Results 61 to 70 of about 287,639 (338)
Geographic variation in U. S. populations of the tiger beetle Cicindela obsoleta Say (Coleoptera: Cicindelidae) [PDF]
, 2009 Geographic variation and subspecific taxonomy of United States populations of the tiger beetle Cicindela obsoleta Say are reviewed. Study of primary types and 1,424 museum specimens indicates that four subspecific entities are present in the U.S., for ...
Mawdsley, Jonathan R.
core
The polyploid continuum and the landscape of polyploid genomic variation
American Journal of Botany, EarlyView.Abstract Polyploid research has traditionally distinguished between autopolyploids and allopolyploids on the basis of evolutionary origins, modes of inheritance, or chromosomal pairing behavior during meiosis. It has long been recognized, however, that a binary classification does not accurately reflect the complexity and diversity inherent to ...
Alex D. Twyford +6 more
wiley +1 more source
PathogensFusobacterium nucleatum (F. nucleatum), a key pathogen implicated in periodontal disease, contributes to oral biofilm maturation and is linked to development of systemic diseases like colorectal cancer and liver cirrhosis.
Jianglan Li +6 more
doaj +1 more source
Temperature, energy metabolism, and adaptive divergence in two oyster subspecies
Ecology and Evolution, 2017 Comparisons of related species that have diverse spatial distributions provide an efficient way to investigate adaptive evolution in face of increasing global warming.
Ao Li +4 more
semanticscholar +1 more source
Pentatomidae of Arkansas [PDF]
, 1981 A total of 30 genera and 53 species and subspecies of Pentatomidae are reported as occurring or possibly occurring in Arkansas. Fifty species and subspecies contained in 29 genera were collected or recorded from previously collected material.
Barton, Harvey E., Lee, Linda A.
core +2 more sources
The Anatomical Record, EarlyView.Abstract Invasive gray squirrels (Sciurus carolinensis) have replaced the native red squirrel (Sciurus vulgaris) across much of Great Britain over the last century. Several factors have been proposed to underlie this replacement, but here we investigated the potential for dietary competition in which gray squirrels have better feeding performance than ...
Philip G. Cox, Peter J. Watson
wiley +1 more source
Ukrainian Botanical JournalThe genus Cleome sensu stricto comprises ca. 22 species naturally distributed across several regions of western Eurasia and Africa, but taxonomic uncertainty persists, particularly in Eastern Europe and the Caucasus.
Peregrym M.M. , Olshanskyi I.G.
doaj +1 more source
Thymus vulgaris subsp. mansanetianus subsp. nov. (Lamiaceae) [PDF]
Flora Montiberica, 2013 RESUMEN: Se describe una nueva subespecie de Thymus vulgaris L. (Lamiaceae); Th. vulgaris subsp. mansanetianus subsp. nov., caracterizada por presentar un hábito postrado, tallos estoloníferos, decumbentes y radicantes, hojas muy estrechas y una ...
Pedro Pablo Ferrer-Gallego +3 more
doaj
Bothalia: African Biodiversity & Conservation, 2007 Cyrtanthus aureolinus Snijman is a new, rare species of fire lily, which is localized in a vlei on the northern slopes of the Groot Swartberg, Western Cape.
D. A. Snijman
doaj +1 more source
A revision of Calyptochloa C.E.Hubb. (Poaceae), with two new species and a new subspecies [PDF]
, 2012 Thompson, E.J. & Simon, B.K. (2012). A revision of Calyptochloa C.E.Hubb. (Poaceae), with two new species and a new subspecies. Austrobaileya 8(4): 634–652. Two new species of Calyptochloa C.E.Hubb. (Calyptochloa cylindrosperma E.J.Thomps.
Simon, Bryan, Thompson, John
core +1 more source