Results 101 to 110 of about 71,231 (284)

A taxonomic update of the genus Clavija (Theophrastaceae) in Colombia and Ecuador

open access: yesNordic Journal of Botany, EarlyView.
Two species of Clavija are described as new to science: C. neivea (Department Huila Colombia), which is similar to C. pungens (Willd. ex Roem. & Schult.) Decne. of coastal Ecuador, but distinguished by its chiefly elliptic leaf blades with less serrate margins and 4‐merous flowers; C. zamorae (Prov.
Bertil Ståhl
wiley   +1 more source

A new phenological metric for use in pheno‐climatic models: A case study using herbarium specimens of Streptanthus tortuosus

open access: yesApplications in Plant Sciences, 2019
Premise Herbarium specimens have been used to detect climate‐induced shifts in flowering time by using the day of year of collection (DOY) as a proxy for first or peak flowering date. Variation among herbarium sheets in their phenological status, however,
Natalie L. Rossington Love   +2 more
doaj   +1 more source

Uncovering a new species of Hemileccinum (Boletaceae, Basidiomycota) from India with morphological characteristics and multi‐gene molecular phylogeny

open access: yesNordic Journal of Botany, EarlyView.
While undertaking macrofungal forays to several forested areas of Uttarakhand (India), a noteworthy and previously unknown species of Hemileccinum was unveiled. This species is proposed here as Hemileccinum indicum sp. nov. It is presented with both morphological characteristics and multigene molecular phylogenetic analysis.
Kanad Das   +3 more
wiley   +1 more source

Addition to the summary “Flora of the Lower Volga Region” of the class of Liliopsida Typhaceae – Hydrocharitaceae (according to the Engler system) based on the materials of the herbarium of the SARAT State University [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Серия Химия. Биология. Экология
The article presents the results of a comparative analysis of the distribution of plant species belonging to the families Typhaceae, Potamogetonaceae, Ruppiaceae, Juncaginaceae, Alismataceae, Butomaceae, Hydrocharitaceae in the Lower Volga region based ...
Boldyrev, Vladimir Alexandrovich   +2 more
doaj   +1 more source

Knowledge practices in design: The role of visual representations as 'epistemic objects' [PDF]

open access: yes, 2009
We use a detailed study of the knowledge work around visual representations to draw attention to the multidimensional nature of `objects'. Objects are variously described in the literatures as relatively stable or in flux; as abstract or concrete; and as
Austin, Robert   +24 more
core   +1 more source

Taxonomic treatment, geographic distribution and preliminar conservation status of Croton sect. Barhamia subsect. Barhamia (Euphorbiaceae) in Brazil

open access: yesNordic Journal of Botany, EarlyView.
The genus Croton (Euphorbiaceae) is an exceptionally megadiverse genus, encompassing roughly 1200 species that are predominantly distributed across tropical regions globally. For the New World, the genus is organized into three subgenera (Adenophylli, Geiseleria and Quadrilobi) and 31 sections, with C. sect. Barhamia standing out with its approximately
Nicolas Giovanny Burilli   +2 more
wiley   +1 more source

Dr. Roberto Miguel Klein Herbarium (FURB), Blumenau, Southern Brazil

open access: yesPhytoKeys, 2014
The premise of this study is to present the collection of the FURB herbarium, its collection area and type specimens, as well as its projects and contributions to the flora of the Subtropical Atlantic Forest.
Andre de Gasper   +5 more
doaj   +1 more source

Twenty new species of Hieracium sect. Tridentata and H. sect. Foliosa (Asteraceae) from Sweden

open access: yesNordic Journal of Botany, EarlyView.
Nineteen new, presumably apomictic species of Hieracium sect. Tridentata, namely Hieracium anisodontum, H. bicoloriceps, H. disparifolium, H. ditrichum, H. erectifolium, H. ferox , H. lapsanae, H. luteoviride, H. megaplicatum, H. multifolium, H. paer‐haraldii, H. perpendiculum, H. phaeochlorum, H. prasiniceps, H. semirigidum, H.
Tommy Nilsson, Torbjörn Tyler
wiley   +1 more source

The cigarette beetle Lasioderma serricorne (F.) (Coleoptera: Anobiidae): a serious herbarium pest

open access: yesBothalia: African Biodiversity & Conservation, 1988
The herbarium pest Lasioderme serricorne (F.) is described and illustrated, and aspects of its life cycle and eradication are discussed.
E. Retief
doaj   +1 more source

Studies on Hong Kong hepatics : 2., notes on some newly recorded liverworts from Hong Kong [PDF]

open access: yes, 1996
Based on field work and herbarium studies, 44 species belonging to 21 genera and 11 families of hepatics are newly reported for Hong Kong.
So, M.L., Zhu, R.L.
core  

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