| WebNameShort | |
| Gomphonema navicelloides Frenguelli 1942 |
Details |
| Gomphonema subclavatum var. tenella (Kützing) Frenguelli 1942 |
Details |
| Hantzschia amphioxys var. inversa Frenguelli 1942 |
Details |
| Hantzschia subandina Frenguelli 1942 |
Details |
| Navicula andium Frenguelli 1942 |
Details |
| Navicula cordillerae Frenguelli 1942 |
Details |
| Navicula grimmii (grimmei) var. producta Frenguelli 1942 |
Details |
| Navicula guatemalensis var. minor Frenguelli 1942 |
Details |
| Navicula guatemalensis var. minor Frenguelli 1942 |
Details |
| Navicula peregrina var. acuta (Mayer) Frenguelli 1942 |
Details |
| Navicula pseudocari var. minor Frenguelli 1942 |
Details |
| Navicula trolopensis Frenguelli 1942 |
Details |
| Neidium affine (affinis) var. dubia (Ehrenberg) Frenguelli 1942 |
Details |
| Neidium iridis var. vernalis (Reichelt ex Hustedt) Frenguelli 1942 |
Details |
| Neidium kozlowi (koslowi, koslowii) var. rostrata Frenguelli 1942 |
Details |
| Nitzschia denticula (denticulata) var. capitata Frenguelli 1942 |
Details |
| Nitzschia sublinearis var. major Frenguelli 1942 |
Details |
| Pinnularia alpina var. kerguelensis (Heiden & Kolbe) Frenguelli 1942 |
Details |
| Pinnularia andina Frenguelli 1942 |
Details |
| Pinnularia aperta var. doellojurandoi (Frenguelli) Frenguelli 1942 |
Details |