LT:
"Agr. laxiflora R. Br., Kamtschatka, no. 46, herb. Fischer"
ILT: B, LE-TRIN-1624.15}, US-556250 (fragm. ex LE, photo ex LE & B). ST: LE. LE-TRIN-1624.15 seems to be a duplicate of the type "Trichodium michauxii var. clavatum Trin. ap. Spreng."
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Lectotype designated by:
Tzvelev, N. N. 1976. Zlaki SSSR 339. Nauka Publishers, Leningrad Section, Leningrad.