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A CONSPECTUS OF THE LICHEN GENUS STEREOCAULON ...

A CONSPECTUS OF THE LICHEN GENUS STEREOCAULON ...

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I. MACKENZIE LAMB: A Conspectus of Stereocaulon 315<br />

St. hypopetraeum VAIN.<br />

Typus: U.S.S.R., Karelia ladogensis, Lake Ladoga (Laatokka), Kotiluoto Island, leg. E. A.<br />

VAINIO, 1923 (TUR-VAIN, no. 3764, holotypus; annotated "ex orig." by VAINIO).<br />

St. ostrobottniae MAGN.<br />

Typus: Finland, Ostrobottnia media, Karleby, Vittick, on granitic rock of a wall, leg. S. AHLNER,<br />

1938 (UPS-MAGN, holotypus).<br />

St. denudatum FLORKE<br />

Typus: cited from Germany, Harz Mts.: Brocken and Konigsberg; also from Norway (unlocalked);<br />

no holotype designated. As isolectotype material (lectotypif. nov.) we select FLORKE, Deutsch.<br />

Lich. no. 79 (1819), issued in conjunction with the original description. No locality is cited on the label.<br />

Seen in PR and UPS.<br />

Patellaria paschalis [var.] /I. bracteata WALLR.<br />

Listed from several localities in Germany, of which the only one mentioned by name is<br />

"Bructero Hercyn.", referring to the BroAen in the Harz Mts. of central Germany. The type<br />

material seen by us in STR is unlocalized, and VAINIO (1886a) also does not mention any locality<br />

for the type material seen by him in B. Probably a neotype from the same region should be<br />

designated.<br />

St. denudatum [status] a. tenue LAUR. ex FR., [status] b.<br />

validum LAUR. ex FR. and [status] c. digitatum LAUR. ex FR.<br />

No localized type material of these taxa cited. Pre-Linnean illustrations of b. validum and c.<br />

digitatum (DILLENIUS, MORISON) are mentioned, and these might possibly be considered as the types<br />

(STAFLEU et al., Int. Code, 1972, Art. 9).<br />

St. denudatum [f.] b. capitatum FLOT.<br />

Typus: Polish-Czechoslovakian border, Riesengebirge, no exact locality cited. B, holotypus,<br />

destroyed in World War I1 and not seen by us, but studied by FREY (1932, p. 133).<br />

St. denudatum [f.] P. commune TH. FR.<br />

No type locality cited; obviously intended to designate the typical condition of St. denudatum,<br />

and may therefore be considered as based on the same type material.<br />

St. denudatum [var.] a. genuinum TH. FR.<br />

No type locality cited; ff. validum LAUR. and commune TH. FR, cited as synonyms; therefore obviously<br />

intended to designate the typical condition of St. denudatum.<br />

St. nabewariense ZAHLBR.<br />

Typus: Japan, Honshu, prov. Kotsuke (=Gumma Pref.); 2 localities mentioned, Mt. Akagi and<br />

Mt. Nabewari, leg. A. YASUDA. We lectotypify it on the specimen from Mt. Nabewari, leg. YASUDA,<br />

1911 (no. 16) (w, lectotypus, lectotypif. nov.).<br />

St. denudatum [f.] d. compactum FLOT.<br />

Typus: Polish-Czechoslovakian border, Riesengebirge, Schneekoppe (Koppenkegel), leg. NEES<br />

v. ESENBECK and J. FLOTOW, 1836. B, holotypus, destroyed in World War I1 and not seen by us.<br />

FLOTOW'S description is vague, but it probably refers to f. umbonatum (WALLR.), the taxon with which<br />

it is placed by ZAHLBRUCKNER, 192627 (1927), p. 644.

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