Relatives

Range of distribution of Caucasian Clover (Trifolium caucasicum Tausch.).

Object description Download GIS-layers

Authors:

The expert-botanists - N.I.Dzyubenko, E.A.Dzyubenko.
The GIS expert - A.N.Dzyubenko.

Date of creation:

17.03.2007

Scale:

1:20 000 000.

Accuracy of the map:

The map is based on data of a 1:13 000 000 scale map, specified according to herbarium materials.

Projection:

"Albers Equal-Area Conic Projection for USSR", 9, 1001, 7, 100, 0, 44, 68, 0, 0

Basic contents:

The map is a vector file consisting of 1 basic and 2 subject layers. The species range is represented by polygons and dots.

Accuracy of the qualifier:

The dots represent information on the species localities: 1 - reliable data from herbarium and published sources; polygons (1) - generalized information on the species distribution from published sources and herbarium specimens.

Method of the map construction:

The data from the herbarium materials of LE, published map of a part of the species distribution range (Grossheim, 1952), published data (Bobrov, 1945, 1987), and data from ILDIS World Database of Legumes (Roskov et al., 2005) were used for constructing the range of Trifolium caucasicum. The species is restricted by uplands of Moldova, southern Ukraine, Rostov Region and Krasnodar Territory of Russia, Crimea and Caucasus (except high mountains). The range is disjunctive and consists of four polygons and dots. The dot in the northern Krasnodar Territory is located in habitat conditions atypical of the species, hence this locality was not included in the polygon borders. The southern border of the Caucasian polygon is drawn along the former state border of the USSR.

References:

Brezhnev DD., Korovina ON. 1981. Wild relatives of cultivated plants of the flora of the USSR. Leningrad: Kolos. 376 p. (In Russian).
Galushko AI. 1980. Flora of the North Caucasus: Handbook. V.2. 352 p. (In Russian).
Grossheim AA. 1952. Flora of Caucasus. 2nd ed. V.5. P.194-221. (In Russian).
Bobrov EG. 1945. Clover - Trifolium L. In: Shishkin BK., ed. Flora URSS. V.11. P.189-261. (In Russian).
Bobrov EG. 1987. Clover - Trifolium L. In: Fedorov AA., Tzvelev NN., eds. Flora of the European part of the USSR. V.6. P.195-208. (In Russian).
Roskov YR. et al. 2005. ILDIS World Database of Legumes. [Online] Available at: http://www.ildis.org/LegumeWeb?sciname=Trifolium%20caucasicum
Herbarium specimens of V.L.Komarov Botanical Institute [LE] (St.Petersburg, Russia).

Rights and copyrights:

The copyrights of the map and descriptions are held by their authors.
The copyright of the photo is held by E.A.Dzyubenko.