At head of title: Akademii͡a nauk SSSR. Bontanicheskiĭ institut imeni V. L. Komarova. Added t.p. in Latin: Academia scientiarum URSS. Institutum botanicum nomine V.L. Komarovii. A.I. Tolmatchev, Flora arctica URSS. Revisio critica plantarum vascularum in regione arctica unionis rerum publicarum sovieticarum socialisticarum sponte crescentium.