Diario del proyecto Lepidium of North America

Flora of North America (Thanks Ihsan!)
http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=118034

Jepson Flora of California (more thanks to Ihsan!)
https://ucjeps.berkeley.edu/eflora/eflora_keys.php?key=10597

Calflora pictures of Lepidium
https://www.calflora.org/entry/psearch.html?where-genus=lepidium

Jepson Flora CA says it has 4 anthers, Flora North America says it has 4 or 6. Ihsan Al-Shebaz did both treatments. Here is an observation with a definite L. nitidum (flat pedicel) showing 6 anthers, so I guess 4 or 6 is right. https://www.inaturalist.org/observations/39395108