Sergei Sergeevich Ikonnikov

Psammophiliella muralis (synonym Gypsophila muralis) is a species of flowering plants in the family Caryophyllaceae. It is known as annual gypsophila, cushion baby's-breath and low baby's-breath, an annual plant principally native to Europe except the British Isles. It can be also found in Central Asia, Turkey, the Caucasus, and Siberia. It is one of two species in genus Psammophiliella.

Eremogone congesta is a species of flowering plant in the family Caryophyllaceae known by the common name ballhead sandwort. It is native to western North America from central Canada to the American southwest.

Eremogone aculeata (syn. Arenaria aculeata) is a species of flowering plant in the family Caryophyllaceae known by the common name prickly sandwort. It is native to the western United States, where it grows in the southern sagebrush steppe, mountainous areas, and volcanic soils, as well as on rocky slopes. This is a mat-forming perennial herb growing in clumps of waxy foliage on short, hairy, glandular stems. The leaves are very thin and pointed, somewhat needlelike, and up to 3 or 4 centimeters long. The inflorescence is an open array of flowers with five lance-shaped to oval white petals

Eremogone ursina is a species of flowering plant in the family Caryophyllaceae known by the common name Bear Valley sandwort.

Eremogone saxatilis is a species of flowering plant belonging to the family Caryophyllaceae. Its native range is Eastern Europe to Siberia and Central Asia. Synonym: Arenaria saxatilis L.

Eremogone macradenia is a species of flowering plant in the family Caryophyllaceae known by the common names Mojave sandwort and desert sandwort.

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Eremogone fendleri, or Fendler's sandwort, is a perennial plant in the family Caryophyllaceae found in the Colorado Plateau and Canyonlands region of the southwestern United States.

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Psammophiliella is a genus of flowering plants in the carnation family, Caryophyllaceae. It includes two species native to Eurasia, ranging from Europe to Siberia and the western Himalayas. Psammophiliella esfandiarii (Assadi) Falat., Assadi & F.Ghahrem. – Iran Psammophiliella muralis (L.) Ikonn. – Europe, Siberia, Central Asia, the Caucasus, and the western Himalayas.

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