Results 61 to 70 of about 3,647 (212)
We utilized 10 microsatellite loci to examine the genetic diversity, genetic structure, and demographic history of Zamia decumbens Calonje, Meerman, M.P. Griff. & Hoese, an endangered cycad species occurring in small disjunct populations on karst topography within the Maya Mountains of Belize.
Michael Calonje +4 more
wiley +1 more source
La mariposa Eumaeus toxea es un herbívoro que se alimenta de Zamia paucijuga, una cícada considerada amenazada y vulnerable, con unatendencia a la disminución y desaparición de sus poblaciones.
Noe Ruiz-García +4 more
doaj +1 more source
Cícadas, fósiles vivientes del reino vegetal [PDF]
Fil: Martínez, Leandro Carlos Alcides. Instituto de Botánica Darwinion; ArgentinaFil: Artabe, Analía Emilia Eva. Universidad Nacional de La Plata.
Artabe, Analía Emilia Eva +1 more
core +2 more sources
Threats to cycad biocultural heritage in the Amami Islands, Japan
The central point we seek to frame in this article is that the increasing infestations of cycad aulacaspis scale in the Amami guntō existentially threaten not only the islands' sotetsu but rather entire cultural systems and natural ecologies that have developed around these plants.
Joshua D. Englehardt +4 more
wiley +1 more source
Nathaniel Lord Britton (1859 - 1934) [PDF]
During his directorship of thirty-three years-a short space of time as the world goes-Doctor Britton had seen The New York Botanical Garden develop from little more than an idea to a well-developed tract of nearly 400 acres, with handsome buildings, an ...
Howe, Marshall Avery
core
Systematics and Chatacteristics [PDF]
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
The sex ratio of the endemic gymnosperm Cycas panzhihuaensis is determined by the potential sex‐determining gene MADS‐Y. The study examined the sex dimorphism and spatial distribution of male and female individuals. The genotypic sex ratio of the C. panzhihuaensis population is balanced. Additionally, there is a significant clustering effect in spatial
Yong‐Qiong Yang +8 more
wiley +1 more source
Phylogenie und Systematik der Gefäßpflanzen [PDF]
Das Lehr- und Lernposter „Stammbaum der Tracheophyten – Phylogenie und Systematik der Gefäßpflanzen“ gibt einen Überblick a) über die Phylogenie (Stammesgeschichte) der „Farnverwandten“ (Lycophyten und Monilophyten, die „Farne“) bis zu den Familien ...
Cole, Theodor C.H., Hilger, Hartmut H.
core +1 more source
Comparative anatomy of leaflets of Zamia acuminata and Z. pseudomonticola (Zamiaceae) in Costa Rica
The genus Zamia is morphologically and ecologically the most diverse of the order Cycadales. Throughout its history this genus has been restricted to the New World and is presently almost entirely restricted to the Neotropics.
Rafael Acuña-Castillo +1 more
doaj +2 more sources
Evaluación del riesgo de extinción de Zamia prasina en la Provincia Biótica Península de Yucatán
Zamia prasina es una cícada nativa de la Provincia Biótica Península de Yucatán. Esta especie fue categorizada, según la Norma Mexicana NOM-059 del 2010, como en protección especial (Pr) y según las normas de la Unión Internacional para la Conservación ...
Grecia Montalvo-Fernández +4 more
doaj +1 more source

