrzej Piaseczny - Niecierpliwi

Rukiew wodna - roślina o cennych walorach kosmetycznych i leczniczych

2019-02-19T00:01:00.000+01:00

Nasturtium officinale (rukiew wodna) - źródło surowców roślinnych o cennych walorach kosmetycznych, leczniczych i prozdrowotnych
Marta Klimek-Szczykutowicz, Agnieszka Szopa, Halina Ekiert

Polish Journal of Cosmetology 2018, 21(4): 290-299

Wstęp
W opracowaniu przedstawiono rukiew wodną jako roślinę kosmetyczną, leczniczą i kulinarną. Głównymi składnikami surowca, którym jest ziele (N. officinale herba) są specyficzne glukozynolaty (m.in. glukonasturcyna, glukobrassycyna, glukoiberyna), izotiocyjaniany oraz polifenole.

Imagine - John Lennon and The Plastic Ono Band (with the Flux Fiddlers)

Polyploidy and angiosperm diversification

2019-02-17T22:31:00.004+01:00

Polyploidy and angiosperm diversification
Douglas E. Soltis Victor A. Albert Jim Leebens‐Mack Charles D. Bell Andrew H. Paterson Chunfang Zheng David Sankoff Claude W. de Pamphilis P. Kerr Wall Pamela S. Soltis
American Journal of Botany 96 (1), 2019, ss: 336-348

Abstract

Polyploidy has long been recognized as a major force in angiosperm evolution. Recent genomic investigations not only indicate that polyploidy is ubiquitous among angiosperms, but also suggest several ancient genome‐doubling events. These include ancient whole genome duplication (WGD) events in basal angiosperm lineages, as well as a proposed paleohexaploid event that may have occurred close to the eudicot divergence. However, there is currently no evidence for WGD in Amborella, the putative sister species to other extant angiosperms. The question is no longer “What proportion of angiosperms are polyploid?”, but “How many episodes of polyploidy characterize any given lineage?” New algorithms provide promise that ancestral genomes can be reconstructed for deep divergences (e.g., it may be possible to reconstruct the ancestral eudicot or even the ancestral angiosperm genome). Comparisons of diversification rates suggest that genome doubling may have led to a dramatic increase in species richness in several angiosperm lineages, including Poaceae, Solanaceae, Fabaceae, and Brassicaceae. However, additional genomic studies are needed to pinpoint the exact phylogenetic placement of the ancient polyploidy events within these lineages and to determine when novel genes resulting from polyploidy have enabled adaptive radiations.

VIVAT - Pokażę Ci drogę

Lesliegraecum elzbietae Mytnik, Szlach. & Olędrz.

2019-01-20T22:30:00.000+01:00

Lesliegraecum elzbietae, a new small‐flowered angraecoid orchid species (Orchidaceae, Angraecinae) from Madagascar

Joanna Mytnik, Dariusz L. Szlachetko, Natalia Olędrzyńska
Nordic Journal of Botany 36 (7), 2018

Abstract
A new species from Madagascar, Lesliegraecum elzbietae Mytnik, Szlach. & Olędrz. (Orchidaceae, Angraecinae) is described and illustrated. The morphological description is complemented with data of ecology and distribution of the species. The taxonomic affinities of the new taxon are discussed and key to determination of all Lesliegraecum representatives is provided.

Dendrobium thinhii, Sarcoglyphis tichii, Taeniophyllum phitamii and Trichoglottis canhii

2019-01-18T23:58:00.000+01:00

LEONID V. AVERYANOV, NONG VAN DUY, TRAN THAI VINH, QUACH VAN HOI, VU KIM CONG
Four new species of orchids (Orchidaceae) in eastern Vietnam
Phytotaxa 238 (2); 2015

Abstract
Dendrobium thinhii (D. sect. Breviflores), Sarcoglyphis tichii, Taeniophyllum phitamii (T. subgen. Codonosepalum Schltr.) and Trichoglottis canhii are described and illustrated as species new to science. All are local endemics of the area associated with Truong Son Range (Annamese Cordilleras) within territories of Dac Lak, Kon Tum and Lam Dong provinces of the southern Vietnam known in national geography as the Central Highlands or Tay Nguyen Plateau. All discovered plants are well-defined, taxonomically isolated species representing very strict plant endemism quite typical for the southern part of eastern Indochina.

