Hybrids of North American Asplenium Species

 

Species are listed in the left-hand column by letters, which also appear in the column headings.  The column headed by an asterisk

denotes those species which have hybrid origins, and gives the number of that hybrid.  In the table, hybrids which have given

rise to known species are in bold.

 

Species	Author	*	a.	b.	c.	d.	e	f.	g.	h.	i.	j.	k.	l.
a. Asplenium bradleyi	D.C. Eaton 1873	4			1	2
b. Asplenium ebenoides	R.R. Scott 1865	8
c. Asplenium montanum	Willdenow		1			3	4		5
d. Asplenium pinnatifidum	(Muhlenberg 1813) Nuttall 1818	5	2		3		6						7
e. Asplenium platyneuron	(L. 1753) Oakes 1878				4	6			8				9
f. Asplenium resiliens	Kunze 1844
g. Asplenium rhizophyllum	L. 1753				5		8			10
h. Asplenium ruta-muraria	L. 1753							10					11
i. Asplenium scolopendrium	L. 1753
j. Asplenium septentrionale	(L. 1753) Hoffman												12
k. Asplenium trichomanes	L. 1753					7	9			11		12		13
l. Asplenium trichomanes-ramosum	L. 1753												13

 

List of hybrids (where a species has arisen from a hybrid, the species name is given as the hybrid name):

1. A. Xwherryi D.M. Smith 1961 (A. bradleyi X A. montanum Wherry 1935)
2. A. Xgravesii Maxon 1918 (A. bradleyi X A. pinnatifidum E.W. Graves)
3. A. Xtrudellii Wherry 1925 (A. montanum X A. pinnatifidum)
4. A. Xkentuckyense McCoy 1936 (A. pinnatifidum X A. platyneuron Wagner 1954)
5. A. bradleyi (A. montanum X A. platyneuron)
6. A. pinnatifidum (A. montanum X A. rhizophyllum)
7. A. Xstotleri Wherry 1925 (A. pinnatifidum X A. trichomanes)
8. A. Xebenoides R.R. Scott 1865 (A. platyneuron X A. rhizophyllum Slosson 1902)
9. A. Xinexpectatum (E.L. Braun 1940) Morton 1956 (A. rhizophyllum X A. ruta-muraria E.L. Braun 1939)
10. A. Xvirginicum Maxon 1939 (A. platyneuron X A. trichomanes)
11. A. Xclermontae Syme 1886 (A. ruta-muraria X A. trichomanes)
12. A. Xalternifolium (A. septentrionale X A. trichomanes)
13. A. Xadulterinum (A. trichomanes X A. trichomanes-ramosum)