Katolog > Science > Biology > Flora and Fauna > Plantae > Magnoliophyta > Magnoliopsida > Fagaceae > Quercus

Quercus is the genus of the tree commonly known as oak. The trees are characterised by their fruit, 'acorns'. There are around 100 species, found throughout the temperate northern hemisphere, with the distribution extending into the northern tropics.

Kategorier

Quercus agrifolia (5) Quercus alba (5) Quercus arizonica (3) Quercus bicolor (5) Quercus chrysolepis (4) Quercus coccinea (6) Quercus douglasii (4) Quercus ellipsoidalis (4) Quercus emoryi (4) Quercus falcata (5) Quercus gambelii (4)

Quercus garryana (4) Quercus grisea (3) Quercus ilex (4) Quercus kelloggii (4) Quercus laevis (4) Quercus laurifolia (4) Quercus lobata (4) Quercus lyrata (5) Quercus macrocarpa (4) Quercus marilandica (4) Quercus michauxii (5)

Quercus muehlenbergii (4) Quercus phellos (4) Quercus prinus (5) Quercus robur (6) Quercus rubra (5) Quercus stellata (5) Quercus suber (2) Quercus turbinella (4) Quercus velutina (5) Quercus virginiana (5)

Links:

Quercus wislizenii Distribution and occurrence; value and use; characteristics; and fire ecology. www.fs.fed.us/database/feis/plants/tree/quewis

Quercus incana Distribution and occurrence; value and use; characteristics; and fire ecology. www.fs.fed.us/database/feis/plants/tree/queinc

Quercus coccifera Photographs of flowering leafy shoots. www.dipbot.unict.it/orto/0726-1.html

Quercus fontanesii Image of foliage and catkins. www.dipbot.unict.it/orto/0727-1.html

Quercus nigra Distribution and occurrence; value and use; characteristics; and fire ecology. www.fs.fed.us/database/feis/plants/tree/quenig

Quercus oblongifolia Information on distribution and occurrence; value and use; characteristics; and fire ecology. www.fs.fed.us/database/feis/plants/tree/queobl

Quercus palustris Distribution and occurrence; value and use; characteristics; and fire ecology. www.fs.fed.us/database/feis/plants/tree/quepal

Quercus pungens Information on distribution and occurrence; value and use; characteristics; and fire ecology. www.fs.fed.us/database/feis/plants/tree/quepun

Quercus shumardii Distribution and occurrence; value and use; characteristics; and fire ecology. www.fs.fed.us/database/feis/plants/tree/queshu

International Oak Society Nonprofit organization dedicated to encouraging the study and cultivation of the true oaks (genus Quercus). News, events, and publications. www.saintmarys.edu/~rjensen/ios.html

California Oaks Foundation Non-profit educational organization committed to preserving the state's oak forest ecosystem and its rural landscapes. www.californiaoaks.org

California Oak Mortality Task Force Addresses the issue of elevated levels of oak mortality through research, management, education and public policy. Contains monthly updates, distribution maps, symptoms, and educational materials. www.cnr.berkeley.edu/comtf

Quercus cerris L. Collection of pictures of the Turkey oak. www.bioimages.org.uk/HTML/T1470.HTM

Quercus petraea Collection of pictures of leaves, acorns, buds of Quercus petraea (Mattuschka) Liebl. www.bioimages.org.uk/HTML/R31950.HTM

Quercus havardii Information on distribution and occurrence; value and use; characteristics; and fire ecology. www.fs.fed.us/database/feis/plants/shrub/quehav

Oak Key Identification keys based on characteristics of acorns or twigs for 12 New England species. www.hort.uconn.edu/plants/keys/trees/oakkey.htm

Key to the Species of Oaks Native to Middle Tennessee Summer key for 19 species. Includes images of leaves and acorns. www2.vscc.cc.tn.us/jschibig/key_to_the_species_of_oaks.htm

Common Oaks of Florida Descriptions and illustrations of 19 species. edis.ifas.ufl.edu/BODY_FR004

California Oaks Descriptions and pictures of the oaks native to California from Las Pilitas Nursery. www.laspilitas.com/groups/oaks/california_oak1.html