| ID illustration | 400052 |
| ID publication | 831 |
| ID volume | 8161 |
| code scanning institute | SI |
| scanning institute | Smithsonian Institute, Washington, D.C., U.S.A. |
| URL volume | https://archive.org/details/floraofussr19bota |
| ID species cited | 510458 |
| species cited | Heterocaryum rigidum A. DC. |
| ID basionym cited | 510458 |
| basionym cited | Heterocaryum rigidum A. DC. |
| ID species recognized | 510458 |
| species recognized | Heterocaryum rigidum A. DC. |
| ID basionym recognized | 510458 |
| basionym recognized | Heterocaryum rigidum A. DC. |
| ID genus cited | 22381 |
| genus cited | Heterocaryum |
| ID genus recognized | 1593 |
| genus recognized | Lappula |
| Heterocaryum rigidum A. DC. [3] | |
| Boraginaceae - | |
| vernacular names |
|
| Lappula Fabr. [54] | |
| V.L. Komarov (Komorov), Fl. URSS, vol. 19 : t. 26, fig. 3 (1934-1964) [110] | |
| epithet recognized species: rigidus,-a,-um [343] | |
| epithet cited species: rigidus,-a,-um [343] | |
| Illustration contributed by: | Smithsonian Institute, Washington, D.C., U.S.A. |
V.L. Komarov (Komorov), Fl. URSS, vol. 19 : t. 26, fig. 3 (1934-1964)