BOTANICAL AND ECOLOGICAL CHARACTERISTICS
SPECIES: Asplenium adiantum-nigrum | Black Spleenwort Fern 



GENERAL BOTANICAL CHARACTERISTICS : 
Black spleenwort fern is perennial, with fronds tufted or few together,
0.33 to 0.99 feet (0.1-0.3 m) long.  Blades are ovate-deltoid to
elongate deltoid, 1.2 to 6 inches (3-15 cm) long and 1.0 to 3.0 inches
(2.5-7.6 cm) wide, and bipinnate or ternate.  The sori are short, but
almost connected in a continous chain on the pinnae.  Black spleenwort
fern has short rhizomes with numerous roots [5,15].


RAUNKIAER LIFE FORM : 
   Hemicryptophyte
   Geophyte


REGENERATION PROCESSES : 
Black spleenwort fern reproduces from spores and short rhizomes [5,15].


SITE CHARACTERISTICS : 
Black spleenwort fern occurs in rocky or mountainous areas [5,6,7,15].
In Utah, it is found on shaded, mesic cliffs of Navajo sandstone [15].
Black spleenwort fern occurs at elevations of 5,775 feet (1,750 m) in
Utah, 5,500 feet (1,650 m) in Colorado, and 7,500 feet (2,250 m) in
Arizona [5,7,15].



SUCCESSIONAL STATUS : 
NO-ENTRY


SEASONAL DEVELOPMENT : 
NO-ENTRY

Related categories for Species: Asplenium adiantum-nigrum | Black Spleenwort Fern