Clavulinopsis helvola

What You Should Know

Clavulinopsis helvola is a bright orange/yellow fungus that appears each year in little tufts in the grass. The actual size of the fungus is about 1 to 2 cm only. The spores are small, round, and covered in warts, unlike any of the other ‘yellow clubs’.

Synonyms

1. Clavaria helvola Pers., 1797

2. Clavaria helveola Pers., 1797

3. Clavaria inaequalis var. helvola (Pers.) Fr., 1828

4. Ramariopsis helvola (Pers.) R.H. Petersen, 1978

5. Donkella helvola (Pers.) Malysheva & Zmitr., 2006

6. Clavaria flammans Berk., 1875

7. Clavaria similis Boud. & Pat., 1888

Other names: Yellow Club.

Clavulinopsis helvola Mushroom Identification

1. Fruit Bodies

   Thick with a height of 3 - 10 cm, a diameter of 0.1 - 0.5 cm, simple, cylindrical, species of adult-club-shaped, sometimes flattened, sometimes late-furrowed, a match with a guest, more with a dull, young upper, dull yellow, dark yellow, orange-yellow, near the base whitish, with a short or slightly curved, upstairs stem.

2. Spores

   Argue 4-9 * 3.5-8 microns, rounded or thorny rounded form, with a warty or spiny surface, without barren or yellow.

3. Spore Print

   White.

4. Flesh

   Brittle, white or yellowish, without a pronounced odor.

5. Similar Species

   The yellow club fungi can be hard to distinguish. Clavulinopsis luteoalba has smooth spores and can be found regularly at certain sites like New Lount where maybe the grass has lower nutrients.

Sources:

Photo 1 - Author: Iv Merlu (Merlu) (Creative Commons Attribution-Share Alike 3.0 Unported)

Photo 2 - Author: Gerhard Koller (Gerhard) (Creative Commons Attribution-Share Alike 3.0 Unported)

Photo 3 - Author: AJC1 from UK (Creative Commons Attribution-Share Alike 2.0 Generic)

Photo 4 - Author: gailhampshire (Creative Commons Attribution 2.0 Generic)