Web references

Dendrologie – online, 2006, updated February 2, 2007, http://databaze.dendrologie.cz/. Checked January 2021.

eFloras. org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA, 2006, 2010, http://www.efloras.org. Checked January 2021.

Hongkong Flora and Vegetation, 2001-2007, http://www.hkflora.com. Checked January 2021.

Citing IPR database and Online application of Drudge 1 and 2:

If you find the database/application useful for your work, please mention it when citing sources of information. It may be cited as:

Teodoridis, V., Kovar-Eder, J., Marek, P., Mazouch, P., Kvaček, Z. 2011-2021. IPR database. http://www.iprdatabase.eu/. Faculty of Education, Charles University, Prague.

Teodoridis, V., Marek, P., Mazouch, P., Kovar-Eder, J. 2020-2021. Online application of Drudge 1 and 2. http://www.iprdatabase.eu/drudges/new/. Faculty of Education, Charles University, Prague.