Cacopsylla pyri

Cacopsylla pyri The pear psylla or pear psyllid (Cacopsylla pyri, Linnaeus) is an insect belonging to the Psyllidae family. Systematics

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Onopordum acanthium

Onopordum acanthium The Cotton thistle or Scottish thistle (Onopordum acanthium L., 1753) is a herbaceous species belonging to the Asteraceae

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How black Alder is grown

How black alder is grown The black alder or common alder (Alnus glutinosa (L.) Gaertn., 1790) is an arboreal plant

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Ononis spinosa

Ononis spinosa The spiny restharrow (Ononis spinosa L.) is a small thorny shrub belonging to the Fabaceae family. Systematics –

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Oenothera biennis

Oenothera biennis The common evening-primrose (Oenothera biennis L., 1753) is a herbaceous species belonging to the Onagraceae family. Systematics –

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Geographical map of the Republic of the Congo

Geographical map of the Republic of the Congo The Republic of the Congo is a Central African state and a

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