"Flora of Russia" on iNaturalist: a dataset.

Background: The "Flora of Russia" project on iNaturalist brought together professional scientists and amateur naturalists from all over the country. Over 10,000 people were involved in the data collection.

New Information: Within 20 months, the participants accumulated 750,143 photo observations of 6,857 species of the Russian flora.

[Post-traumatic stress disorder and delusions. A case report].

The present paper initially discusses the possible transitions existing between posttraumatic stress disorder (PTSD) and delusional disorder. With respect to the latter, the main focus is on the psychopathological concept of the so-called sensitive delusion of reference. A patient who developed a delusional disorder secondary to PTSD, which had been precipitated by his involvement in a serious auto accident, is then described.