Crepidium grochockianum Margońska sp. nov. (Orchidaceae) from Borneo

2019-01-16T22:07:00.000+01:00

A new species of Crepidium (Orchidaceae, Malaxidinae) from Borneo
Hanna B. Margońska
Nordic Journal of Botany, 36 (10), 2018

Key to the species of Malmidea from India

2019-01-01T22:21:00.002+01:00

New records and a key to the species of Malmidea (lichenized Ascomycota) from India.
Siljo Joseph, Sanjeeva Nayaka, Pallavi Randive, D. K. Upreti
Feddes Repertorium 129,3, 2018

Abstract
Six species of the genus Malmidea, M. atlantica (M. Cáceres & Lücking) M. Cáceres & Kalb, M. duplomarginata (Papong & Kalb) Kalb & Papong, M. hypomelaena (Nyl.) Kalb & Lücking, M. papillosa Weerak. & Aptroot, M. subaurigera (Vain.) Kalb et al., and M. variabilis Kalb, are reported as new records to India. A key to all known Indian species of Malmidea is provided.

Acta Botanica Croatica 77 (2), 2018

2018-12-29T19:10:00.000+01:00

Acta Botanica Croatica
Vol 77, No 2 (2018)
Table of Contents

Articles

Bryophytes and heavy metals: a review
Jelena D. Stankovic, Aneta D. Sabovljevic, Marko S. Sabovljevic

Application and limitation of molecular data and essential oil content in identification of Leutea elbursensis Mozaff in northern Iran
Samane Sadat Emami-Tabatabaei, Kambiz Larijani, Iraj Mehregan

The flora and vegetation of the NE Mediterranean islet with centuries-long human influences
Nenad Jasprica, Katija Dolina, Milenko Milovic

Photosynthetic performance of two freshwater red algal species
Tamas Palmai, Beata Szabo, Katalin Eszter Hubai, Judit Padisak

Antibacterial, cytotoxic and trypanocidal activities of marine-derived fungi isolated from Philippine macroalgae and seagrasses
Kin Israel Notarte, Takashi Yaguchi, Keisuke Suganuma, Thomas Edison dela Cruz

Subalpine vegetation in Giresun Mountains (Turkey)
Rena Huseyinova, Erkan Yalcin

The impact of special-temporal changes in flora attributes and pollen availability on insect visitors in Lamiaceae species
Jacek Jachula, Malgorzata Wrzesien, Monika Strzalkowska-Abramek, Bozena Denisow

Genetic variability and distance between Lactuca serriola L. populations from Sweden and Slovenia assessed by SSR and AFLP markers
Michaela Jemelková, Miloslav Kitner, Eva Krístková, Ivana Dolezalová, Ales Lebeda

Genetic structure of populations of several endangered and endemic Dianthus species revealed by microsatellite markers
Anca Butiuc-Keul, Cornelia Craciunas, Irina Goia, Anca Farkas, Liliana Jarda, Victoria Cristea

Short communications

Occurrence of the sexual morph of Erysiphe macleayae on Chelidonium majus in Romania
Vasilica Claudiu Chinan

Galium divaricatum Pourr. ex Lam. (Rubiaceae) – a new species for the flora of Ukraine
Pavel Novák, Dominik Zukal

Physiological and growth responses of sour cherry (Prunus cerasus L.) plants subjected to short-term salinity stress
Ioannis E Papadakis, Georgia Veneti, Christos Chatzissavvidis, Ioannis Therios

