CYSTOPTERIS, bladder fern 
Cystopteris bulbifera (L.) Bernh., bulblet fern, bladder fern [S: 
incl. f. horizontalis (Lawson) Gilbert] (Blasdell, 1963), 
7 
p. 
C. fragilis (L.) Bernh. [S: C. fragilis var. fragilis f. fragilis], see 
excluded taxa 
C. protrusa (Weath.) Blasdell, lowland brittle fern, southern 
fragile fern [S: C. fragilis (L.) Bernh. var. protrusa 
Weath.] (Lellinger, 1981), p. 37 
C. tennesseensis Shaver, Tennessee bladder fern [S: C. fragilis (L.) 
ernh. var. fragilis f. simulans Weath.] (Blasdell, 1963), 
6 
p. 3 
C. tenuis (Michaux) Desv., Mackay’s brittle fern [S: C. fragilis (L.) 
Bernh. var. mackayii Lawson] (Lellinger, 1981; Moran, 
1983), p. 36 
DRYOPTERIS, shield fern, wood fern 
Dryopteris x australis (Wherry) Small [S: D. clintoniana (D. 
ton) Dowell var. australis Wherry], see excluded taxa 
D. carthusiana (Villars) H. P. Fuchs, spinulose wood fern [S: D. 
austriaca (Jacq.) Woynar var. spinulosa (Mueller) Fiori; 
G: D. spinulosa (Mueller) Watt] (Fraser-Jenkins, 1980), 
*D. celsa (W. Palmer) Small, log fern (Key, 1982) 
D. goldiana (Hook.) A. Gray, Goldie’s fern, p. 40 
- Intermedia (Muhlenb. ex Willd.) A. Gray, evergreen wood fern, 
glandular wood fern [S: D. austriaca (Jacq.) Woynar 
os intermedia (Muhlenb. ex Willd.) Morton] (Wagner, 
, p. 40 
D. marginalis (L.) A. Gray, marginal shield fern, p. 40 
MATTEUCCIA, ostrich fern 
Matteuccia struthiopteris (L.) Tod., ostrich fern, p. 27 
var. pensylvanica (Willd.) Morton 
S: Steyermark G: Great Plains Flora M: Mohlenbrock 
Se ee eee ee 
