Results 21 to 30 of about 22,540 (244)

New records of pteridophytes from Annobón Island

Bothalia: African Biodiversity & Conservation, 2009
Eight new records of pteridophytes are listed for the flora of Annobón (Equatorial Guinea). Specimen information is provided for 12 literature-based records in the Flora de Guinea Ecuatorial.
E. Figueiredo, A. Gascoigne, J. P. Roux
doaj   +1 more source

El cultivo in vitro de esporas y los aspectos reproductivos del helecho anual Anogramma chaerophylla (Pteridaceae) [PDF]

, 2016
Anogramma chaerophylla pertenece a un género de helechos con esporofitos anuales y gametofitos potencialmente perennes. En el área de estudio, la Reserva Natural Punta Lara, la vegetación crece bajo estrés debido principalmente a la contaminación y la ...
Berrueta, Pedro Cayetano, Giudice, Gabriela Elena, Gorrer, Daniel Alejandro, Luna, María Luján, Ramos Giacosa, Juan Pablo, Yañez, Agustina   +5 more
core   +3 more sources

An experimental assessment of competitive interactions between sexual and apomictic fern gametophytes using Easy Leaf Area

Applications in Plant Sciences, 2022
Premise Few studies have explored competition in fern gametophyte populations. One limiting factor is the tedious measurement of gametophyte size as a proxy for biomass in these small plants.
Ondřej Hornych, Lucie Černochová, Aleš Lisner, Libor Ekrt   +3 more
doaj   +1 more source

A study on the ferns flora in Gutianshan Nature Reservation in Zhejiang Province

浙江大学学报. 农业与生命科学版, 2001
The pteridophytic flora of the Gutianshan Nature Reservation of Zhejiang Province are composed of 158 species and 8 varieties, 65 genera, 34 families.
DING Bing-yang, ZENG Han-yuan, FANG Teng, CHEN Sheng-wen, YU Jian-ping   +4 more
doaj   +1 more source

New evidence for the age of the Athol Formation (Middle Jurassic : Bajocian) in the Tusk-1 and Tusk-2 wells, offshore Carnarvon Basin, Western Australia [PDF]

, 2010
The co-occurrence of ammonites with palynomorphs in the Athol Formation of the Tusk-1 and Tusk-2 wells drilled in the offshore Carnarvon Basin, Western Australia confirms the Early Bajocian (Middle Jurassic) age of the Dissiliodinium caddaense ...
Darbyshire, D.P. Fiona, Riding, James B., Westermann, Gerd E.G.   +2 more
core   +1 more source

Pteridophyta

Bothalia: African Biodiversity & Conservation, 2011
New pteridophyte records for the flora of Swaziland.
N. R. Crouch, J. E. Burrows
doaj   +1 more source

The Jurassic/Cretaceous boundary and high resolution biostratigraphy of the pelagic sequences of the kurovice section (Outer Western Carpathians, the northern Tethyan margin) [PDF]

, 2019
Microfacies and high resolution studies at the Kurovice quarry (Czech Republic, Outer Western Carpathians) on calpionellids, calcareous and non-calcareous dinoflagellate cysts, sporomorphs and calcareous nannofossils, aligned with paleomagnetism, allow ...
Elbra, Tiiu, Reháková, Daniela, Schnabl, Petr, Skupien, Petr, Svobodová, Andrea, Svobodová, Marcela, Švábenická, Lilian   +6 more
core   +1 more source

Burmese amber fossils bridge the gap in the Cretaceous record of polypod ferns [PDF]

, 2016
publisher: Elsevier articletitle: Burmese amber fossils bridge the gap in the Cretaceous record of polypod ferns journaltitle: Perspectives in Plant Ecology, Evolution and Systematics articlelink: http://dx.doi.org/10.1016/j.ppees.2016.01.003 ...
Alexander R. Schmidt, Barden, Bell, Benton, Benton, Cardinal, Caspary, Christenhusz, Coiffard, Collinson, Collinson, Cruickshank, Darriba, Drummond, Feldberg, Goeppert, Grimaldi, Guindon, Gómez, Harald Schneider, Hasebe, Hedenäs, Heinrichs, Heinrichs, Heinrichs, Heinrichs, Hu, Jochen Heinrichs, Kramer, Kvaček, Lehtonen, Lehtonen, Lloyd, Lovis, Lóriga, Maddison, Magallón, Magallón, Mays, Mendes, Meredith, Mohr, Nagalingum, Nagalingum, Parham, Poinar, Poinar, Pérez-de la Fuente, Rambaut, Rambaut, Ren, Rothwell, Schmidt, Schmidt, Schneider, Schneider, Schneider, Schneider, Schneider, Schuettpelz, Schuettpelz, Shi, Skog, Smith, Smith, Smith, Smith, Smith, Tidwell, Tryon, van Konijnenburg-van Cittert, Vera, Vermeij, Villarreal, Wing, Zeng   +75 more
core   +1 more source

The effect of red light on the germination of a Brazilian Pteridophyte

Brazilian Archives of Biology and Technology, 1999
The effects of red light on the germination of spores of Cheilantes concolor Langsd & Fisch were investigated in this study. The spores were spread in the Mohr (1956) nutritional solution after Dyer’s modifications (1979).
Áurea M. T. Colli, Sonia C. J. G. de A. Perez   +1 more
doaj   +1 more source

Antibacterial and antitumor activities of a lectin-rich preparation from Microgramma vacciniifolia rhizome

Current Research in Pharmacology and Drug Discovery, 2022
The rhizome of Microgramma vacciniifolia contains a lectin (carbohydrate-binding protein) called MvRL. Studies demonstrated that a MvRL-rich fraction did not show in vivo genotoxicity and acute toxicity in mice. This study aimed to evaluate the MvRL-rich
Gabriela Cavalcante da Silva, Alisson Macário de Oliveira, Wêndeo Kennedy Costa, Antônio Felix da Silva Filho, Maira Galdino da Rocha Pitta, Moacyr Jesus Barreto de Melo Rêgo, Ivone Antônia de Souza, Patrícia Maria Guedes Paiva, Thiago Henrique Napoleão   +8 more
doaj   +1 more source