R & C | BOTANY | CULTIVATED DRYOPTERIS FERNS | ABSTRACT

The Cultivated Species of the Fern Genus
Dryopteris in the United States
*

BARBARA JOE HOSHIZAKI
Mildred Mathias Botanical Garden, University of California, Los Angeles
Los Angeles, California 90024

KENNETH A. WILSON
Natural History Museum of Los Angeles County, Los Angeles, California 9000

ABSTRACT.-Fifty species of Dryopteris, belonging to three subgenera and ten sections, are known to be in cultivation of the United States. Descriptions, cultural requirements and keys to the sections and the species are provided as an aid to the identification of these species. An addendum lists recently reported species not included in the main treatment. The species included are:

1) D. sieboldii 26) D. marginalis
2) D.cycadina 27) D. mindshelkensis
3) D. kuratae 28) D. stewartii
4) D. scottii 29)D. sublacera
5) D. affinis 30) D. uniformis
6) D. crassirhizoma 31) D. aemula
7) D. lepidopoda 32) D. amurensis
8) D. polylepis 33) D. campyloptera
9) D. pseudo-filix-mas 34) D. carthusiana
10) D. wallichiana 35) D. dilatata
11) D. celsa 36) D. expansa
12) D. clintoniana 37) D. intermedia
13) D. cristata 38) D. championii
14) D. ludoviciana 39) D. cystolepidota
15) D. tokyoensis 40) D. decipiens
16) D. caucasica 41) D. erythrosora
17) D. filix-mas 42) D. fuscipes
18) D. fragrans 43) D. gymnosora
19) D. goldiana 44) D. hondoensis
20) D. oreades 45) D. purpurella
21) D. sichotensis 46) D. bissetiana
22) D. remota 47) D. formosana
23) D. arguta 48) D. sacrosancta
24) D. juxtaposita 49) D. saxifraga
25) D. lacera 50) D. varia



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