Schivereckia doerfleri, (Wettst.) Bornm.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 307

2. S. doerfleri (Wettst.) Bornm. , Feddes Repert. 17: 36 (1921)

( Draba doerfleri Wettst. ).

Laxly caespitose; flowering stems up to 15 cm, simple or branched. Basal leaves more or less rosulate, oblanceolate, entire (or rarely with 1-2 teeth on each side); cauline linear-lanceolate, attenuate at base, obtuse, entire (or rarely with 1 tooth on each side). Racemes up to 15-flowered. Sepals 2-2-25 mm; petals 4-6 x 2-3 mm. Silicula 4-5-5 x 2- 4 mm; style c. 1 mm; stigma shortly 2-lobed.^ Seeds c. 1 mm. Rocky and grassy places. S.W. Jugoslavia (Sar Planino). Ju. (Asia Minor.)

Three taxa described from Russia all resemble 2 very closely; the scarcity of specimens (particularly with ripe seeds) prevents an accurate assessment of their status.

S. mutabilis (Alexeenko) Alexeenko , Trudy Nauc.-Issled. Inst. Biol. (Har'kov) 13: 95 (1950). Like 2 but stems up to 30 cm; basal leaves linear-lanceolate to oblong-spathulate; cauline ovate to oblong-elliptical, subacute; silicula 4-8-5 x 1-75-3-5 mm; style up to 1-5 mm; stigma capitate, entire; seeds 1-1-5 mm, rugulose, not punctate. • S.C. Russia; N.E. Ukraine. Rs (C, E).

S. berteroides Fischer ex Alexeenko , Not. Syst., (Leningrad) 9: 218 (1946). Like 2 but stems up to 25 cm; basal leaves linear- or oblong-lanceolate; cauline oblong-elliptical; silicula 4-6-5 x 2-3-25 mm; style c. 1-25 mm; stigma capitate, emarginate or slightly 2-lobed; seeds c. 1-25 mm, blackish-brown, rugulose.? • S. Ural. Rs (C).

S.kuznezovii Alexeenko, Not. Syst. (Leningrad) 9: 227(1946). Like 2 b ut basal leaves oblong-oblanceolate; cauline elliptical; silicula 3-5-7-5 x 2-2-5 mm; style up to 1 mm; stigma capitate, entire; seeds 1-1-25 mm, smooth and not rugulose, but punctate. Calcareous and sandy places. N.C. Ural. Rs (C).