Diatoms of North AmericaDiatoms of North America
Return to overview

Guide to Placoneis anglophila

(Lange-Bert.) Lange-Bert. in Metzeltin, Lange-Bert. and García-Rodríguez 2005

Navicula Pseudanglica Guide
Credit: Eilleen Salas, Ian Bishop
  1. Valves elliptic
  2. Apices rostrate to subcapitate
  3. 1-2 striae reduced at center valve
  4. Striae radiate, curved
  5. Central area nearly round

Valves are elliptic, with rostrate to subcapitate apices. Striae are punctate, slightly curved and radiate. Striae near the center area may be shorter than remaining striae. The central area is nearly round.