Pojark., ?Bot. Zhurn. S.S.S.R. 27: 127. 1942?, 1942.

Pojark., ?Bot. Zhurn. S.S.S.R. 27: 128. 1942?, 1942.

Pojark., ?Bot. Zhurn. S.S.S.R. 27: 126. 1942?, 1942.

Pojark., ?Bot. Zhurn. S.S.S.R. 27: 125. 1942?, 1942.