Results 91 to 100 of about 455,098 (313)
Approaches to estimating the universe of natural history collections data [PDF]
This contribution explores the problem of recognizing and measuring the universe of specimen-level data existing in Natural History Collections around the world, in absence of a complete, world-wide census or register. Estimates of size seem necessary to
Ariño, Arturo H.
core +4 more sources
Names in the genus Pinguicula established for taxa from the Baltic and Nordic countries, including their oversea territories and Iceland, were analyzed to provide nomenclatural and taxonomic clarity. Of the 33 names retrieved from the literature and online databases, one is illegitimate, two are invalid and 16 were found to require typification.
Yoannis Domínguez
wiley +1 more source
The discovery of two specimens of the rare and endemic Caucasian Lizard Orchid (Himantoglossum formosum) in 2018 in northern Azerbaijan — both found in a haystack, in the budding and early flowering stages — provided an opportunity to add these specimens
Attila Molnár V.
doaj +1 more source
A comparison of leaf crystal macropatterns in the two sister genera Piper and Peperomia (Piperaceae) [PDF]
Premise of the study: This is the first large-scale study comparing leaf crystal macropatterns of the species-rich sister genera Piper and Peperomia. It focuses on identifying types of calcium oxalate crystals and their macropatterns in leaves of both ...
Horner, Harry T +2 more
core +1 more source
Twenty new species of Hieracium sect. Tridentata and H. sect. Foliosa (Asteraceae) from Sweden
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
IMPORTANCE OF FUNGAL COLLECTIONS FOR MYCOLOGY [PDF]
The paper presents the importance of fungal collections for mycology, for systematical studies upon fungi taxa, for preservation of fungi species, for information transfer of the taxonomical data from a generation to another generation or elaboration of
ŞESAN TATIANA EUGENIA +2 more
doaj
A new species of Lentibulariaceae, Pinguicula brendae Rodríguez‐Ramírez, H.Shimai & A.R. Andrés‐Hernández, is described based on its unique morphological characteristics. This species is restricted to limestone rock walls in the San Bartolo Tutotepec municipality, central‐eastern Hidalgo, Mexico, where it inhabits a single locality on vertical, north ...
Ernesto C. Rodríguez‐ Ramírez +2 more
wiley +1 more source
Isoetes ×atruensis hyb. nov. is shown to be a triploid (2n = 3× = 33 + 1) sterile interspecific hybrid between diploid (2n = 2× = 22 + 1) I. coromandelina and tetraploid (2n = 4× = 44 + 1) I. rajasthanensis. It has been found in two locations in Rajasthan, India.
Sarvesh Kumar Singh +4 more
wiley +1 more source
A new species of Nepenthes (Nepenthaceae) from Sumatra
AKHRIADI, PITRA, HERNAWATI & TAMIN, RUSJDI. 2004. A new species of Nepenthes (Nepenthaceae) from Sumatra. Reinwardtia 12 (2): 141 – 144. ─ A New Species of Nepenthes rigidifolia is described.
Pitra Akhriadi +2 more
doaj
Taxonomic insights into Indian Rotala (Lythraceae) species with verticillate phyllotaxy
In an effort to resolve taxonomic complexities among Indian Rotala species with verticillate phyllotaxy, this study provides an identification key, revised nomenclature, updated morphological descriptions including SEM studies of seed coat surfaces, detailed photoplates, and notes on phenology, ecology, and distribution.
Arikrishnan Parthiban +2 more
wiley +1 more source

