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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 at or 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 [link]: | Protected by law: schedule VI of legal notice LN311/2006. (strictly protected species) | Red List (1989) : | This species has a threatened status and is listed in the Red Data Book of the Maltese Islands | Flowering Time : | All year | Colour of Flowers: | Inconspicuous |
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| Species Description 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.
(Euro+Med Checklist, 2017) -
Country codes |
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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Use this form to submit more information on this species or report mistakes in this webpage. If information supplied is taken from a book, journal or website, please provide the corresponding reference or website address. Your email address is only for internal communication. Please report only Maltese locations for plants that indicated as rare or very rare (refer to the Nomenclature section). Please do report mistakes, broken links, technical errors, silly typing / grammar errors, misidentifications or taxonomical updates; this will help to improve the website's accuracy. Thanks you! Fill any of the three sections (A/B/C) below and kindly submit the form. * = required fields.
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