Lichenology in Luxembourg and Belgium started in the early XIXth century, but it was especially towards the end of that century that national floras and checklists became available. After 1900, the lichenological exploration dramatically declined in these two countries, and it is only since the beginning of the sixties that, through the work of Prof. Jacques Lambinon, a new era of lichenology started. It is also during that time that Belgian lichenologists started exploring the neighbouring areas of northern France, which are therefore included within the scope of the present checklist. Since the early eighties, we have attempted to fill the gap by preparing a detailed inventory of crustose lichens, as well as of lichenicolous fungi which, although not lichenized, have traditionally been studied by lichenologists. Nowadays, the total number of accepted species almost reaches 1250, more than twice the number of previously published taxa. Nevertheless, no doubt this number will continue to increase in the forthcoming years for several reasons: we know of many, often sterile crusts, that still require identification; several genera are poorly known in the area of study (e. g. Acarospora, Thelidium, Verrucaria); many lichenicolous fungi and some small, inconspicuous crustose lichens are only found by chance, and despite very careful sampling during these past years, many have certainly been missed; comparison with modern European floras or checklists suggests that a relatively large number of additional species might occur in the study area. Therefore the aim of this internet site is to update our current knowledge of lichens and lichenicolous fungi in Luxembourg, Belgium and northern France, and to encourage students and botanists to pay attention to this fascinating world of organisms. ... [Information of the supplier, modified]
Welcome to the largest photo collection of tropical lichens online. You can search this website by typing a few letters in the search box, or browse by clicking the first letter of the genus. Field guides with pictures of tropical lichens are rare although lichen diversity is highest in the tropics. With this website we provide images of many rarely depicted lichen taxa. This website is an initiative of André Aptroot (main image contributor) and Laurens Sparrius (web programming). This website contains over 3800 photos of over 2300 species. ... [Information of the supplier, modified]
The Consortium of North American Lichen Herbaria (CNALH) was created to serve as a gateway to distributed data resources of interest to the taxonomic and environmental research community in North America. Through a common web interface, we offer tools to locate, access and work with a variety of data, such as keying to species. The CNALH data portal is more than just a web site - it is a suite of data access technologies and a distributed network of universities, botanical gardens, museums and agencies that provide taxonomic and environmental information. Initially created to integrate databases between Arizona State University and the Santa Barbara Botantical Garden, the consortium is growing to extend its network to other partners within North America ... [Information of the supplier]
The Ways Lichen Photogallery is the first phase in a parallel flora project for the lichens of western North America, north to the Beaufort Sea, south to Baja, and east to the 105th meridian. In its present form our gallery contains only photographs, albeit rather a lot of them: 6510 images of 1533 species in 316 genera. ... [Information of the supplier]
