Haustoria		hi-res links (requires broadband)
Curtis, Lersten, and Nowak 2002 rev. 2019

Cuscuta (dodder) parasitizing Impatiens (jewelweed) stems.

Cuscuta (dodder) parasitizing Impatiens (jewelweed) stem.

Cuscuta (dodder) haustorium penetrating Impatiens (jewelweed) stem.