slender Russian thistle
Salsola collina Pallas


Salsola collina is an erect annual forb. It is a round, bushy, much-branched plant growing 1-3.5 ft. (0.3-1.1 m) high.
The branches are slender and soft when young, woody when mature. The leaves are alternate. The first ones start off being dark green, soft, slender, and 1-2.5 in. (2.5-6.4 cm) long.
Flowers are small, green-white or pink in color.
About 30 seeds are produced per seed head.
Ecological Threat
Salsola collina can threaten native plant ecosystems. This species can reduce yield and quality of numerous agricultural crops. She depletes soil moisture, interferes with tillage operations, and serves as a shelter or food source to many insects, vertebrate pests, and crop diseases. Salsola collina is native to eastern Europe and eastern Asia.


Selected Images


EDDMapS Distribution

EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit

State Regulated List

State Regulated List - This map identifies those states that list this species on their regulated list. For more information, visit

Taxonomic Rank

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Caryophyllidae
Order: Caryophyllales
Family: Chenopodiaceae
Genus: Salsola
Subject: Salsola collina Pallas

Synonyms and Other Names

Other Common Names:
Russian thistle, slender Russian-thistle, spineless Russian thistle


Plants - Forbs/Herbs