structural:scholar_edition, linguistic:voice_change
Handbook of systematic botany

Warming's textbook on systematics for his lectures of botany in Copenhagen appeared in several editions and was translated to German, Russian and English and used in foreign universities.

German edn. 1890: Handbuch der systematischen Botanik by E. Knoblauch (2nd edn 1902, 3rd edn 1911, 4th edn 1929 all by M. Möbius).Russian edn 1893: Систематика растеній (from the 3rd Danish edn by S. Rostovzev and M. Golenkin; 2nd edn 1898).English edn 1895: A handbook of systematic botany (by M.C. Potter; several editions, latest 1932).The section on seed plants was later expanded and issued as

The sections on spore plants were updated and published separately as