Results 51 to 60 of about 75,944 (285)
Pollen morphology of Nothofagus (Nothofagaceae, Fagales) and its phylogenetic significance [PDF]
, 2016 Nothofagaceae (southern beeches) are a relatively small flowering plant family of trees confined to the Southern Hemisphere. The fossil record of the family is abundant and it has been widely used as a test case for the classic hypothesis that Antarctica,
Barreda, Viviana Dora +4 more
core +2 more sources
Mesomelissa Engel, new subgenus
, 2021 Published as part of Engel, Michael S. & Davis, Steven R., 2021, New genera of melikertine bees with facial modifications in Baltic amber (Hymenoptera: Apidae), pp. 1-52 in Journal of Melittology 2021 (103) on page 48, DOI: 10.17161/jom.i103.15655, http://zenodo.org/record ...
Engel, Michael S., Davis, Steven R.
openaire +2 more sources
American Journal of Botany, EarlyView.Abstract Premise Species complexes are groups of closely related species with ambiguous delimitation, often composed of recently diverged lineages. Polyploidization and uniparental reproduction (i.e., selfing and apomixis) can play important roles in the origin of species complexes. These complexes pose challenges for species‐based scientific questions,
Anne‐Sophie Quatela +7 more
wiley +1 more source
The Zethus of Venezuela (Hymenoptera: Eumenidae) [PDF]
, 2011 Thirty four species of Zethus are enumerated from Venezuela, providing known and new locality records. Six new species are described: Z. rubioi and Z. vincenti in the subgenus Zethusculus, Z. carpenteri and Z.
Stange, Lionel A.
core
Journal of Applied Toxicology, EarlyView.ABSTRACT African cobra (Naja spp.) venom contains toxins dominated by proteins and peptides with inter‐ and intra‐specific variations. There are several FDA‐approved drugs from snake venom toxins from other regions, including South America and Asia. Profiling the proteomes of medically important African cobra venoms from different locations will aid in
Benedict C. Offor +3 more
wiley +1 more source
Passiflora quimiana, a new species from the Cordillera del Cóndor: Ecuador's far‐flung frontier
Nordic Journal of Botany, EarlyView.A new species of Passiflora subgenus Decaloba, supersect. Decaloba, from the Cordillera del Cóndor in Ecuador, is described and illustrated, with its morphological similarities to other species being discussed in this paper. Passiflora quimiana exhibits the unique combination of narrow ovate to long‐oval leaves and small foliaceous bracts ...
J. R. Kuethe +4 more
wiley +1 more source
A review of weevils of the subgenus Hanibotus Reitter, 1912 of the genus Otiorhynchus Germar, 1822 (Coleoptera: Curculionidae) [PDF]
Кавказский энтомологический бюллетень, 2012 Taxonomic composition of the subgenus Hanibotus Reitter, 1912 of the genus Otiorhynchus Germar, 1822 is revised. O. auripes Stierlin, 1875 is transferred from the subgenus Panorosemus Reitter, 1912 to the subgenus Hanibotus. O.
G.E. Davidian, V.Yu. Savitsky
doaj +1 more source
European Journal of Taxonomy, 2021 Centris xanthomelaena Moure & Castro, 2001 is a relict species, endemic to northeastern Brazil and broadly recorded within the semiarid region of Caatinga xerophilous open vegetation.
Felipe Vivallo +1 more
doaj +1 more source
Delimitation of Major Lineages within \u3cem\u3eCuscuta\u3c/em\u3e Subgenus \u3cem\u3eGrammica\u3c/em\u3e (Convolvulaceae) using Plastid and Nuclear DNA Sequences [PDF]
, 2007 Subgenus Grammica, the largest and most diverse group in the parasitic genus Cuscuta, includes ~130 species distributed primarily throughout the New World, with Mexico as its center of diversity.
Costea, Mihai +2 more
core +1 more source
L´impact des aires protégées et des utilisations anthropogènes du sol sur la regeneration des terrains boisés à Acacia dans l´est du Burkina Faso [PDF]
, 2008 Regeneration success, persistence strategies (seedlings vs. coppicing), and population trend of Acacia spp. were tested under two land-use regimes in eastern Burkina Faso: (i) protected areas shielded to livestock grazing pressure, to logging, and using ...
Guinko, Sita +4 more
core +2 more sources