Flora of New Zealand Series

=Stereocaulon ramulosum var. compressum C.Bab. in J.D. Hooker, Fl. Nov. Zel. 2: 294 (1855).

≡Stereocaulon ramulosum ssp. macrocarpum f. compressum (C.Bab.) Hue, Nouv. Archs Mus. Hist. Nat. sér. 3, 2: 245 (1890). nom. illegit.

Holotype: New Zealand. Sine loco, H.L. Travers – PC-HUE.

Stereocaulon ramulosum var. compressum. Lectotype: New Zealand. North I., sine loco, W. Colenso – BM [fide Galloway (1980b: 270)]. Isolectotypes – WELT L000913, L000914 [annotated by Colenso "small, scarce sp: on rocks R. Wakaurekou"].

Description : Flora (1985: 547).

Chemistry : Thallus K+ yellow, C−, KC−, Pd+ red; containing atranorin and fumarprotocetraric acid.

N: Wellington (Rangitikei River, Ruahine Ra.). S: Nelson (Flora Saddle, St Arnaud Ra.), Marlborough (Mt Stokes), Canterbury (Arthur's Pass, Porter's Pass), Otago (Hunter Valley, Routeburn Valley, Trotter's Gorge, Leith Valley), Southland (Grebe Valley). St: (Mt Anglem, Tin Ra., Port Pegasus). On shaded rocks in forested areas, s.l. to 2100 m.

Endemic

Exsiccati : Vězda (1997c: No. 279).

Illustrations : Galloway (1980b: 271, fig. 9).

Stereocaulon fronduliferum is characterised by: the saxicolous habit; the laterally compressed pseudopodetia with flattened, leaf-like phyllocladia that are pale on the lower surface; and a chemistry of atranorin and fumarprotocetraric acid.