Results 51 to 60 of about 10,751,966 (215)

A new species in the Spirobranchus kraussii complex (Annelida: Serpulidae) from Australia

Records of the Australian Museum
The blue coral-worm Spirobranchus kraussii (Baird, 1864) (Annelida: Serpulidae) was originally described from South Africa and reported as a widely distributed Indo-Pacific species, however it is now recognized as a complex of regionally distributed ...
Ivison Brandao, Ashley Ingall, Elena Kupriyanova   +2 more
doaj   +1 more source

Species Delimitation and Conservation in Taxonomically Challenging Lineages: The Case of Two Clades of Capurodendron (Sapotaceae) in Madagascar

Plants, 2021
Capurodendron is the largest endemic genus of plants from Madagascar, with around 76% of its species threatened by deforestation and illegal logging.
Carlos G. Boluda, Camille Christe, Aina Randriarisoa, Laurent Gautier, Yamama Naciri   +4 more
doaj   +1 more source

Molecular characterization of Spirometra isolates across the USA

Parasitology
Spirometra is a genus of zoonotic cestodes with an ambiguous species-level taxonomic history. Previously, Spirometra mansonoides was considered the only species present in North America.
Tiana L. Sanders, Caroline Sobotyk, Pablo D. Jimenez Castro, Amira Abdu, Jennifer Baade, Mindy Borst, Sriveny Dangoudoubiyam, Brooke A. Delcambre, Jeff M. Gruntmeir, Alice Lee, Christian Leutenegger, Cecilia Lozoya, Gleeson Murphy, Cassan Pulaski, John Schaefer, Adriano Vatta, Heather D. S. Walden, Manigandan Lejeune, Guilherme G. Verocai   +18 more
doaj   +1 more source

A brain and a head for a different habitat: Size variation in four morphs of Arctic charr (Salvelinus alpinus (L.)) in a deep oligotrophic lake

Ecology and Evolution, 2020
Adaptive radiation is the diversification of species to different ecological niches and has repeatedly occurred in different salmonid fish of postglacial lakes.
Ana‐Maria Peris Tamayo, Olivier Devineau, Kim Præbel, Kimmo K. Kahilainen, Kjartan Østbye   +4 more
doaj   +1 more source

On the Neoechinorhynchus agilis (Acanthocephala: Neoechinorhynchidae) complex, with a description of Neoechinorhynchus ponticus n. sp. from Chelon auratus in the Black Sea

Parasite, 2020
We recognize four species in the Neoechinorhynchus agilis complex. We studied specimens of Neoechinorhynchus (Hebesoma) personatus Tkach, Sarabeev & Shvetsova, 2014 from Mugil cephalus in the Mediterranean Sea off Tunisia and in the Black Sea, and also ...
Amin Omar M., Sharifdini Meysam, Heckmann Richard A., Rubtsova Nataliya, Chine Halima Jmii   +4 more
doaj   +1 more source

Ceratozamia dominguezii (Zamiaceae): A New Cycad Species from Southeastern Mexico

Taxonomy, 2021
Ceratozamia dominguezii (Zamiaceae), a new species endemic to the lowland karstic tropical rainforests of southeastern Veracruz, Mexico, is described. The new species is part of the C.
Miguel Angel Pérez-Farrera, José Said Gutiérrez-Ortega, Andrew P. Vovides, Michael Calonje, Pedro Díaz-Jiménez   +4 more
doaj   +1 more source

Invasive species threats and opportunities: a primer for Oregon policymakers

, 2021
published by Oregon Invasive Species Council.Title from PDF cover (viewed on April 12, 2021).This archived document is maintained by the State Library of Oregon as part of the Oregon Documents Depository Program.

core  

Novel multilocus sequence typing scheme reveals high genetic diversity of human pathogenic members of the Fusarium incarnatum-F. equiseti and F. chlamydosporum species complexes within the United States [PDF]

, 2009
Species limits within the clinically important Fusarium incarnatum-F. equiseti and F. chlamydosporum species complexes (FIESC and FCSC, respectively) were investigated using multilocus DNA sequence data.
Sutton, D.A., Geiser, D.M., Crous, P.W., O'Donnell, K., Rinaldi, M.G., Gueidan, C.   +5 more
core   +1 more source

Cryptographic Puzzles and Complex Systems

, 2021
A puzzle lies behind password authentication (PA) and blockchain proof of work (PoW). A cryptographic hash function is commonly used to implement them. The potential problem with secure hash functions is their complexity and rigidity.
Vuckovac, Rade
core   +1 more source

Description of five new species in the genus Phlyctinus Schoenherr (Coleoptera, Curculionidae): a first step in deciphering the P. callosus complex

European Journal of Taxonomy, 2020
Phlyctinus callosus (Schoenherr, 1826) (Curculionidae, Entiminae, Oosomini) is a species native to the Western Cape province of the Republic of South Africa. It is regarded as a key pest of orchards and vineyards.
Julien M. Haran, Steffan Hansen, Laure Benoit, Pia Addison   +3 more
doaj   +1 more source