Polypodium X incognitum

(P. appalachianum x virginianum)

type

IMAGE: 3 fresh
IMAGE: 3 dried

hybrid Polypody

fern

hybrid

size(ft)

1

cut

1

decid.

evergreen

garden

yes

ID tips

When spores ripen in late fall, use a microscope to see spores that are shriveled, of varying shapes and sizes, whitish not amber

Morphologically indistinguishable from either parent (overlaps both)

where On rocks

ME

NH

VT
MA
RI
CT
click
.
.
.
C
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for key

Comment

Sterile (apogamous?) hybrid of Rock and Appalachian Polypodys

The hybrid is not necessarily larger than the parents.

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