Asplenium adulterinum

SPECIES

1. KingdomPlantae
2. PhylumTracheophyta
3. ClassPolypodiopsida
4. OrderPolypodiales
5. FamilyAspleniaceae

Native toAlaska, Austria, British Columbia, Czechia-Slovakia, Finland, Germany, Italy, Norway, NW. Balkan Pen., Poland, Romania, Sweden

Observations recorded2,937

Roots not proliferous. Stems short-creeping, mainly unbranched; scales black or with narrow pale borders, narrowly lanceolate, 1.5--3 × 0.2--0.4 mm, margins entire. Leaves monomorphic. Petiole dark reddish brown throughout, 1--4 mm; indument of black linear scales at base. Blade linear, 1-pinnate, 2.5--14 × 0.5--1.2 cm, thick (open habitat) to herbaceous (shaded, moist habitat), essentially glabrous; base somewhat tapered; apex obtuse, not rooting. Rachis reddish brown in proximal 1/2--4/5, green distally, lustrous, glabrous. Pinnae in 10--30 pairs, ovate to rhombic to ovate-oblong, 2.5--11 × 2--6 mm; base truncate to shortly acute; margins shallowly crenate (shade forms) to essentially entire (exposed forms); apex obtuse, broadly rounded. Veins free, evident to obscure. Sori 1--3 pairs per pinna on both basiscopic and acroscopic sides. Spores 64 per sporangium. 2 n = 144.

via GBIF · Kew POWO

🔬Museum specimens

Specimen records

685

With media

522

Family

Aspleniaceae

Collections

UT, MICH, US, ANSP, MIN, NCU

Recorded in

Austria, Norway, Germany, United States, Czechia, Sweden, Czech Republic

Wikidata facts

Instance of

taxon

Parent taxon

Asplenium

Image

Slezinik-nepravy-asplenium-adulterinum-milde-l-2.jpg

via Wikidata · CC0