Mean growth of Phlegmariurus squarrosus callus and prothallus in vitro cultures after
3 weeks on media containing 2,4-D (10 mg/L), 2,4-D (5 mg/L) and 2,4-D (5 mg/
L) + NAA (0.5 mg/L), respectively, and HupA content from intact plant and these tissue
cultures*