Table 5.1 Distribution of duckweed species
Genus
Species
Continent
Latitude
Spirodela
Polyrhiza
Asia, Europe, North America, South America, Africa, and Oceania 62°N–35°S
Intermedia
South America, Asia
18°N–35°S
Landoltia
Punctata
South America, North America, Asia, Oceania, and Europe
40°N–40°S
Lemna
Minor
Asia, Europe, Africa, North America, and Oceania,
60°N–15°N
15°S–40°S
Gibba
Asia, Europe, North and South America, and Africa
63°N–10°N
12°S–34°S
Aequinoctialis Asia, North America, South America, Africa, and Europe
35°N–35°S
Minuta
Europe, North America, South America, and Asia
52°N–13°N
13°S–34°S
Valdiviana
South America, North America
35°N–35°S
Japonica
East Asia
45°N–26°N
Tenera
Northern Australia, Southeast Asia
18°N–18°S
Yungensis
South America
10°S–26°S
Turionifera
Asia, Europe, North America
62°N–35°N
Obscura
North America, South America
35°N–5°N
Perpusilla
North America
40°N–30°N
Trisulca
Asia, Europe, North America, Africa
60°N–10°S
Disperma
Oceania
25°S–40°S
Wolffiella Lingulata
North America, South America
35°N–35°S
Oblonga
North America, South America
35°N–35°S
Gladiata
North America
40°N–25
o
N
Neotropica
South America
15°N–15°N
Welwitschii
Africa, South America
15°N–30°S
Senticulata
Africa
15°S–30°S
Caudata
South America
5°N–25°S
Repanda
Africa
15°S–30°S
Hyalina
Asia, Africa
15°N–15°S
Rotunda
Africa
15°S–30°S
Wolffia
Arrhiza
Asia, Europe, South America, Africa
50°N–35°S
Cylindracea
Africa
10°S–35°S
Columbiana
North America, South America
45°N–10°S
Elongata
Asia, South America
35°N–5°N
Neglecta
Asia
30°N–20°N
Angusta
Oceania, Southeast Asia
10°N–35°S
Globosa
Asia, North America, South America
35°N–5°N
Microscopica
Asia
30°N–15°N
Australiana
Oceania
30°S–45°S
Borealis
North America
45°N–30°N
Brasiliensis
South America, North America
45°N–30°S
60
J. Zhang and A. Azizullah