Additional identifications: Sparganium longifolium Turcz. ex Ledeb.⁣ det. Karo, Ferdinand Kaetanovich; Sparganium emersum Rehmann⁣ ⟨растение A⟩ det. Tzvelev, Nikolai Nikolaievich; Sparganium stenophyllum Maxim. ex Meinsh.⁣ ⟨растение B⟩ det. Tzvelev, Nikolai Nikolaievich Collectors: Karo, Ferdinand Kaetanovich Field collecting number: 56. Collection date: 20.07.1904. Administrative regions: CN - Heilongjiang Sheng. Groups of specimens: Образцы сектора Сибири и Дальнего Востока РоссииOriginal label text: Coordinates (geographic position): 50° 14′ 30.54″ N, 127° 32′ 59.52″ E ±1000 mRecord creation: 2026-06-03, Marina Yarichina, PhotoScan D2Citation: Specimen LE 01335252 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01335252