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MaltaWildPlants.com by Stephen Mifsud |
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Asplenium ceterach (Rusty-back Fern) |
Asplenium ceterach (ASPLENIACEAE.) Images for this profile are taken from the Maltese Islands after year 2000. |
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Nomenclature and Basic Information |
Species name : |
Asplenium ceterachL.
Published in Sp. Pl. 1080 (1753) |
Synonyms :
(basionym or principal syn.) |
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Plant Family : |
Aspleniaceae
Newman (The Spleenwort Family) 4 species from the Aspleniaceae family are recorded from the Maltese Islands. | English name(s) : | Rusty-back Fern, Scale Fern |
Maltese name(s) : |
Felċi tal-Ħitan tas-Sejjieħ |
Status for Malta : |
Indigenous. Present on the Maltese islands before man |
Frequency : |
Very Common Common Frequent Scarce Rare Very rare Extinct |
Growth form : |
Raunkiaer lifeform [info]: Soon to be updated...
Germination [info]: Dicotyledon |
Legal Protection : |
Protected by law: Schedule VI of [S.L. 549.44] (strictly protected species) |
Red List (1989) : |
Threatened status for the Maltese Islands and has been listed in the Red Data Book (1st ed.) |
Flowering Time : |
All year |
Colour of Flowers: |
Inconspicuous |
Name Derivation : |
Asplenium:
ceterach:
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Description, Habitat and Distribution |
Habitat in Europe: |
Dry rocks and walls. |
Preferred habitat in Malta: |
Shaded rubble walls in cool, sheltered sites close to valleys. |
Botanical Description: |
Leaves 3-25 cm, persistent, oblong; petiole short, 1/6-1/4 as long as the lamina, covered with scales; lamina pinnatisect, greyish to dark green above, covered with light brown, overlapping scales beneath; leaf-segments alternate, ovate or oblong, 9-12 on each side, entire or crenate, rounded at the apex. Sori c. 2 mm. Mean exospore-length 35-41 µm. |
Chromosome number: |
2n=72, 144 |
Distributional range: |
W., S. & C. Europe, northwards to Scotland and S.E. Sweden, eastwards to Krym. |
Distributional map in Europe and the Mediterranean region (2018): |
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Occurrences in Europe. (from Flora Europaea pre year 1993): |
Albania, Belgium, the Balaeric Islands, Britain (excl. Northern Ireland and Channel islands), Bulgaria, Corse, Crete, Czeck Republic and Slovakia, France (incl. Monaco and Channel Islands but excluding Corse), Germany, Greece, Ireland, Switzerland, the Netherlands, Spain (incl. Andorra but excl. the Balaerics), Hungary, Italy (excl. Sicily and Sardignia), ex-Jugoslavia, Portugal, Romania, Russia and former USSR, Sardinia, Sicily and/or Malta, Sweden, Turkey (European part), Introduced in  Austria and Liechtenstein, Poland |
Occurrences in Europe and the Mediterranean region. (from Euro+Med Checklist, 2019)
Country codes
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Ab(A N) AE(G) Ag Al Ar Au(A) Be(B L) BH Bl(I M N) Br Bu Ca(C T) Cg Co Cr Cs Ct Cy Eg Ga(C F M) Ge Gg(D) Gr Hb(E N) He Ho Hs(A G S) Hu Ir It Le Li Lu Ma Mk Rf(CS) Rm Sa Si(M S) Sk Sl SM Sn Sr Su Sy Tn Tu(A E) Uk(K) [Au Po] |
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