Results 121 to 130 of about 474,061 (284)

Integrating herbarium specimen observations into global phenology data systems

open access: yesApplications in Plant Sciences, 2019
Premise of the Study The Plant Phenology Ontology (PPO) was originally developed to integrate phenology observations of whole plants across different global observation networks.
Laura Brenskelle   +4 more
semanticscholar   +1 more source

Rhodora [PDF]

open access: yes, 1950
v.52 ...
Fernald, Merritt Lyndon, 1873-1950   +2 more
core   +1 more source

Revision of the Eduardo Reyes Prósper’s herbarium and typification of three species of charophytes (Charophyceae : Characeae) present within it

open access: yesAnales del Jardín Botánico de Madrid, 2019
A study of the charophytes collected by Eduardo Reyes Prósper in the period 1904–1906 and kept in the herbarium of the Royal Botanical Garden of Madrid (MA-ALGAE) is carried out.
Santos Cirujano, María A. Rodrigo
doaj   +1 more source

Lectotypification of Halymenia rodrigueziana J.Feldmann [= Sebdenia rodrigueziana (J.Feldmann) Codomier ex Athanasiadis (Sebdeniaceae, Rhodophyta)]. [PDF]

open access: yes, 2012
Here we designate as a lectotype of Halymenia rodrigueziana J. Feldmann the sheet JF2328 held in the Herbarium of J. Feldmann, included in the Herbarium of the Cryptogam Laboratory of the Muséum National d"Histoire Naturelle de Paris (PC).
Manghisi, Antonio   +1 more
core  

Current and potential distributions of three non-native invasive plants in the contiguous USA [PDF]

open access: yes, 2009
Biological invasions pose a serious threat to biodiversity, but monitoring for invasive species is time consuming and costly. Understanding where species have the potential to invade enables land managers to focus monitoring efforts.
Jones, Chad C., Reichard, Sarah
core   +1 more source

Wrightia. [PDF]

open access: yes, 1945
v.1 (1945 ...
Southern Methodist University.   +2 more
core   +1 more source

Field and Herbarium Studies, IV

open access: yesAnnals of the Missouri Botanical Garden, 1932
Polygonum minutissimum sp. nov. Annuum perparvum glabrum, 0.5-1 cm. altum; folio uno ad basem caulis, lineare, acuto; infloreseentia axillare, cum 4-10 floribus; sepalis albis, petalinis; achaeniis fuscis, ovatis, 1 mm. longis, triangularibus. Minute glabrous annual 0.5-1 cm.
openaire   +4 more sources

The Trèmols Herbarium: A European Herbarium from the End of the 19th Century

open access: yesDiversity
The herbarium Trèmols, preserved in the Botanical Institute of Barcelona (IBB), was created during the second half of the 19th century by the Catalan chemist and botanist Frederic Trèmols Borrell (Cadaqués 1831–1900). He was a member of important scientific institutions, including the Real Acadèmia de Ciències i Arts de Barcelona, the Societat Botànica
Laura Gavioli   +3 more
openaire   +4 more sources

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