The search function (upper left corner of each page) on Diatoms of North America allows practitioners to search for strings within a number of data types:

GENERA
SPECIES
CITATIONS
GLOSSARY
CONTRIBUTORS
IMAGES

A search will return elements from each of the data types that have a match. You may further reduce a search by using the following syntax:

searching for… will find elements…
Patrick
Patrick 1961
Patrick OR 1961
Patrick -1961
Humidophila
Humidophila LM
Humidophila SEM
cune*
*mis
what is the new name for "Achnanthes calcar"?
the word "Patrick"
"Patrick" or "1961"
"Patrick" OR "1961" OR both
"Patrick" but not "1961"
"Humidophila"
light micrographs of Humidophila
scanning electron images of Humidiophila
words that start with "cune"
words that end with "mis"
synonyms Planothidium calcar and Gliwiczia calcar

Still want to know more? See the supported syntax for Craft CMS.

Carinoportulae
Image Credit: Marina Potapova
Internal view of Orthoseira