Results 1 to 10 of about 11,997 (219)

Chlamydial genes shed light on the evolution of photoautotrophic eukaryotes

open access: yesBMC Evolutionary Biology, 2008
Background Chlamydiae are obligate intracellular bacteria of protists, invertebrates and vertebrates, but have not been found to date in photosynthetic eukaryotes (algae and embryophytes).
Melkonian Michael   +2 more
doaj   +1 more source

Plantae Colombianae,X: I.-De Euphorbiaceis notae diversae Plantae Colombianae,X: I.-De Euphorbiaceis notae diversae

open access: yesCaldasia, 1945
Cunuria Spruceana / Hevea guianensis / Hevea viridis / Senefeldera chiribiquetensis / Saurauia brachybotrys / Saurauia chortophylla /  Saurauia floccifera / Saurauia parviflora / Saurauia pseudoleucocarpa / Saurauia pycnotricha / Saurauia Smithiana ...
Schultes Richard Evans
doaj  

Plantae novae Câtalanae [PDF]

open access: yesRepertorium novarum specierum regni vegetabilis, 1909
n ...
openaire   +2 more sources

Plantae Colombianae, VII: Novae notiones generis Paullinia Plantae Colombianae, VII: Novae notiones generis Paullinia

open access: yesCaldasia, 1944
The following novelties in the sapindaceous genus Paullinia were collected during recent explorations in the upper reaches of the Apaporis River drainage in eastern Colombia.The following novelties in the sapindaceous genus Paullinia were collected ...
Schultes Richard Evans
doaj  

PLANTAE CENTROBRASILIENSES MINUS COGNITAE SEU NOVAE

open access: yesRodriguésia
SUMMARY A very small population of the dwarf palm Astrocaryum kewense B. Rodr. was found beside the road that passes near the town João Pinheiro, in Minas Gerais. The plant was collected only twice formerly, but at least Burret's specimen is lost.
CARLOS TOLEDO RIZZINI
doaj   +1 more source

Plantae Colombianae, V: Species nova generis Herrania Plantae Colombianae, V: Species nova generis Herrania

open access: yesCaldasia, 1943
Recently, señor Gabriel Gutiérrez, Agrónomo Auxiliar de la Sección de Biología Vegetal, kindly submitted to me for study a collection of Herrania from Santander. It represents an interesting new species, the description of which is presented below.
Schultes Richard Evans
doaj  

Plantae Colombianae. – III: Investigationes Specierum Saurauiae: Locus Primus Plantae Colombianae. – III: Investigationes Specierum Saurauiae: Locus Primus

open access: yesCaldasia, 1943
As a result of preliminary studies towards a revision of the American species of Saurauia, I have found it advisable to present the following notes on new or otherwise interesting species from Colombia.
Schultes Richard Evans
doaj  

Evolução das plantas

open access: yes, 2021
Nos meados do século XVIII, Carl von Linné, ou Carl Lineu (1707-1778), justamente conhecido como o pai da botânica, e os seus contemporâneos presumiam que todas as espécies haviam sido criadas por um ente superior e que a sua forma e o seu número eram constantes. «As espécies são tantas como as que foram criadas no início pelo Infinito», escreveu Lineu
openaire   +2 more sources

Plantae Colombianae, VI: Investigationes specierum saurauiae: locus secundus Plantae Colombianae, VI: Investigationes specierum saurauiae: locus secundus

open access: yesCaldasia, 1944
The following notes on new or otherwise interesting species of Saurauia are presented as a result of preliminary studies towards a revision of the American species of this genus. The following notes on new or otherwise interesting species of Saurauia are
Schultes Richard Evans
doaj  

The genus Inostemma Haliday (Hym.: Platygastridae) in Iran with some new records and biological findings

open access: yesJournal of Crop Protection, 2020
Three species of the genus Inostemma Haliday (Hymenoptera: Platygastridae), i.e. Inostemma discessus Szelenyi, I. koponeni Buhl and I. contariniae Szelenyi are reported as new records for the Iranian fauna.
Maryam Asadi-Farfar   +2 more
doaj  

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