Tar Spot of Holly
Macroderma curtisii (Berk. & Ravenel) Höhn.
Tar Spot of Holly: https://marylandbiodiversity.com/species/22794
Synonyms
Rhytisma curtisii 
Tags

Map Snapshot

7 Records

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Status

Macroderma curtisii is a microscopic, pathogenic fungus. Observations without microscopic or molecular confirmation are speculative.

Description

Tar Spot of Holly starts as a yellow spot on the leaf in the fall and becomes a dark black bubble (stromata) late in the year. In the spring of the following year the bubble bursts exposing the orangish apothecia within (where the spores are produced)(Luttrell 1940, Bull. Torrey Bot. Club.).

Relationships

Tar Spot of Holly infects American Holly.

Seasonality Snapshot

Resources

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Source: Wikipedia

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