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Asplenium plenum, Asplenium pumilum, Asplenium resiliens, Asplenium rhizophyllum, Asplenium ruta-muraria, Asplenium scolopendrium, Asplenium septentrionale

LAYOUT:treatment:TUOYAL familyAspleniaceae genusAsplenium speciesAsplenium rhizophyllum Linnaeus Sp. Pl. 2: 1078. 1753. Warren H. Wagner Jr., Robbin C. Moran

John Myers Aspleniaceae Aspleniaceae Aspleniaceae Aspleniaceae Asplenium rhizophyllum Asplenium trichomanes subsp. trichomanes Asplenium ebenoides Asplenium

Charles R. Werth Common names: Biscayne spleenwort Basionym: Asplenium rhizophyllum var. biscayneanum D. C. Eaton Bull. Torrey Bot. Club 14: 97, plate 168

above description applies to the sterile hybrid Asplenium platyneuron × rhizophyllum and its allopolyploid derivative. The allotetraploid form is known only

Illinois Asplenium trichomanes subsp. trichomanes hybridizes with A. rhizophyllum to produce A. × shawneense (R. C. Moran) H. E. Ballard (R. C. Moran 1981)

which were derived from hybrids of A. montanum with A. platyneuron and A. rhizophyllum, respectively. In addition, A. montanum crosses frequently with A. pinnatifidum

several layers in the litter. Asplenium platyneuron hybridizes with A. rhizophyllum, A. trichomanes (producing A. × virginicum Maxon), A. pinnatifidum, A

John Myers Aspleniaceae Aspleniaceae Aspleniaceae Aspleniaceae Asplenium rhizophyllum Asplenium trichomanes subsp. trichomanes Asplenium ebenoides Asplenium

pinnatifidum is an allotetraploid derived from the hybrid A. montanum × rhizophyllum. Although isozyme studies indicate that this species originated at more

from North America, all exceedingly rare. These are the hybrids with A. rhizophyllum (A. × inexpectatum), with A. trichomanes (A. × clermontae Syme), and

in Woodwardia). Vein connections are found throughout the blade in Asplenium rhizophyllum and Onoclea sensibilis. Rarely in North American ferns (but commonly