Europäische Liliengesellschaft: http://www.liliengesellschaft.org/ 

North American Lily Society: http://www.lilies.org 

Jaap M. van Tuyl´s Lilium-pages: http://www.liliumbreeding.nl 

John Lykkegaard´s photopage: http://www.flickr.com/photos/16734351@N00/ 

Holge Kuehne´s homepage: http://plant21.de 

Online lily register: http://www.lilyregister.com/ 

GRIN - Lilium: http://www.ars-grin.gov/cgi-bin/npgs/html/splist.pl?6829 

Chinese Lilies: http://flora.huh.harvard.edu/china/PDF/PDF24/lilium.pdf 

http://ejournal.sinica.edu.tw/bbas type in "lilium" as search tearm

The efficiencies of various embryo rescue methods in interspecific crosses of Lilium: http://ejournal.sinica.edu.tw/bbas/content/2002/2/bot432-07.pdf 

Genetic differentiation of Lilium longiflorum Thunb. var. scabrum Masam. (Liliaceae) in Taiwan using Random Amplified Polymorphic DNA and morphological characters: http://ejournal.sinica.edu.tw/bbas/content/1999/1/bot41-07.pdf 

A tissue culture protocol for propagation of a rare plant, Lilium speciosum Thunb. var. gloriosoides Baker: http://ejournal.sinica.edu.tw/bbas/content/2000/2/bot12-08.pdf 

Interspecific crosses of lily by in vitro pollinated ovules: http://ejournal.sinica.edu.tw/bbas/content/2000/2/bot12-09.pdf 

Danish Iris and Lily Society: http://www.dils.dk  

Bjørn Malkmus Rare Plants: http://www.rareplants.de 

International Plant Name index for "Lilium"

SysTax - a Database System for Systematics and Taxonomy: 
http://www.biologie.uni-ulm.de/systax/index.html 

Pacific Bulb Society (PBS): http://www.pacificbulbsociety.org 

Anatolic Liliaceae: http://geocities.com/anatoliannativeliliums/index.html 

Lilien Wikipedia - DEUTSCH: http://de.wikipedia.org/wiki/Lilien 

Microscopic: http://images.iasprr.org/lily/male.shtml 

Microscopic: http://images.iasprr.org/lily/female.shtml 

Microscopic: http://botit.botany.wisc.edu/images/130/Angiosperm/Lilium 

Microscopic: http://www.csupomona.edu/~jcclark/classes/bot125/resource/graphics/ant_lil_ovary.html 

McRae, Edward A. (2001): "Lilies: A Guide for Growers and Collectors"

Feldmaier, C. and J. McRae (1982): "Lilien"

Frank, Reinhilde (1998): "Zwiebel- und Knollengewächse"

Bird, Richard (1997): "Lilien"

Burnie, Geoff et al. (1997): "Botanica"

Synge, Patrick (1980): "Lilies"

Jefferson-Brown, Michael  & Harries Howland: "The Gardener´s Guide to Growing Lilies"

Haw, Stephen (1986):  "Lilies of China"

Shimizu, M. (1971): "Lilies of Japan",  Seibundo, Tokyo

Shimizu, M. (1987): "The Lilies of Japan - Species and hybrids"

Nishikawa et al. (1999): A Molecular Phylogeny of Lilium in the Internal Transcribed Spacer Region of Nuclear Ribosomal DNA. J Mol Evol (1999) 49: 238-249

Nishikawa et al. (2001): Phylogenetic Analysis of Section Sinomartagon in Genus Lilium using Sequences of the Internal Transcribed Spacer region in Nuclear Ribosomal DNA. Breeding Scince 51: 39-46