FLOWERING PLANTS AND FERNS OF ARIZONA 33 



Canyon, Pima County (Oilman 11, Harrison 3531), moist sheltered 

 rocky situations. New Mexico, Arizona, Mexico, and Guatemala. 



4. Asplenium resiliens Kunze, Linnaea 18: 331. 1844. 



Asplenium parvulum Mart, and Gal., Mem. Acad. Roy. Belg. 

 15 5 : 60. 1842. Not Hook., 1840. 



Near Flagstaff (Coconino County), Blue River Canyon (Green- 

 lee County), Chiricahua and Huacbuca Mountains (Cochise County), 

 Kofa Mountains (Yuma County), 2,000 to 7,000 feet, among boulders 

 and in crevices of cliffs. Pennsylvania to Florida, west to Kansas and 

 Arizona ; Mexico to Argentina ; Jamaica ; Hispaniola . 



5. Asplenium trichomanes L., Sp. PI. 1080. 1753. 



Flagstaff (Coconino County), White River (Apache County), 

 Chiricahua Mountains (Cochise County), Rincon and Santa Cata- 

 lina Mountains (Pima County), 7,000 to 8,000 feet, sheltered crevices 

 of cliffs. Nova Scotia to Alaska, south to Georgia, Alabama, Texas, 

 New Mexico, and Arizona; Eurasia. 



6. Asplenium exiguum Bedd., Ferns South. India, pi. llfi. 1863. 



Asplenium glenniei Baker in Hook, and Baker, Syn. Fil., ed. 2, 



488. 1873. 



Conservatory Canyon, Huachuca Mountains, Cochise County 

 (Lemmon in 1882), Sycamore Canyon, near Ruby, Santa Cruz County, 

 about 3,500 feet (Goodding in 1937). In the United States known 

 only from southeastern Arizona; northern Mexico; Asia. The 

 Arizona specimens collected by Lemmon were distributed as " Aspleni- 

 um fontanum, var." and Mexican material was the basis of A. glenniei. 

 American specimens are indistinguishable from the Himalayan A. 

 exiguum, a similar case of sporadic distribution being that of 

 Ceterach dalhousiae. 



7. Asplenium adiantum-nigrum L., Sp. PL 1081. 1753. 



Asplenium andrewsii A. Nels., Biol. Soc. Wash. Proc. 17: 174. 

 1904. 



Mountain slopes near Flagstaff, in rocky crevices (Whitehead 2051). 

 Known otherwise in the United States only from Zion National Park, 

 Utah, and from Boulder Canyon, Colorado, the type locality of A. 

 andrewsii; Eurasia and Africa. 



10. ATHYRIUM 



Large ferns of graceful upright habit; rhizomes stout, paleaceous, 

 the scales membranous, with thin-walled cells; fronds ample, erect- 

 spreading, the blades elongate, 2- to 3-pinnate, thin-herbaceous; sori 

 dorsal, oblique, oblong or crossing the vein and recurved, becoming 

 lunate or hippocrepiform; indusia shaped like the sori, delicate, facing 

 outward. 



1. Athyrium filix-femina (L.) Roth, Roem. Arch. Bot, 2 1 : 106. 1799 



P oly podium filix-jemina L., Sp. PL 1090. 1753. 



A polymorphic Eurasian species, ranging from Newfoundland and 

 Quebec to Alaska, south to New Mexico, Arizona, and California, 

 the typical form being ascribed to the region from British Columbia 

 to Wyoming, Colorado, and Oregon. 



