agriculture
gardens
soap
turnip fields
Chazars
houses
Huns
Mogols/Moguls
Sarmatians
Scythians
American nightshade, Phytolacca americana L.
Datura stramonium L. > Datura stramonium
Datura stramonium L. > Thorn Apple
Datura stramonium, Datura stramonium L.
goose foot, Chenopodium album L.
grass/grasses
nettle, Urtica L. spp.
Phytolacca americana L. > American Nightshade
Phytolacca americana L. > Phytolacca decandra
Phytolacca decandra, Phytolacca americana L.
thorn apple, Datura stramonium L.
Urtica L. spp. > nettle
chemical analysis
chemists
examine/examined/examining
German chemist
observations
alkaline
caustic
humus/Humus
rain
rain
snow
soap
stratum (strata)
America
Russia
Sweden
Volga, river
Kalm, Pehr
Wallerius
snakes
viper