OregonFlora species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Polystichum imbricans

Dryopteridaceae

imbricate sword fern

wood fern family
Habit Plants herbaceous.
Stems

often stout and densely scaly.
Leaves

monomorphic or dimorphic, often forming a crown at the stem apex; indumentum usually scaly, occasionally hairy or glandular;

veins pinnate or forked or anastomosing.
Sori

round; discrete or rarely covering the leaf surface, with a peltate or reniform indusium (rarely absent).
Spores

monolete and gibbous/reniform, surrounded by inflated flanges or wings.
Gametophytes

heart-shaped, green.

Polystichum imbricans

Dryopteridaceae
Distribution
[WildflowerSearch map]
[BONAP county map]
[BONAP county map]
Discussion

[Species with one variety or subspecies in Oregon.]

Cosmopolitan. Approximately 34 genera; 2 genera treated in Flora.
Source Flora of Oregon, volume 1 Flora of Oregon, volume 1, page 73
Sibling taxa
P. andersonii, P. andersonii x Polystichum munitum, P. californicum, P. californicum x Polystichum munitum, P. kruckebergii, P. lemmonii, P. lonchitis, P. munitum, P. scopulinum
Subordinate taxa
P. imbricans ssp. imbricans
Web links 
Unless otherwise noted, all data comes from OregonFlora.



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in OregonFlora yet, or it's listed under a synonym.)

Choose a data source: Flora of North America, OregonFlora, UW Burke Herbarium

The species comparison tool is brought to you by:
Northwest Wildflowers