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The aims of the Ancient Yew Group are described as follows: To raise public awareness of the national and world wide importance of our ancient Yews; to survey, record and monitor the health of our ancient Yews; to highlight potential threats; to research and collate all modern and historical references ... [Information of the supplier, modified]
www.ancient-yew.org/
This photo collection depicts the cones of dozens of conifer species from around the world, with detailed indication of the origin of the specimens. Some of them are taken from trees cultivated in the Arboretum de Villardebelle in southern France, others were collected in the wild. [Editorial staff vifabio]
www.pinetum.org/cones/mpfcones.htm
Conceived as a collaborative research project to provide access to habitat descriptions, photographs, observations, nomenclature, distribution maps, and other data on California's wild plants, Calflora is now the online gateway to information about California’s wild plants.  The database provides: ... [Information of the supplier]
www.calflora.org/
The Herbarium of The New York Botanical Garden has completed cataloging its gymnosperms from North America north of Mexico. These records represent those specimens collected in Greenland, Canada, and the United States (excluding Hawaii), and include non-native species cultivated in North America. Records ... [Information of the supplier]
sciweb.nybg.org/Science2/hcol/gymn/index.asp
The Christmas Tree Genetics Program strives to improve the growth, quality and pest resistance of Christmas tree species important to North Carolina including Fraser fir, Virginia pine, Eastern white pine and Eastern redcedar. It also screens new species and is conducting genetic conservation efforts for ... [Information of the supplier]
www4.ncsu.edu/~frampton/ctg.htm
There is a boom in the realm of conifer literature in recent years and this book is among the major contributions to "conifer science". The increasing interest towards conifers is nurtured by exciting new discoveries, the recognition of a greater need for their conservation, and their benefits and usage ... [Information of the supplier, modified]
conifersaroundtheworld.com/
The Conservation Project aims at planting groves of endangered species of Cupressus. Some species are not endangered over their whole range, but several isolated populations are at risk because of the small number of trees on a limited surface. Since the 10 March 2009 the Cupressus Conservation Project ... [Information of the supplier, modified]
www.cupressus.net/
Die Seite des Ginkgo Museums Weimar dreht sich rund um das lebende Fossil Ginkgo biloba, den Ginkgo-Baum. Man erfährt nützliches über seine Kultivierung und Zucht, über die möglichen (Heil-) Wirkungen und Anwendungen der Pflanze und kann selbst Ginkgo- Samen zur Zucht erwerben, die dazu gehörigen ... [Redaktion vifabio]
www.mythos-ginkgo.de/
Currently the Database provides basic information (sometimes only a name) for all species and higher-ranked taxa of the gymnosperms, i.e., conifers, cycads, and their allies. You enter the taxonomic tree at the Family level and then navigate to the Genus, Species or sometimes Variety levels. At each ... [Information of the supplier]
www.conifers.org/
Cycads are an ancient group of seed plants with a crown of large compound leaves and a stout trunk. They are a minor component of the flora in tropical and subtropical regions today, but during the Jurassic Period, they were a common sight in many parts of the world. For this reason, the Jurassic is ... [Information of the supplier]
www.ucmp.berkeley.edu/seedplants/cycadophyta/cycads.html
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