Results 51 to 60 of about 148,760 (303)

Confirmación de la presencia de Clerodendrum bungei (Lamiaceae) en la Argentina

open access: yesBonplandia, 2021
Clerodendrum bungei Steud. es confirmada para la Flora Argentina, citada anteriormente sin material de referencia. Se presenta una breve descripción de la especie, fotos de campo y comentarios sobre su distribución geográfica y ecología.
Adela M. Panizza, Christian A. Zanotti
doaj   +1 more source

Additions to the Bryophyte Flora of the Neotropics [PDF]

open access: yes, 2004
New and remarkable records of bryophytes from Venezuela, Brazil, Costa Rica and Ecuador are reported. Diphyscium chiapense and Hedwigia ciliata var. leucophaea are new to South America.
Lüth, Michael, Schäfer-Verwimp, Alfons
core  

Notas sobre «Cucurbitaceae» de la flora argentina

open access: yesBonplandia, 1968
En esta publicación se, señalan 10 especies de Cucurbitaceae que anteriormente no habían sido citadas para la Flora argentina; de ellas, ocho están dentro de su área de dispersión natural y dos son adventicias, escapadas de ...
openaire   +3 more sources

Trade‐offs in avian parental care: a review of theory and meta‐analysis of brood size manipulations

open access: yesBiological Reviews, EarlyView.
ABSTRACT The selective forces shaping parental care have been studied for over 50 years. While theoretical and experimental work has yielded qualitative progress, the large body of empirical work testing predictions about parental investment based on life‐history trade‐offs has yet to be synthesized.
Rebekah A. McKinnon   +4 more
wiley   +1 more source

Festuca rigescens (Poaceae, Pooideae, Loliinae) from Argentina and Chile. Darwiniana [PDF]

open access: yes, 2013
Festuca rigescens es conocida para la flora de Perú y Bolivia y en esta contribución se amplia su distribución para Argentina y Chile. Se recircunscriben los límites específicos de Festuca nardifolia, especie comúnmente confundida con la anterior, y se ...
Aliscioni, Sandra Silvina   +2 more
core   +1 more source

Behavioral aspects and predation of seeds of Cardiospermum grandiflorum Swartz (Sapindaceae) by Cissoanthonomus tuberculipennis Hustache (Coleoptera: Curculionidae) [PDF]

open access: yes, 2013
For the first time in Brazil, the weevil Cissoanthonomus tuberculipennis Hustache, 1939 (Coleoptera: Curculionidae) are reported preying on seeds of Cardiospermum grandiflorum Swartz (Sapindaceae).
Lampert, Silvana   +3 more
core   +2 more sources

Building phenotypic character matrices for phylogenetic inference: exploration of 35 years of practice

open access: yesBiological Reviews, EarlyView.
ABSTRACT Recent methodological development in phylogenetic inference has focused predominantly on molecular data. However, renewed interest in other data types, particularly morphological data, has followed from the increased recognition of the power of total evidence and tip‐dating approaches, including fossil data, for inference of time‐scaled trees ...
Melanie J. Hopkins   +9 more
wiley   +1 more source

Amaryllidaceae adventicias en la Argentina Amaryllidaceae adventitious in Argentina

open access: yesBoletín de la Sociedad Argentina de Botánica, 2007
Este trabajo incluye el estudio de las Amaryllidaceae adventicias para la Argentina, representadas por 4 géneros: Amaryllis, Crinum, Leucojum y Narcissus y 6 especies, 3 de ellas son nuevas citas: Crinum asiaticum , Leucojum aestivum y Narcissus poeticus
Julio A. Hurrell, Gustavo Delucchi
doaj  

Angiosperm pollen grains from the Cuayuca Formation (Late Eocene to Early Oligocene), Puebla, Mexico [PDF]

open access: yes, 2015
Systematic descriptions and illustrations of the best preserved angiosperm pollen grains (Monocotyledonae or Liliopsida: n= 7 and Dicotyledonae or Magnoliopsida: n= 41) recovered from Cuayuca Formation (late Eocene-early Oligocene), Puebla State ...
Martínez Hernández, Enrique   +2 more
core   +1 more source

Communication of Business‐Nonprofit Collaborations and Environmental Legitimacy: Exploratory Insights From Italian Firms

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Collaborations with nonprofits can enhance firms' legitimacy, yet the relationship between their communication and corporate environmental legitimacy remains poorly understood. Furthermore, research lacks an analysis of the communication of business‐nonprofit collaborations through multiple actors' perspectives.
Andrea Rizzuni   +3 more
wiley   +1 more source

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