Classification
Within iNaturalist.org

All Names

  • Scientific Names
    • Polystichum imbricans
  • English
    • Narrowleaf sword fern
    • Imbricate sword fern
    • narrowleaf swordfern
  • German
    • Dachiger Schwertfarn
    • Schmalbl├Ąttriger Schwertfarn

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Recent observations

Photos / Sounds

What

Narrowleaf sword fern Polystichum imbricans

Observer

kevinhintsa

Date

July 5, 2014 11:47 AM PDT

Description

This at Lava Bluffs Trail near 4000 foot level . Here is the underside of a frond .

Photos / Sounds

Observer

c_michael_hogan

Date

June 10, 2014

Description

This fern was growing on a partially shaded cut bank within the context of a mixed oak woodland not far from the main trail. The narrowness of the leaves, especially proximal, are clearer in image 2, which also displays the sporangia.

Photos / Sounds

Observer

c_michael_hogan

Date

May 10, 2014

Description

This fern was seen on a shady bluff, growing among other fern taxa and various rock outcrops. Image two depicts the underside of a frond as the upper part of the image.

Tags

Photos / Sounds

Square

What

Narrowleaf sword fern Polystichum imbricans

Observer

jeanettevong

Date

April 8, 2014

Photos / Sounds

13458447594_ae632c4d16_s

What

Narrowleaf sword fern Polystichum imbricans

Observer

garyg

Date

March 26, 2014

Photos / Sounds

What

Narrowleaf sword fern Polystichum imbricans

Observer

garyg

Date

July 7, 2013 05:33 AM PDT

Description

with sori

Photos / Sounds

What

Polystichum imbricans ssp curtum Polystichum imbricans ssp. curtum

Observer

bretthall

Date

May 7, 2013 10:11 AM PDT

Photos / Sounds

Observer

faerthen

Date

May 19, 2013

Place

(Somewhere...)

Photos / Sounds

What

Narrowleaf sword fern Polystichum imbricans

Observer

garyg

Date

April 28, 2013

Photos / Sounds

528005_3664713809828_1075150652_n

What

Narrowleaf sword fern Polystichum imbricans

Observer

belinda

Date

May 20, 2012

Description

Growing out the side of a large wet rock outcrop. It's P. imbricans because of its small size and because the bracts on the stem of the leaf are small.

View all observations

Description from Wikipedia

Polystichum imbricans is a species of fern known by the common name narrowleaf sword fern. It is native to western North America from British Columbia to southern California, where it grows in rocky habitat in coastal and inland mountain ranges and foothills. This fern produces several erect linear or lance-shaped leaves up to 80 centimeters long. Each leaf is made up of many narrow, overlapping, sometimes twisting leaflets each 2 to 4 centimeters long. The leaflets...

No range data available.