ClipArt ETC
An illustration of a pinnule of aspidium showing veins and sori.

Pinnule of Aspidium

An illustration of a pinnule of aspidium showing veins and sori.

An illustration of a pinnule of aspenium showing veins and sori.

Pinnule of Asplenium

An illustration of a pinnule of aspenium showing veins and sori.

Schizaea pusilla, or Little Curlygrass Fern is a small species of fern in the Curlygrass family (Schizaeaceae). here showing: "a, pinnule with sporangia; b, a sporangium, on larger scale." -Whitney, 1911

Curlygrass Fern

Schizaea pusilla, or Little Curlygrass Fern is a small species of fern in the Curlygrass family (Schizaeaceae).…

An illustration of a pinnule of polypodium showing veins and sori.

Pinnule of Polypodium

An illustration of a pinnule of polypodium showing veins and sori.

An illustration of a pinnule of pteris showing veins and sori.

Pinnule of Pteris

An illustration of a pinnule of pteris showing veins and sori.