Results 41 to 50 of about 1,784 (192)
Ceratozamia dominguezii (Zamiaceae): A New Cycad Species from Southeastern Mexico
Taxonomy, 2021 Ceratozamia dominguezii (Zamiaceae), a new species endemic to the lowland karstic tropical rainforests of southeastern Veracruz, Mexico, is described. The new species is part of the C.
Miguel Angel Pérez-Farrera +4 more
doaj +1 more source
Systematics and Chatacteristics [PDF]
, 2016 The "Tracheophyte Phylogeny Poster – Vascular Plants - Systematics and Characteristics" is an educational tool presenting an overview of the evolutionary relationships among non-flowering vascular plants (lycophytes, monilophytes, and gymnosperms ...
Cole, Theodor C.H., Hilger, Hartmut H.
core +1 more source
Intraspecific chromosome variation inZamia(Zamiaceae, Cycadales) [PDF]
Caryologia, 1991 SUMMARYIntraspecific chromosome variation in three species of Zamia (Zamiaceae, Cycadales) from Mexico and Belize is reported. Zamia fischeri has 2n = 16 and 18, Z. picta has 2n = 21 and 22, and Zamia sp. nov. has 2n = 22 and 26. All cytotypes have two submetacentric and two acrocentric chromosomes but differ in number of metacentric and telocentric ...
A. MORETTI +3 more
openaire +2 more sources
Applied BiosciencesPhyllosphere microbial communities influence the growth and productivity of plants, particularly in epiphytic plants, which are disconnected from nutrients available in the soil. We characterized the phyllosphere of 30 individuals of the epiphytic cycad,
Lilisbeth Rodríguez-Castro +3 more
doaj +1 more source
Las gimnospermas de los bosques mesófilos de montaña de la Huasteca Hidalguense, México
Botanical Sciences, 2001 Se realizó un tratamiento florístico de las gimnospermas que habitan los bosques mesófilos de montaña de la Huasteca Hidalguense; se registran en este tipo de vegetación cinco familias, que incluyen seis géneros y diez especies.
Raúl Contreras-Medina +2 more
doaj +1 more source
Population size, habitat and conservation status of an Endangered species, Macrozamia johnsonii (Zamiaceae) [PDF]
, 2013 Macrozamia johnsonii D. Jones & K. Hill is a locally endemic cycad (family Zamiaceae) with a restricted occurrence in north-eastern New South Wales and currently listed as Endangered.
Binns, Doug L., Meek, P.
core
Austral Entomology, Volume 65, Issue 1, February 2026.Abstract Over 870 species of scale insects, also called coccoids (infraorder Coccomorpha), have been recorded from Australia. Here, we systematically review literature, databases and collections to provide a revised assessment of non‐native species to Australia, for which we confirm those species that are introduced and extant in Australia (including ...
Mark K. Schutze +6 more
wiley +1 more source
Comprehensive tree assessments for prioritising conservation action in Mesoamerica
PLANTS, PEOPLE, PLANET, Volume 7, Issue 6, Page 1813-1823, November 2025.Tree species are of ecological and social importance globally. Mesoamerica has a diverse tree flora, and the region has experienced major changes in natural habitats due to human activities. In this study, for the first time, we assessed the conservation status of the region's tree species and found that 46% of trees in the region are at risk of ...
Emily Beech +12 more
wiley +1 more source
A new classification and linear sequence of extant gymnosperms [PDF]
, 2011 A new classification and linear sequence of the gymnosperms based on previous molecular and morphological phylogenetic and other studies is presented.
Chase, Mark W. +5 more
core +2 more sources
Plant Species Biology, Volume 40, Issue 6, Page 530-546, November 2025.Recent research has ignited a renewed interest in Ceratozamia cycads, unveiling their remarkable diversity. While previous studies primarily focused on morphology, this investigation employs a multidisciplinary approach, integrating phylogenetics, morphology, and ecological niches. Our methods identify seven distinct lineages as separate species.
Anwar Medina‐Villarreal +2 more
wiley +1 more source