Rock Garden Plants
Micranthes ferruginea (Graham) Brouillet & Gornall sect. Arabisa 
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FamilySAXIFRAGACEAE
Genus speciesMicranthes ferruginea (Graham) Brouillet & Gornall sect. Arabisa
BibliographyJ. Bot. Res. Inst. Texas 1: 1020 (2007)
Native RangeAlaska to w. USA
Primary BiomeTemperate
Habitatshady rocks
Altitude10-2700m
Descriptionbasal leaves shortly petiolate, spathulate to oblanceolate, carnose, irregularly serrate, ciliate, hirsute, flowers 20-30 in lax thyrsus, petals elliptic, 3-5mm long
Size10-40cm
Colorwhite
Bloomsummer
Ca
Typeperennial
Cultivationshady, humous, rock crevices
alpine house, humous, gravelly soil, shade
Propagationseed in winter, barely covered, germ. 1-3 months, 16-21°C
division after flowering; cuttings in late summer
SynonymsHexaphoma ferruginea (Graham) Raf.
Hydatica ferruginea (Graham) Small
Hydatica newcombei (Small) Small
Hydatica vreelandii (Small) Small
Saxifraga bongardii C.Presl ex Engl.
Saxifraga clusii Kunze
Saxifraga ferruginea Graham
Saxifraga ferruginea var. cuneata A.M.Johnson
Saxifraga ferruginea var. diffusa A.M.Johnson
Saxifraga ferruginea var. foliacea A.M.Johnson
Saxifraga ferruginea var. grandiflora A.M.Johnson
Saxifraga ferruginea var. macounii Engl. & Irmsch.
Saxifraga ferruginea var. newcombei (Small) Hultén
Saxifraga ferruginea var. nivea A.M.Johnson
Saxifraga ferruginea var. stellariiformis A.M.Johnson
Saxifraga ferruginea var. typica Engl. & Irmsch.
Saxifraga ferruginea var. vreelandii (Small) Engl. & Irmsch.
Saxifraga ferruginea f. vreelandii (Small) H.St.John
Saxifraga leucanthemifolia var. integrifolia Engl.
Saxifraga newcombei Small
Saxifraga nutkama Howell
Saxifraga vreelandii (Small) Fedde
Spatularia ferruginea (Graham) Smaůů
Spatularia newcombei (Small) Small
Spatularia vreelandii Small
Territory7 Northern America
     70 Subarctic America (ASK Alaska, NWT Northwest Territories)
     71 Western Canada (ABT Alberta, BRC British Columbia)
     73 Northwestern U.S.A. (IDA Idaho, MNT Montana, ORE Oregon, WAS Washington, WYO Wyoming)
     76 Southwestern U.S.A. (CAL California)
Version 10.0
(c) 1990-2025 RNDr. Pavel Slabý