The New Encyclopædia Britannica, Volume 19Encyclopædia Britannica, 1981 - Encyclopedias and dictionaries |
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Page 1
Half of the families contain 50 species or less, but the two largest families (
Malpighiaceae and Oxalidaceae) each have about 900 species. These two large
families have predominantly tropical distributions, although the Oxalidaceae has
some ...
Half of the families contain 50 species or less, but the two largest families (
Malpighiaceae and Oxalidaceae) each have about 900 species. These two large
families have predominantly tropical distributions, although the Oxalidaceae has
some ...
Page 283
The appearance of temperate grasslands changes from season to season as a
result of the successive flowering of different species. A few species thrust their
flowering stems upward shortly after theedisappearance of snow and before they
...
The appearance of temperate grasslands changes from season to season as a
result of the successive flowering of different species. A few species thrust their
flowering stems upward shortly after theedisappearance of snow and before they
...
Page 448
species or less, and four have only a single species. The only one that is at all
numerous is that of the rails, with about 130 species. Many gruiform birds appear
in the “Red Data Book” of endangered species, published by the International ...
species or less, and four have only a single species. The only one that is at all
numerous is that of the rails, with about 130 species. Many gruiform birds appear
in the “Red Data Book” of endangered species, published by the International ...
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