Results 121 to 130 of about 76,402 (367)
Abstract Rubus ser. Glandulosi is one of the most taxonomically intricate taxa of the genus, which is by itself considered a taxonomical nightmare. Around 46 species are currently recognised in the group, but most of its morphological diversity could not be classified at the species level until recently due to unclear reproductive patterns, high ...
Michal Sochor+5 more
wiley +1 more source
Saxifraga rosacea subsp. rosacea
Published as part of Info Flora, 2021,
openaire +2 more sources
Spatial Relation of Bumblebees (Hymenoptera-Apidae) with Host-Plant and their Conservation Issues: An Outlook from Urban Ecosystem of Kathmandu Valley, Nepal [PDF]
Ecology and conservation status of bumblebee species remains poorly understood, especially in rapidly degrading urban ecosystems, which is important considering the role of bumblebees in the pollinations. We collected more than 200 bumblebee (Bombus
Baniya, Pratikshya+4 more
core +2 more sources
The Linnaean revolution – A history of the Natural System
Abstract A very brief history of the Natural System (NS) is presented, focusing on angiosperms. The account is divided into four parts. The first, “Setting the stage”, gives an outline of my understanding of evolutionary ontology and how this reflects on taxonomy.
Magnus Lidén
wiley +1 more source
The species of Crataegus L. at the initial phase of introduction in the mountains of Dagestan
The paper presents the results of an ecological-geographical experiment of 4 species of Crataegus L. (C. songarica, C. monogyna, C. pseudoheterophylla, C. pentagyna).
Zalibekov Marat, Gabibova Aminat
doaj +1 more source
Replicability of data collected for empirical estimation of relative pollen productivity [PDF]
The effects of repeated survey and fieldwork timing on data derived from a recently proposed standard field methodology for empirical estimation of relative pollen productivity (RPP) have been tested.
Bunting, M. Jane+2 more
core +1 more source
Typification and current status of the Turkish taxa described by Hanna Czeczott
Abstract Hanna Czeczott's 1925 expeditions to northern Turkey resulted in the description of 22 new taxa. Our study revisits them using Czeczott's original publications and herbarium collections. Of the 22 taxa described, we located all or parts of the original material for 21, designate 13 lectotypes (including one second‐step) and confirm 7 holotypes,
Maja Graniszewska+2 more
wiley +1 more source
Photinia and its morphologically similar allies in Maleae (Rosaceae) consist of five currently recognized genera: Aronia, Heteromeles, Photinia, Pourthiaea, and Stranvaesia, and 68 species, distributed in Asia and North and Central America.
Bin‐Bin Liu+6 more
semanticscholar +1 more source
Saxifraga rosacea subsp. rosacea
Saxifraga rosacea Moench subsp. rosacea Artbeschreibung: 5-25 cm hoch, lockere Polster bildend. Blätter der sterilen Triebe bis nahe zum Grund 3-7teilig, mit 1-1,5 mm breiten, bandförmigen, stumpfen oder spitzen Abschnitten und langen weissen Haaren, wie der Stängel oft rot überlaufen. Stängel aufrecht, mit 2-5 zuweilen 3teiligen Blättern.
Konrad Lauber+2 more
openaire +2 more sources