Chromosome count, meiotic abnormalities and pollen sterility in Lahaul Sweetvetch (Hedysarum astragaloides Benth. ex Baker, Fabaceae), an endemic and threatened species from India
Puneet Kumar, Pawan Kumar Rana, Vijay Kumar Singhal, Harminder Singh, Bhupendra Singh Kholia

Taxonomic notes on the genus Chaenorhinum (Plantaginaceae) in Turkey
Golshan Zare, Baris Ozudogru, Gokhan Ergan, Cagatay Tavsanoglu

Resurrection of the regionally extinct taxon in Croatia – the case of Ammophila arenaria (L.) Link (Poaceae)
Sandro Bogdanovic, Vedran Segota, Antun Alegro

Hoya New 8 (4) and ...

2018-12-02T20:50:00.000+01:00

Contents:
Hoya taywanisensis Kloppenburg, Mendoza, Ferreras
Hoya odorata ssp. negrosensis Kloppenburg,
Hoya miquilingensis Kloppenburg.

Link do artykułu

Marsdenia paraibana, Marsdenia trisegmentata and Marsdenia paganuccii

2018-12-01T21:46:00.000+01:00

Three new species of Marsdenia (Apocynaceae) from Brazil
Santo, Fabio da Silva do Espírito; Santos, Amanda Pricilla Batista; Ribeiro, Patrícia Luz; Rapini, Alessandro
Acta Botanica Brasilica - 32(2): 247-253. April-June 2018

Chromosome numbers in Hieracium

2018-11-30T01:30:00.000+01:00

Chromosome numbers in Hieracium (Asteraceae) from Central and Southeastern Europe IV
Krystyna Musiał, Agnieszka Janas, Zbigniew Szeląg
Acta Biologica Cracoviensia s. Botanica | 2018 | vol. 60 | No 2 | 75–79 | DOI: 10.24425/118052

Oreocharis tribracteata and Oreocharis rufescens

2018-11-28T22:00:00.000+01:00

TWO NEW SPECIES OF OREOCHARIS (GESNERIACEAE) FROM NORTHERN VIETNAM
M. Möller, H. J. Atkins, G. L. C. Bramley, D. J. Middleton, R. Baines, V. D. Nguyen, H. Q. Bui, S. Barber

Edinburgh Journal of Botany Volume 75, Issue 3, November 2018 , pp. 309-319

Begonia curvifolia and Begonia ocellata

2018-11-27T15:08:00.001+01:00

TWO NEW SPECIES OF BEGONIA FROM SUMATRA
W. H. Ardi and M. Hughes
Edinburgh Journal of Botany Volume 75, Issue 3, November 2018 , pp. 297-304

Deamia montalvoae sp. nov. (Cactaceae)

2018-11-10T16:36:00.000+01:00

A new species of Deamia (Cactaceae) from the Mesoamerican region
GABRIEL CERÉN, MIGUEL ÁNGEL CRUZ, JENNY MENJÍVAR & SALVADOR ARIAS

Phytotaxa 369 (4): 251–259

Marsdenia avacanoeira, Marsdenia minutiflora, Marsdenia rupestris, Marsdenia serpentina

2018-11-09T20:00:00.000+01:00

Fabio da Silva do Espírito Santo, Danilo José Lima de Sousa, Davi Borges das Chagas, Isa Lucia de Morais, Patrícia Luz Ribeiro, Alessandro Rapini

Four New Species of Marsdenia (Apocynaceae) from the Cerrado Domain

Systematic Botany 43(2):571-578. 2018

Four new species of Marsdenia (M. avacanoeira, M. minutiflora, M. rupestris, and M. serpentina) endemic to the Cerrado domain (Brazil) are described and illustrated here.

Hildaea parvispiculata - new species

2018-11-06T01:30:00.000+01:00

Christian da Silva, Cristiane Snak, Pedro Lage Viana, Gerrit Davidse, Reyjane Patrícia de Oliveira
A New Species of Hildaea (Poaceae, Paspaleae) from Northern Brazil with the Smallest Spikelets in the Genus

Systematic Botany 43(3):747-753. 2018